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MCQ Questions for Class 11 Biology Chapter 15 Plant Growth and Development with Answers

Students are advised to practice the NCERT MCQ Questions for Class 11 Biology Chapter 15 Plant Growth and Development with Answers Pdf free download is available here. MCQ Questions for Class 11 Biology with Answers are prepared as per the Latest Exam Pattern. Students can solve these Plant Growth and Development Class 11 MCQs Questions with Answers and assess their preparation level.

Plant Growth and Development Class 11 MCQs Questions with Answers

Solving the Plant Growth and Development Multiple Choice Questions of Class 11 Biology Chapter 15 MCQ can be of extreme help as you will be aware of all the concepts. These MCQ Questions on Plant Growth and Development Class 11 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Have a glance at the MCQ of Chapter 15 Biology Class 11 and cross-check your answers during preparation.

I. Select the correct answer from the following questions:

Question 1.
Three important growth promotor hormones in plants are
(a) Auxins, gibberellins and ethylene
(b) Auxins, gibberellins and cytokinins
(c) Ethylene, abscisic acid and cytokinins
(d) Gibberellins, cytokinins and abscisic acid

Answer

Answer: (b) Auxins, gibberellins and cytokinins

Question 2.
First hormone isolated from human urine suffering from pellagra disease was
(a) Gibberelins
(b) Auxins
(c) Cytokinins
(d) Abscisic acid

Answer

Answer: (b) Auxins

Question 3.
Indole 3 acetic acid (IAA) is a naturally occuring plant hormone called
(a) Gibberellins
(b) Auxins
(c) Cytokinins
(d) Abscisic acid

Answer

Answer: (b) Auxins

Question 4.
Auxins hormone was first discoverd by
(a) Kogletal
(b) Went
(c) Darwin
(d) Boysen Jenson

Answer

Answer: (b) Went

Question 5.
Auxin is synthesised in the apical meristems from amino acid
(a) Isoleucine
(b) Methionine
(c) Niacin
(d) Tryptophan

Answer

Answer: (d) Tryptophan

Question 6.
Growth regulator which is known to promote cell division in vascular cambium is
(a) IAA
(b) ABA
(c) Cytokinins
(d) Ethylene

Answer

Answer: (a) IAA

Question 7.
Growth regultor which is known to induce parthenocarphy is plants is called
(a) Gibberellins
(b) ABA
(c) Ethylene
(d) Cytokinins

Answer

Answer: (a) Gibberellins

Question 8.
The formation of seedless fruits without the act of fertilization is known as
(a) Parthenocarpy
(b) Pseudocarpy
(c) Apomixis
(d) Parthenogenesis

Answer

Answer: (a) Parthenocarpy.

Question 9.
The major sites of gibberellin production in plants are
(a) Embryos
(b) Roots
(c) Young leaves
(d) All of these

Answer

Answer: (d) All of these

Question 10.
Gibberellin was isolated in pure form by
(a) Brian et al
(b) Went
(c) Yabuta
(d) Kurosava

Answer

Answer: (a) Brian et al

Question 11.
Internodal elongation of genetically dwarf plants in known as
(a) Bolting
(b) Elongation
(c) Etiolation
(d) None of these

Answer

Answer: (a) Bolting

Question 12.
Cytokinins are in nature
(a) Acidic
(b) Neutral
(c) Basic
(d) All of these

Answer

Answer: (c) Basic

Question 13.
Cytokinins help in promoting
(a) Cell division
(b) Stem elongation
(c) Cell enlargement
(d) Parthenocarpy

Answer

Answer: (a) Cell division

Question 14.
The first natural cytokinins obtained from unripe maize grains is known as
(a) Indole 3-acetic acid
(b) ABA
(c) Zeatin
(d) Kinetin

Answer

Answer: (c) Zeatin

Question 15.
Two important growth inhibitors in plants are
(a) Ethylene and abscisic acid
(b) Auxins and abscisic acid
(c) Gibberellins and abscisic acid
(d) Cytokinins and ethylene

Answer

Answer: (a) Ethylene and abscisic acid

Question 16.
Name the plant hormone which hastens ripening of fruits and colour development is citrus, apple, mango, banana, etc.
(a) Gibberellin
(b) Ethylene
(c) ABA
(d) IAA

Answer

Answer: (b) Ethylene

Question 17.
Abscisic acid (ABA) was first isolated from cotton balls by
(a) Addicot et al
(b) Letham et al
(c) Brian et al
(d) Kurosava

Answer

Answer: (a) Addicot et al

Question 18.
Seeds which are influenced by light for germination are known as
(a) Neoblastic
(b) Hoioblastic
(c) Photoblastic
(d) All of these

Answer

Answer: (c) Photoblastic

Question 19.
The cold induced stimulus used in vernalization is
(a) Vernalin
(b) Carotene
(c) Ethylene
(d) Florigen

Answer

Answer: (a) Vemalin

Question 20.
When dark period of short day plants is interrupted by a brief exposure to light the plant will-
(a) flower immediately
(b) give more flowers
(c) not flower at all
(d) change into long day plant

Answer

Answer: (c) Not flower at all

Question 21.
W’hich is a long day plant
(a) Xanthium
(b) Wheat
(c) Soyabean
(d) Tobacco

Answer

Answer: (b) Wheat

Question 22.
Which can replace the requirement of vernalisation
(a) Gibberellins
(b) Auxin
(c) Cytokinin
(d) Ethylene

Answer

Answer: (a) Gibberellins

Question 23.
Artificial ripening of fruit of accomplished by treatment with
(a) Zeatin
(b) NaCl
(c) IAA
(d) Ethylene gas

Answer

Answer: (d) Ethylene gas

Question 24.
Which is a short day plant?
(a) Glycine max
(b) Triticum aestivum
(c) Raphanus sativus
(d) Daucus carota

Answer

Answer: (a) Glycine max

Question 25.
The period of growth is generally divided into
(a) Meristematic phase
(b) Elongation phase
(c) Maturation phase
(d) All of these phases

Answer

Answer: (d) All of these phases

II. Fill in the blanks:

Question 1.
…………. is regarded as one of the most fundamental and conspicuous characteristics of a living being.

Answer

Answer: Growth

Question 2.
Plant growth is ……………. because plants retain die capacity for unlimited growth throughout their life.

Answer

Answer: Unique

Question 3.
This form of growth wherein new cells are always being added to the plant body by the activity of the meristem is called the …………….

Answer

Answer: open form of growth

Question 4.
Growth is, therefore, measured by a variety of parameters some o,r which are ……………… dry weight; length; area volume and cell number.

Answer

Answer: increase in fresh weight

Question 5.
The period of growth is generally divided into three phases, namely, ……………, ………….. and …………….

Answer

Answer: meristematic, elongation, maturation

Question 6.
The increased growth per unit time is termed as ……………

Answer

Answer: growth rate

Question 7.
In arithmetic growth, following ………….. cell division, only one ………….. continues to divide while the other differentiates and matures.

Answer

Answer: mitoic, daughter cell

Question 8.
Measurement and comparison of total growth per unit time is called the …………….

Answer

Answer: absolute growth rate

Question 9.
The growth of the given system per unit initial parameter is called the ……………..

Answer

Answer: relative growth rate

Question 10.
………….. helps in releasing metabolic energy essential for growth activities.

Answer

Answer: Oxygen

Question 11.
…………….. is a term that includes all changes that an organism goes through during its life cycle from germination of the seed to senescence.

Answer

Answer: Development

Question 12.
…………., ………. and …………….. are very closely related events in the life of a plant.

Answer

Answer: Growth, differentiation, development

Question 13.
The plant growth regulators are …………., …………….. of diverse chemical composition.

Answer

Answer: small, simple molecules

Question 14.
……………. is used to speed up the malting process in brewing industry.

Answer

Answer: GA₃

Question 15.
…………… is highly effective in fruit ripening.

Answer

Answer: Ethylene

III. Mark the statement True (T) or False (F):

Question 1.
Ethylene also promotes root growth and root hair formation, thus helping the plants to increase their absorption surface.

Answer

Answer: True

Question 2.
Abscisic acid (ABA) was discovered for its, role in regulating abscission and dormancy.

Answer

Answer: True

Question 3.
The former group of plants are long day plants while the later ones are termed short day plants.

Answer

Answer: False

Question 4.
Flowering in certain plants depends not only on a combination of light and dark exposures but also their relative durations. This is termed photoperiodism.

Answer

Answer: True

Question 5.
Biennials are monocarpic plants that normally flower and die in the second season.

Answer

Answer: True

Question 6.
Vernalisation refers specially to the promotion of flowering by a period of low temperatures.

Answer

Answer: True

Question 7.
Environmental signals such as light and gravity also affect certain phases/stages of growth.

Answer

Answer: True

Question 8.
An S-shaped curve is a characteristic of the living organism growing in a natural environment. It is typical for all cells, tissues and organs of a plant.

Answer

Answer: True

Question 9.
In arithmetic growth, following mitoic cell division, only one daughter cell continues to divide while the other differentiates and matures.

Answer

Answer: True

Question 10.
Wherein new cells are always being added to the plant body by the activity of the meristem is called the close form of growth.

Answer

Answer: False

Question 11.
Development is the sum of two processes: growth and differentiation.

Answer

Answer: True

Question 12.
AH plant organs are made up of a variety of tissues.

Answer

Answer: True

Question 13.
The plant cells grow in size by cell enlargement which in turn requires water.

Answer

Answer: True

Question 14.
Cells positioned away from shoot apical meristems differentiate as shoot-cap cells, while those pushed to the periphery mature as epidermis

Answer

Answer: False

Question 15.
PGRs could be indole compounds (indole-3-acetic acid, IAA); adenine derivatives (N6- furfurylamino purine, kinetin), derivatives of carotenoids and fatty acids (abscisic acid, ABA); terpenes (gibberellic acid, GA₃) or gases (ethylene, C₂H₄)

Answer

Answer: True

IV. Match the items of column I with the items of column II

Column I	Column II
(a) Terpenes	1. for example, root apices, developing shoot buds, young fruits etc.
(b) Plant growth promoters e.g.,	2. a phenomenon called apical dominance.
(c) This ability is called plasticity e.g.	3. malting process in brewing industry.
(d) The ‘bakane’, (foolish seedling) a disease or rice seedling was caused by	4. gibberellic acid, GA₃
(e) Skoog and Miller	5. Kinetin
(f) Auxins, like IAA and indole butyric acid (IBA) have been	6. heterophylly in cotton, coriander and darkspur.
(g) In most higher plants, the growing apical bud inhibits the growth of lateral (axillary) buds,	7. auxins, gibberellins and cytokinins.
(h) GA₃ is used to speed up the	8. isolated from plant.
(i) Natural cytokinins	9. a fungal pathogen Gibberalla fujikuroi
(j) ABA stimulates the closure of stomata in the epidermis and in-creases the tolerance of plants to various kinds of stresses.	10. Stress hormone.
(k) Short day plant	11. Vernalisation
(l) Long day plant	12. Those plants which flower when the day length is more than a critical photoperiod.
(m) The chilling treatment given to shoot tips or seeds is called	13. in biennial plants
(n) Example of vernalistion is seen	14. Those plants which flower when the day length is less than a critical photoperiod.
(o) Flowering in certain plants depends not only on a combination of light and dark exposures	15. but also their relative durations. This is termed photoperiodism.

Answer

Answer:

Column I	Column II
(a) Terpenes	4. gibberellic acid, GA₃
(b) Plant growth promoters e.g.,	7. auxins, gibberellins and cytokinins.
(c) This ability is called plasticity e.g.	6. heterophylly in cotton, coriander and darkspur.
(d) The ‘bakane’, (foolish seedling) a disease or rice seedling was caused by	9. a fungal pathogen Gibberalla fujikuroi
(e) Skoog and Miller	5. Kinetin
(f) Auxins, like IAA and indole butyric acid (IBA) have been	8. isolated from plant.
(g) In most higher plants, the growing apical bud inhibits the growth of lateral (axillary) buds,	2. a phenomenon called apical dominance.
(h) GA₃ is used to speed up the	3. malting process in brewing industry.
(i) Natural cytokinins	1. for example, root apices, developing shoot buds, young fruits etc.
(j) ABA stimulates the closure of stomata in the epidermis and in-creases the tolerance of plants to various kinds of stresses.	10. Stress hormone.
(k) Short day plant	14. Those plants which flower when the day length is less than a critical photoperiod.
(l) Long day plant	12. Those plants which flower when the day length is more than a critical photoperiod.
(m) The chilling treatment given to shoot tips or seeds is called	11. Vernalisation
(n) Example of vernalistion is seen	13. in biennial plants
(o) Flowering in certain plants depends not only on a combination of light and dark exposures	15. but also their relative durations. This is termed photoperiodism.

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समास MCQ Questions with Answers Class 7 Hindi

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Students who are searching for NCERT MCQ Questions for Class 7 Hindi Grammar समास with Answers Pdf free download can refer to this page thoroughly. Because here we have compiled a list of MCQ Questions for Class 7 Hindi with Answers. So, Plan your Exam Preparation accordingly with the समास Class 7 MCQs Questions with Answers PDF. Also, you can practice and test your subject knowledge by solving these समास objective questions.

MCQ Questions for Class 7 Hindi Grammar समास with Answers

निर्देश : ‘मोटे छपे’ शब्दों में समास बताइए

Question 1.
‘घुड़सवार’ घोड़े से गिर गया
(a) कर्मधारय
(b) अव्ययी भाव
(c) द्विगु
(d) तत्पुरुष

Answer

Answer: (d) तत्पुरुष

Question 2.
पहले ‘लम्बोदर’ की पूजा की जाती है
(a) बहुव्रीहि
(b) कर्मधारय
(c) तत्पुरुष
(d) द्विगु

Answer

Answer: (a) बहुव्रीहि

Question 3.
ईश्वर भक्ति से ‘परमानंद’ की प्राप्ति होती है
(a) अव्ययी भाव
(b) द्वंद्व
(c) कर्मधारय
(d) बहुव्रीहि

Answer

Answer: (c) कर्मधारय

Question 4.
‘यथा रूचि’ भोजन किया करो
(a) कर्मधारय
(b) अव्ययी भाव
(c) बहुव्रीहि
(d) द्वंद्व

Answer

Answer: (b) अव्ययी भाव

Question 5.
‘आज’ अठन्नी’ में कुछ नहीं मिलता
(a) अव्ययी भाव
(b) कर्मधारय
(c) तत्पुरुष
(d) द्विगु

Answer

Answer: (d) द्विगु

Question 6.
‘आधा पका’ भोजन खाने से पेट खराब हो गया
(a) अव्ययी भाव
(b) तत्पुरुष
(c) द्वंद्व
(d) बहुव्रीहि

Answer

Answer: (a) अव्ययी भाव

Question 7.
तिलोलिया गांव में ‘काठ की पुतलियों के खेल द्वारा शिक्षा दी जाती है
(a) अव्ययी भाव
(b) कर्मधारय
(c) तत्पुरुष
(d) द्विगु

Answer

Answer: (c) तत्पुरुष

Question 8.
श्यामा ‘ध्यान से मग्न’ होकर पढ़ रही है
(a) बहुव्रीहि
(b) तत्पुरुष
(c) द्विगु
(d) अव्ययी भाव

Answer

Answer: (b) तत्पुरुष

Question 9.
हमें ‘देश सेवा’ के लिए तैयार रहना चाहिए
(a) कर्मधारय
(b) द्वंद्व
(c) अव्ययी भाव
(d) तत्पुरुष

Answer

Answer: (d) तत्पुरुष

Question 10.
‘मृगनयनी’ एक ऐतिहासिक उपन्यास है
(a) तत्पुरुष
(b) बहुव्रीहि
(c) कर्मधारय
(d) द्वंद्व

Answer

Answer: (b) बहुव्रीहि

Question 11.
‘यथाशक्ति’ दूसरों की सहायता करो
(a) बहुव्रीहि
(b) कर्मधारय
(c) अव्ययी
(d) द्विगु

Answer

Answer: (c) अव्ययी

Question 12.
श्रीकृष्ण ने ‘पिताम्बर’ धारण किया है
(a) कर्मधारय
(b) बहुव्रीहि
(c) द्वंद्व
(d) तत्पुरुष

Answer

Answer: (a) कर्मधारय

Question 13.
“पिताम्बर’ भगवान सर्वत्र हैं
(a) कर्मधारय
(b) बहुव्रीहि
(c) तत्पुरुष
(d) अव्ययी भाव

Answer

Answer: (c) तत्पुरुष

Question 14.
राम ने ‘दशानन’ का वध किया
(a) द्विगु
(b) अव्ययी भाव
(c) कर्मधारय
(d) बहुव्रीहि

Answer

Answer: (d) बहुव्रीहि

Question 15.
अब ‘नील कमल’ कहीं नहीं मिलते
(a) कर्मधारय
(b) बहुव्रीहि
(c) द्वंद्व
(d) द्विगु

Answer

Answer: (a) कर्मधारय

Question 16.
‘चरण कमल’ बंदी हरिराई
(a) तत्पुरुष
(b) बहुव्रीहि
(c) कर्मधारय
(d) द्वंद्व

Answer

Answer: (c) कर्मधारय

Question 17.
हमारे ‘राष्ट्रपति’ डॉ. अब्दुल कलाम जी हैं
(a) द्विगु
(b) तत्पुरुष
(c) अव्ययी भाव
(d) बहुव्रीहि

Answer

Answer: (b) तत्पुरुष

Question 18.
मैं ‘प्रतिदिन’ व्यायाम करता हूँ
(a) अव्ययी भाव
(b) द्विगु
(c) तत्पुरुष
(d) बहुव्रीहि

Answer

Answer: (a) अव्ययी भाव

Question 19.
मैंने ‘रात-दिन’ परिश्रम करके प्रथम श्रेणी प्राप्त की है
(a) अव्ययी भाव
(b) वंद्व
(c) तत्पुरुष
(d) द्विगु

Answer

Answer: (b) वंद्व

Question 20.
लोग ‘नवग्रह’ की पूजा करते हैं
(a) द्विगु
(b) द्वंद्व
(c) बहुव्रीहि
(d) तत्पुरुष

Answer

Answer: (a) द्विगु

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संज्ञा, कारक, सर्वनाम, विशेषण एवं क्रिया MCQ Questions with Answers Class 7 Hindi

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Students who are searching for NCERT MCQ Questions for Class 7 Hindi Grammar संज्ञा, कारक, सर्वनाम, विशेषण एवं क्रिया with Answers Pdf free download can refer to this page thoroughly. Because here we have compiled a list of MCQ Questions for Class 7 Hindi with Answers. So, Plan your Exam Preparation accordingly with the संज्ञा, कारक, सर्वनाम, विशेषण एवं क्रिया Class 7 MCQs Questions with Answers PDF. Also, you can practice and test your subject knowledge by solving these संज्ञा, कारक, सर्वनाम, विशेषण एवं क्रिया objective questions.

MCQ Questions for Class 7 Hindi Grammar संज्ञा, कारक, सर्वनाम, विशेषण एवं क्रिया with Answers

Question 1.
निर्देशानुसार परिवर्तन कीजिए
श्रीमान्….बड़ी दूर से आया हूँ। (रिक्त स्थान की पूर्ति कीजिए)
(a) तुम
(b) मैं
(c) हम
(d) वह

Answer

Answer: (b) मैं

Question 2.
देखो कौन आया है ? (रेखांकित सर्वनाम का प्रकार बताइए)
(a) प्रश्नवाचक
(b) पुरुषवाचक
(c) निश्चयवाचक
(d) संबंधवाचक

Answer

Answer: (a) प्रश्नवाचक

Question 3.
मोहन का कुछ खो गया। (रेखांकित सर्वनाम का प्रकार बताइए)
(a) निश्चियवाचक
(b) अनिश्चयवाचक
(c) प्रश्नवाचक
(d) संबंधवाचक

Answer

Answer: (b) अनिश्चयवाचक

Question 4.
गुणवाचक विशेषण छाँटिए
(a) काला व्यक्ति
(b) दस रुपये
(c) दो मन अनाज
(d) वह पुस्तक

Answer

Answer: (a) काला व्यक्ति

Question 5.
संकेतवाचक विशेषण छाँटिए
(a) वह मकान
(b) दस मन गेहूं
(c) बीस लड़के
(d) पंजाबी

Answer

Answer: (a) वह मकान

Question 6.
परिमाणवाचक विशेषण छाँटिए
(a) दस लीटर दूध
(b) बीस गाय
(c) लखनवी
(d) यह घर

Answer

Answer: (a) दस लीटर दूध

Question 7.
क्रियाओं के भेद बताइए ‘सीता पुस्तक पढ़ती है’
(a) सकर्मक
(b) अकर्मक
(c) द्विकर्मक
(d) प्रेरणार्थक

Answer

Answer: (a) सकर्मक

Question 8.
ग्वाला गाय का दूध दूहता है
(a) प्रेरणार्थक
(b) अकर्मक
(c) सकर्मक
(d) द्विकर्मक

Answer

Answer: (d) द्विकर्मक

Question 9.
पतंग उड़ रही है
(a) सकर्मक
(b) अकर्मक
(c) द्विकर्मक
(d) प्रेरणार्थक

Answer

Answer: (b) अकर्मक

Question 10.
मालिक माली से पौधों में पानी दिलवाता है
(a) सफलता
(b) द्विकर्मक
(c) सकर्मक
(d) प्रेरणार्थक

Answer

Answer: (d) प्रेरणार्थक

Question 11.
राम दूध पीकर सो गया
(a) संयुक्त क्रिया
(b) पूर्वकालिक क्रिया
(c) प्रेरणार्थक क्रिया
(d) द्विकर्मक क्रिया

Answer

Answer: (b) पूर्वकालिक क्रिया

Question 12.
कौन-सा शब्द भाव वाचक संज्ञा नहीं है
(a) सफलता
(b) लड़ाई
(c) युवती
(d) यौवन

Answer

Answer: (c) युवती

Question 13.
कौन-सा शब्द जाति वाचक संज्ञा नहीं है
(a) कुर्सी
(b) ताजमहल
(c) मंदिर
(d) लड़का

Answer

Answer: (b) ताजमहल

Question 14.
कौन-सा शब्द व्यक्ति वाचक संज्ञा नहीं है
(a) मोहन
(b) आगरा
(c) नदी
(d) गंगा

Answer

Answer: (c) नदी

Question 15.
भाव वाचक संज्ञा छाँटिए
(a) वार्धक्य
(b) कुसुम
(c) सरस्वती
(d) हिमालय

Answer

Answer: (a) वार्धक्य

Question 16.
जातिवाचक संज्ञा छाँटिए
(a) दिल्ली
(b) विंध्याचल
(c) पर्वत
(d) सुंदरता

Answer

Answer: (c) पर्वत

Question 17.
रेखांकित में कारक बताइए ‘पेड़ से पत्ते गिरते हैं
(a) करण कारक
(b) अपादान कारक
(c) संबंध कारक
(d) कर्म कारक

Answer

Answer: (b) अपादान कारक

Question 18.
भिखारी को भीख दे दो
(a) कर्म कारक
(b) करण कारक
(c) अपादान कारक
(d) सम्प्रदान कारक

Answer

Answer: (d) सम्प्रदान कारक

Question 19.
बच्चा कुत्ते से डरता है
(a) करण कारक
(b) कर्म कारक
(c) अपादान कारक
(d) कर्ता कारक

Answer

Answer: (c) अपादान कारक

Question 20.
तुम्हारे घर सोना बरसेगा
(a) कर्ता कारक
(b) अधिकरण कारक
(c) संबंध कारक
(d) कर्म कारक

Answer

Answer: (b) अधिकरण कारक

Question 21.
मोहन की पुस्तक मेरे पास है
(a) संबंध कारक
(b) अधिकरण कारक
(c) अपादान कारक
(d) कर्म कारक

Answer

Answer: (a) संबंध कारक

We think the shed NCERT MCQ Questions for Class 7 Hindi Grammar संज्ञा, कारक, सर्वनाम, विशेषण एवं क्रिया with Answers Pdf free download will benefit you to the fullest. For any queries regarding CBSE Class 7 Hindi संज्ञा, कारक, सर्वनाम, विशेषण एवं क्रिया MCQs Multiple Choice Questions with Answers, share with us via the below comment box and we’ll reply back to you at the earliest possible.

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मुहावरे एवं लोकोक्तियाँ MCQ Questions with Answers Class 7 Hindi

MCQ Questions / Raju

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MCQ Questions for Class 7 Hindi Grammar मुहावरे एवं लोकोक्तियाँ with Answers

निर्देश : उपयुक्त मुहावरों से वाक्य की पूर्ति कीजिए

Question 1.
आस्तीन का साँप
(a) भयंकर व्यक्ति
(b) जहरीला व्यक्ति
(c) कपटी मित्र
(d) डंक मारने वाला

Answer

Answer: (c) कपटी मित्र

Question 2.
आँख में धूल झोंकना
(a) कमजोर करना
(b) धोखा देना
(c) झूठ बोलना
(d) नौ दो ग्यारह होना

Answer

Answer: (b) धोखा देना

Question 3.
ईद का चाँद होना
(a) एक महीने में मिलना
(b) बहत प्यारा व्यक्ति
(c) दुर्लभ होना
(d) रोशनी होना

Answer

Answer: (c) दुर्लभ होना

Question 4.
गड़े मुर्दे उखाड़ना
(a) कब्र खोदना
(b) इतिहास का अध्ययन करना
(c) पुरानी चीजें लाना
(d) पुरानी बातों को दुहराना

Answer

Answer: (d) पुरानी बातों को दुहराना

Question 5.
छाती पर मूंग दलना
(a) असम्भव कार्य करना
(b) दुःख देना
(c) कठिन कार्य करना
(d) मूंग की दाल खाना निम्न लोकोक्तियों के उचित अर्थ का चयन कीजिए

Answer

Answer: (b) दुःख देना

Question 6.
थोथा चना बाजे धना
(a) खाली व्यक्ति बातें अधिक करता है
(b) थोथे चने में अधिक आवाज आती है
(c) गुणहीन व्यक्ति अधिक दिखावा करता है
(d) मूर्ख व्यक्ति वाचाल होता है

Answer

Answer: (c) गुणहीन व्यक्ति अधिक दिखावा करता है

Question 7.
जाके पाँव म फटी विवाई वो क्या जाने पीर पराई
(a) बिना दुख भोगे दूसरे के दुख का अनुभव नहीं होता
(b) दूसरों का दुख समझने के लिए पैर में बिवाई फटना आवश्यक है
(c) बिवाई फटने पर ही दूसरे की पीड़ा का पता चलता
(d) दूसरों का मजाक नहीं उड़ाना चाहिए

Answer

Answer: (a) बिना दुख भोगे दूसरे के दुख का अनुभव नहीं होता

Question 8.
काला अक्षर भैंस बराबर
(a) स्याही का रंग काला होता है
(b) अक्षर भैंस की तरह काले रंग का होता है
(c) अनपढ़ व्यक्ति
(d) भैस काला अक्षर नहीं देख सकती

Answer

Answer: (c) अनपढ़ व्यक्ति

Question 9.
उल्टा चोर कोतवाल को डाँटे
(a) चोरी सीना जोरी
(b) दोषी का निर्दोष को दोष देना
(c) बेशर्म चोर
(d) जबरदस्ती चोरी करने वाला

Answer

Answer: (b) दोषी का निर्दोष को दोष देना

Question 10.
एक पंथ दो काज
(a) एक साथ दो कार्यों का सिद्ध होना
(b) चतुर लोग एक ही जगह दो काज करते हैं
(c) बुद्धिमानों का ही युग है
(d) अधिक भाग्यशाली

Answer

Answer: (a) एक साथ दो कार्यों का सिद्ध होना

Question 11.
भारतीय सैनिक प्राण रहते भारत देंगे।
(a) कष्ट नहीं होने देंगे
(b) किसी को पीड़ित नहीं होने देंगे
(c) आँच नहीं आने देंगे
(d) परास्त नहीं होने देंगे

Answer

Answer: (c) आँच नहीं आने देंगे

Question 12.
मैंने उसे शरीफ समझा था वह तो
(a) आस्तीन का साँप निकला
(b) गददार निकला
(c) कमीना निकला
(d) धोखेबाज निकला

Answer

Answer: (a) आस्तीन का साँप निकला

Question 13.
पुलिस को देखते ही चोर
(a) आठ तीन ग्यारह हो गए
(b) नौ-दो ग्यारह हो गए
(c) भाग खड़े हुए
(d) डर गए

Answer

Answer: (b) नौ-दो ग्यारह हो गए

Question 14.
पुस्तक ढूँढ़ने के लिए मैंने
(a) सारी अलमारी छान मारी
(b) वहुत परिश्रम किया
(c) घर का कोना-कोना छान मारा
(d) आकाश-पाताल एक कर दिया

Answer

Answer: (d) आकाश-पाताल एक कर दिया

Question 15.
चोर पुलिस की कामयाब रहा
(a) गिरफ्त से भागने में
(b) आँखों में धूल झोंकने में
(c) पुलिस की मार सहने में
(d) चौकी में चोरी करने में

Answer

Answer: (b) आँखों में धूल झोंकने में

Question 16.
‘हाथ कांगन को आरसी क्या’ का अर्थ है
(a) प्रत्यक्ष को प्रमाण की आवश्यकता नहीं
(b) जव हाथ में कंगन हो तो उसे देखने के लिए आरसी की आवश्यकता नहीं पड़ती
(c) हाथ में कंगन होने पर अपना पक्ष मजबूत रहता है
(d) हाथ में कंगन होने पर किसी और गहने की आवश्यकता नहीं होती

Answer

Answer: (a) प्रत्यक्ष को प्रमाण की आवश्यकता नहीं

Question 17.
‘नाच न जाने आँगन टेढ़ा’ का क्या अर्थ है ?
(a) जिनसे नाचना नहीं आता उन्हें आँगन टेढ़ा लगता है
(b) काम न करने का बहाना तलाशना
(c) नाचना सीखने के लिए आँगन टेढ़ा करना पड़ता है
(d) आँगन टेढ़ा हो तो नाचना मुश्किल हो जाता है मुहावरे के उपयुक्त अर्थ का चयन कीजिए

Answer

Answer: (b) काम न करने का बहाना तलाशना

Question 18.
अंग-अंग ढीला होना
(a) गहरी चोट लगना
(b) बीमार हो जाना
(c) कोई काम न करना
(d) शिथिल पड़ना

Answer

Answer: (d) शिथिल पड़ना

Question 19.
अँगूठा दिखाना
(a) इन्कार करना
(b) मजाक बनाना
(c) लेकर कुछ वापिस न करना
(d) शर्मिंदा करना

Answer

Answer: (a) इन्कार करना

Question 20.
अपना उल्लू सीधा करना
(a) स्वार्थी व्यक्ति
(b) काम निकालना
(c) मूर्ख बनाना
(d) बेईमान हो जाना

Answer

Answer: (b) काम निकालना

We think the shed NCERT MCQ Questions for Class 7 Hindi Grammar मुहावरे एवं लोकोक्तियाँ with Answers Pdf free download will benefit you to the fullest. For any queries regarding CBSE Class 7 Hindi मुहावरे एवं लोकोक्तियाँ MCQs Multiple Choice Questions with Answers, share with us via the below comment box and we’ll reply back to you at the earliest possible.

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MCQ Questions for Class 7 Science Chapter 13 Motion and Time

MCQ Questions / Prasanna

Students are advised to practice the NCERT MCQ Questions for Class 7 Science Chapter 13 Motion and Time with Answers Pdf free download is available here. MCQ Questions for Class 7 Science with Answers are prepared as per the Latest Exam Pattern. Students can solve these Motion and Time Class 7 MCQs Questions with Answers and assess their preparation level.

Motion and Time Class 7 MCQs Questions with Answers

Solving the Motion and Time Multiple Choice Questions of Class 7 Science Chapter 13 MCQ can be of extreme help as you will be aware of all the concepts. These MCQ Questions on Motion and Time Class 7 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Have a glance at the MCQ of Chapter 13 Science Class 7 and cross-check your answers during preparation.

Question 1.
The speed of a car is 40 km/h. What is time taken to reach from one city to another city if the distance between the two cities is 480 km:
(a) 10 hours
(b) 11 hours
(c) 14 hours
(d) 12 hours

Answer

(d) 12 hours
The time is taken by a car is 12 hours.

Question 2.
72 km/h m/s:
(a) 72 m/s
(b) 20 m/s
(c) 36 m/s
(d) 12 m/s

Answer

(b) 20 m/s
72 km/h – 20m/s

Question 3.
The standard unit of time is:
(a) hour
(b) minute
(c) second
(d) all of these

Answer

Question 4.
The clock used now a days are:
(a) quartz
(b) minute
(c) second
(d) all of these

Answer

(a) quartz
The quartz clock is used now-a-days.

Question 5.
When weight of bob in a pendulum is increased then the oscillation period of a pendulum is:
(a) increased
(b) decreased
(c) no change
(d) can’t say

Answer

(b) decreased
When weight of bob in pendulum is increased, the oscillation period of pendulum is decreased.

Question 6.
The standard unit of length is:
(a) metre (‘m’)
(b) kilometre
(c) m/s
(d) km/h

Answer

(a) metre (‘m’)
The standard unit of length is meter (‘m’).

Question 7.
The standard unit of mass is:
(a) ‘kg’
(b) mg
(c) g
(d) none of these

Answer

(a) ‘kg’
(‘Kg’) is the unit of mass.

Question 8.
The standard unit of temperature is:
(a) ‘Kg’
(b) F
(c) °C
(d) can’t say

Answer

(a) ‘Kg’
(‘K’) is the unit of temperature.

Question 9.
Distance:
(a) D = S x T
(b) D = \(\frac { T }{ s }\)
(c) D = \(\frac { s }{ T }\)
(d) D = \(\frac { 1 }{ T\times S }\)

Answer

(a) D = S x T
D = S x T

Question 10.
Time:
(a) t = d x s
(b) t = \(\frac { s }{ d }\)
(c) t = \(\frac { d}{ s }\)
(d) t = \(\frac { 1 }{ s\times d }\)

Answer

Question 11.
The distance moved by the object in a unit time is:
(a) time
(b) distance
(c) speed
(d) can’t say

Answer

Question 12.
The pictorial representation of two variables inter dependent of one another is known as:
(a) motion
(b) graph
(c) speed
(d) time

Answer

(b) graph
Graph is pictorial representation of two objects.

Question 13.
If an object covers equal distance in equal intervals of time, then the object is said to have:
(a) non-uniform motion
(b) uniform motion
(c) oscillation
(d) none of these

Answer

(b) uniform motion
A staight line covers equal distance in equal intervals of time is uniform motion.

Question 14.
A device used to measure the speed of vehicles is:
(a) odometer
(b) graph
(c) speedometer
(d) none of these

Answer

Question 15.
The to and fro motion of the particle about its mean position is called:
(a) intervals
(b) vibration
(c) pendulum
(d) can’t say

Answer

(b) vibration
To and fro motion is vibration.

Question 16.
The most common example of periodic motion or oscillatory motion is:
(a) interval
(b) pendulum
(c) simple pendulum
(d) speedometer

Answer

Question 17.
The time interval between one sunrise and next sunrise is called a:
(a) year
(b) month
(c) day
(d) week

Answer

Question 18.
Which of the following motion is circular motion:
(a) motion of a child over see saw
(b) motion of a car running on a straight road
(c) motion of an electric bell hammer
(d) motion of a child in a merry go round

Answer

(d) motion of a child in a merry go round
A child in a merry-go-round is circular motion.

Question 19.
A simple pendulum takes 32 S complete 20 oscillations. What is the time period of pendulum:
(a) 640
(b) 0.625
(c) 1.60
(d) none of these

Answer

(b) 0.625
The time period of pendulum is 0.625.

Question 20.
Distance between two cities is measured in:
(a) metres
(b) kilometres
(c) second
(d) kilogram

Answer

(b) kilometres
Distance between two cities is measrued by kilometers.

Question 21.
Motion of a train on a straight
(a) oscillatory motion
(b) circular motion
(c) uniform motion
(d) straight line motion

Answer

(d) straight line motion
A train on a straight bridge is straight line motion.

Question 22.
A device used to measure the distance moved by a vehicle:
(a) odometer
(b) speedometer
(c) both
(d) none of these

Answer

(a) odometer
An odometer measured the distance moved by a vehicle.

Question 23.
The time taken by the earth to make one revolution around the sun is called a:
(a) day
(b) week
(c) month
(d) year

Answer

(d) year
The earth make one revolution around the sun in a year.

Question 24.
The motion of a vibrating particle from one extreme position to another extreme position about its mean position is:
(a) speed
(b) circulation
(c) oscillation
(d) none of these

Answer

Question 25.
The time taken by a vibrating body to complete one vibration is:
(a) speed
(b) time of period
(c) distance
(d) all of these

Answer

(b) time of period
The time taken by a vibrating body to complete one vibration is time period.

Question 26.
A horse pulling a cart has:
(a) oscillatory motion
(b) circular motion
(c) linear motion
(d) none of these

Answer

(a) oscillatory motion
A horse pulling a cart has oscillatory motions.

Question 27.
If the speed of a body moving in a straight line changes then the speed of the body is:
(a) uniform
(b) non-uniform
(c) some times uniform and non-uniform
(d) none of these

Answer

(b) non-uniform
If the speed of a body moving in a straight line changes then the speed of the body is non-uniform.

Question 28.
An earth completes one revolution around the sun in:
(a) 1 day
(b) 1 year
(c) 1 hour
(d) none of these

Answer

(b) 1 year
An earth complete one revolution around the sun in a year.

Question 29.
A simple pendulum is an example of:
(a) periodic motion
(b) circular motion
(c) linear motion
(d) none of these

Answer

(a) periodic motion
Periodic motion is an example of a simple pendulum.

Question 30.
An odometer is used to measure:
(a) speed
(b) distance
(c) motion
(d) none of these

Answer

(b) distance
Distance is measured by an odometer.

Question 31.
The hammer of an electric bell has motion:
(a) circular motion
(b) vibratory motion
(c) linear motion
(d) periodic motion

Answer

(b) vibratory motion
The hammer of an electric bell has vibratory motion.

Question 32.
The unit of speed of train is:
(a) meter per hour
(b) meter per second
(c) kilometer per hour
(d) mile per second

Answer

Question 33.
The times taken by a pendulum to complete one oscillation is:
(a) oscillation period
(b) 1 second
(c) time period
(d) frequency

Answer

Question 34.
The correct relation for speed is:

Answer

Question 35.
The speed of a train is 60 km/h. The distance covered by the train is 4 hours would be:
(a) 15 km
(b) 240 km
(c) \(\frac { 1 }{ 15 }\) km
(d) none of these

Answer

(b) 240 km
The distance covered by a train would be 240 km.

Question 36.
Classify the following as motions is oscillatory motion:
(a) motion of your hands while runnning
(b) motion of a horse pulling a cart on a straight road
(c) motion of a child in a merry go round
(d) motion of a train on a straight line

Answer

(a) motion of your hands while runnning
Motion your hands while running is oscillatory motion.

Question 37.
Which of the following is correct statements:
(a) the basic unit of time is second
(b) every object moves with a constant speed
(c) distance between two cities is measured in metres
(d) the time period of a given pendulum is not constant

Answer

(a) the basic unit of time is second
The basic unit of time is second.

Question 38.
The graph between distance, time for a body at rest is a:
(a) straight line parallel to a distance axis
(b) straight line parallel to time axis
(c) curve line
(d) straight line

Answer

(b) straight line parallel to time axis
Straight line parallel to time axis.

Question 39.
A car covers a distance of 220 km in 4 hours what is its speed:
(a) 50 km/h
(b) 55 km/h
(c) 224 km/h
(d) 880 km/h

Answer

(b) 55 km/h
The speed of a car is 55 km/h.

Question 40.
The graph between distance and time for a non uniform motion is a:
(a) curve line
(b) can’t say
(c) straight line
(d) none of these

Answer

(a) curve line
The graph between distance and time is curve line for non¬uniform motion.

Question 41.
A car covers 40 km in first hour, 115 km in next two hours and 45 km in next one hours. Find out its averages speed:
(a) 100 km/h
(b) 66.6 km/h
(c) 50 km/h
(d) none of these

Answer

Question 42.
The S.I. unit of speed is:
(a) m/s
(b) km/min
(c) km/h
(d) km/s

Answer

(a) m/s
The S.I. unit of speed is m/s.

Match the column A with column B:

Question 1.

Column-A	Column-B
(a) Merry go round	(i) straight line
(b) Over see-saw	(ii) circular motion
(c) Your hands while running	(iii) linear motion
(d) Train on a straight line	(iv) oscillatory motion
(e) Horse pulling a cart	(v) oscillatory motion

Answer

Column-A	Column-B
(a) Merry go round	(ii) circular motion
(b) Over see-saw	(iv) oscillatory motion
(c) Your hands while running	(v) oscillatory motion
(d) Train on a straight line	(i) straight line
(e) Horse pulling a cart	(iii) linear motion

Question 2.

Column-A	Column-B
(a) 365 days	(i) 1 millennium = 1000 years
(b) 10 years	(ii) 1 century = 100 years
(c) 10 decades	(iii) 1 decade
(d) 10 centuries	(iv) 1 year

Answer

Column-A	Column-B
(a) 365 days	(iv) 1 year
(b) 10 years	(iii) 1 decade
(c) 10 decades	(ii) 1 century = 100 years
(d) 10 centuries	(i) 1 millennium = 1000 years

State the following statements are True or False:

Question 1.
The basic unit of time is second.

Answer

True

Question 2.
Every object moves with a constant speed.

Answer

False

Question 3.
The time period of a given pendulum is not constant.

Answer

True

Question 4.
The speed of a train is expressed in m/h.

Answer

False

Question 5.
Distance between two cities is measrued in kilometers.

Answer

True

Question 6.
Motion of your hands while running is oscillatory motion.

Answer

True

Question 7.
A simple pedulum is an example of linear motion.

Answer

False

Question 8.
A speedometer is used to measure distance.

Answer

False

Question 9.
Minute is the basic unit of time.

Answer

False

Question 10.
Second is the larger unit of time.

Answer

False

Question 11.
Working of clock depends on periodic motion.

Answer

True

Question 12.
When an object covers equal distances in equal intervals of time, however small be the intervals, then we say that it is in uniform motion.

Answer

True

Fill in the blanks:

Question 1.
The motion of vehicles on a straight road is in …………………

Answer

straight line

Question 2.
Revolving of earth around the sun is ………………… motion.

Answer

uniform motion

Question 3.
Running athlete is the example of ………………… motion.

Answer

non-uniform motion

Question 4.
The weight should swing freely on being moved some distance to one side and released is …………………

Answer

oscillation

Question 5.
The time taken by a pendulum to complete an oscillation is called the period of …………………

Answer

oscillation

Question 6.
On increasing the length of the pendulum the oscillation period also …………………

Answer

increases

Question 7.
………………… measures the distance moved by vehicle.

Answer

odometer

Question 8.
………………… records speed directly in km/h.

Answer

speedometer

Question 9.
A horse pulling a cart has …………………

Answer

linear motions

Question 10.
………………… is metallic ball of a pendulum.

Answer

Bob of pendulum

Question 11.
The basic unit of speed is …………………

Answer

m/s

Question 12.
Speed = …………………

Answer

distance lime

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MCQ Questions for Class 7 Science Chapter 14 Electric Current and Its Effects

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Students are advised to practice the NCERT MCQ Questions for Class 7 Science Chapter 14 Electric Current and Its Effects with Answers Pdf free download is available here. MCQ Questions for Class 7 Science with Answers are prepared as per the Latest Exam Pattern. Students can solve these Electric Current and Its Effects Class 7 MCQs Questions with Answers and assess their preparation level.

Electric Current and Its Effects Class 7 MCQs Questions with Answers

Solving the Electric Current and Its Effects Multiple Choice Questions of Class 7 Science Chapter 14 MCQ can be of extreme help as you will be aware of all the concepts. These MCQ Questions on Electric Current and Its Effects Class 7 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Have a glance at the MCQ of Chapter 14 Science Class 7 and cross-check your answers during preparation.

Question 1.
Bulbs, wires, cells and switches are known as the of a circuit.
(a) element
(b) switch
(c) filament
(d) none of these

Answer

(a) element
Wires, cells, switches, bulbs are element of a circuit.

Question 2.
An element measure the flowing an electric current is:
(a) voltmeter
(b) filament
(c) circuit
(d) ammeter

Answer

(d) ammeter
An ammeter measure the flowing electric current.

Question 3.
An element measure the potential difference between two points in an electric circuit is:
(a) voltmeter
(b) filament
(c) circuit
(d) ammeter

Answer

(a) voltmeter
Voltmeter measure the difference of two points.

Question 4.
Electric current has energy called:
(a) voltmeter
(b) filament
(c) electrical energy
(d) none of these

Answer

Question 5.
The magnetic material around the coil is wound is called:
(a) magnetic substance
(b) core
(c) soft iron
(d) none

Answer

(b) core
The magnetic material around the coil is wound is core.

Question 6.
Very strong electromagnets are used for lifting:
(a) fans
(b) washing machines
(c) heavy iron pieces
(d) none of these

Answer

Question 7.
A safety device that cuts off the current in a circuit if a sudden heavy current starts flowing in it is:
(a) fuse
(b) ammeter
(c) solenoid
(d) none of these

Answer

(a) fuse
Fuse is a safety device that cuts off the current.

Question 8.
A cylindrical coil of current carrying wire is:
(a) voltmeter
(b) ammeter
(c) fuse
(d) solenoid

Answer

(d) solenoid
A solenoid is a cylindrical coil of wire.

Question 9.
A coil of insulated currrent- carrying wire wound around a piece of a magnetic substance is:
(a) voltmeter
(b) magnetic coil
(c) electromagnet
(d) none of these

Answer

Question 10.
Which of these is not circuit element ?
(a) potential difference
(b) voltmeter
(c) resistor
(d) battery

Answer

Question 11.
Which of these appliances does not use on electro magnet?
(a) washing
(b) refrigerator
(c) room heater
(d) electric bell

Answer

Question 12.
The fuse wire:
(a) never breaks
(b) breaks on shorting of wire
(c) breaks on flowing of excessive current
(d) both (b) and (c)

Answer

(d) both (b) and (c)
Always fuse breaks on shorting of wire and flowing exessive current.

Question 13.
Which of the following liquid is bad conductor of electricity:
(a) salted water
(b) orange juice
(c) lemon juice
(d) none of these

Answer

(d) none of these
None of these Liquid is bad conductor of electricity.
A circuit diagram represent on electrical circuit.

Question 14.
Which of the following substance is conductor of electricity:
(a) rubber
(b) paper
(c) nails
(d) plastic

Answer

Question 15.
The electric current which is broken at some point is called:
(a) open circuit
(b) closed circuit
(c) short circuit
(d) long circuit

Answer

(a) open circuit
Open circuit is broken at some point.

Question 16.
symbol represents:
(a) cell
(b) battery
(c) closed circuit
(d) open key

Answer

Question 17.
A circuit diagram represent on:
(a) switch
(b) electrical circuit
(c) cells
(d) none of these

Answer

(a) switch
A circuit diagram represent on electrical circuit.

Question 18.
A control consisting of a electrical device for making or breaking or changing the connections in a circuit is:
(a) a switch
(b) a key
(c) both (a) and (b)
(d) none of these

Answer

Question 19.
symbol represents:
(a) electric bulb
(b) electric cell
(c) battery
(d) wire

Answer

(b) electric cell
Electrical cell represents symbol.

Question 20.
symbol represents:
(a) wire
(b) battery
(c) cell
(d) switch in ‘ON’ position

Answer

(d) switch in ‘ON’ position
symbol represents switch in ‘ON’ position.

Question 21.
symbol represents:
(a) wire
(b) cell
(c) bulb
(d) battery

Answer

(a) wire
symbol represents wire.

Question 22.
Such a combination of two or more cells is called :
(a) wire
(b) cell
(c) bulb
(d) battery

Answer

(d) battery
Combination of two or more cells is called battery.

Question 23.
The batteries used in tractors, trucks and inverter are also made from:
(a) cells
(b) wire
(c) battery
(d) none of these

Answer

(a) cells
The batteries used in tractors, trucks are also made from cells.

Question 24.
The positive terminal of one cell is connected to the:
(a) positive terminal
(b) negative terminal
(c) wire
(d) bulb

Answer

(b) negative terminal
The positive terminal of one cell is connected to the negative terminal.

Question 25.
The bulb glows as soon as the switch is moved to the:
(a) ‘ON’ position
(b) ‘OFF’ position
(c) both (a) and (b)
(d) none of these

Answer

(a) ‘ON’ position
The bulb glows as soon as the switch is ‘ON’ position.

Question 26.
The electric current flows from the end of cell marked ‘+’ called the:
(a) negative terminal
(b) positive terminal
(c) electric current
(d) none of these

Answer

(d) none of these
The cell marked ‘+’ is called positive terminal.

Question 27.
Through the metal wires to the end marked ‘ — ’ called the:
(a) bulb
(b) positive terminal
(c) battery
(d) negative terminal

Answer

(d) negative terminal
The marked ‘ is called the negative terminal.

Question 28.
The bulb has a thin wire called:
(a) battery
(b) cell
(c) filament
(d) none of these

Answer

(b) cell
The bulb has thin wire called filament.

Question 29.
A fan used electric current to rotate to blow:
(a) air
(b) current
(c) wire
(d) none of these

Answer

(a) air
A fan uses electric current to rotate to blow air.

Match the column A with column B:

Question 1.

Column-A	Column-B
(a) Ordinary magnet	(i) U-shaped iron rod
(b) Hammer	(ii) Soft iron rod
(c) Electriomagnet	(iii) Steel and armature
(d) Armature	(iv) Permanent magnetism

Answer

Column-A	Column-B
(a) Ordinary magnet	(iv) Permanent magnetism
(b) Hammer	(iii) Steel and armature
(c) Electromagnet	(i) U-shaped iron rod
(d) Armature	(ii) Soft iron rod

Question 2.

Column-A	Column-B
(a) MCB	(i) Battery
(b) Battery	(ii) The bulb will not glow
(c) Two or more cells	(iii) Tractors, trucks
(d) ‘OFF’ position	(iv) Miniature Circuit Breaker

Answer

Column-A	Column-B
(a) MCB	(iv) Miniature Circuit Breaker
(b) Battery	(iii) Tractors, trucks
(c) Two or more cells	(i) Battery
(d) ‘OFF’ position	(ii) The bulb will not glow

Question 3.

Column-A	Column-B
(a) Electromagnet	(i) Battery
(b) Electric bell	(ii) Attracted piece of iron
(c) Longer Line	(iii) Electromagnet
(d)	(iv) Positive terminal

Answer

Column-A	Column-B
(a) Electromagnet	(ii) Attracted piece of iron
(b) Electric bell	(iii) Electromagnet
(c) Longer Line	(iv) Positive terminal
(d)	(i) Battery

State the following statements are True or False:

Question 1.
The fuse wire never breaks.

Answer

False

Question 2.
Longer line in the symbol for a cell represents its negative terminals.

Answer

False

Question 3.
To make a battery of two cells, the negative terminal of one cell is connected to the negative terminal of other cell.

Answer

False

Question 4.
An electromagnet attracted a table of wood.

Answer

False

Question 5.
An electric bell has not an electromagnet.

Answer

False

Question 6.
When the electric current through the fuse exceeds a certain limit, the fuse wire melts and break.

Answer

True

Question 7.
Plastic is not a magnetic substances.

Answer

True

Question 8.
A key or an electric switch is a control consisting of an electrical device for changing the connections.

Answer

True

Question 9.
The amount of heat depends on its length, thickness, length in a wire.

Answer

True

Question 10.
Mans Christian was the first person to notice the deflection of compass needle.

Answer

True

Question 11.
The electrical circuit which is broken at some point is called short circuit.

Answer

False

Question 12.
Plastic is the best conductor of electricity.

Answer

False

Fill in the blanks:

Question 1.
The depostion of a layer of metal on some other metal is called ……………………..

Answer

electroplating

Question 2.
A combination of two or more cells is called ……………………..

Answer

battery

Question 3.
The …………………….. terminal of one cell is connected to the negative terminal of the next cell.

Answer

positive

Question 4.
Bulb …………………….. when the circuit is complte.

Answer

glows

Question 5.
…………………….. is a device used to prevent any change being caused to circuit and electric appliances.

Answer

Fuse

Question 6.
…………………….. is a coil of wire which gets heated up when electric current is passed through it.

Answer

Element

Question 7.
Electromagnet is a …………………….. magnetism.

Answer

temporary

Question 8.
The wastage of electricity by a bulb can be reduced by using …………………….. tube lights.

Answer

fluorescent

Hope the information shared regarding the NCERT MCQ Questions for Class 7 Science Chapter 14 Electric Current and Its Effects with Answers Pdf free download is true and genuine as far as our knowledge is concerned. If you feel any information regarding CBSE Class 7 Science Electric Current and Its Effects MCQs Multiple Choice Questions with Answers is missing do reach us and we will look into it and add it accordingly.

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