{"id":17955,"date":"2022-05-27T08:30:59","date_gmt":"2022-05-27T03:00:59","guid":{"rendered":"https:\/\/mcq-questions.com\/?p=17955"},"modified":"2022-05-18T15:31:54","modified_gmt":"2022-05-18T10:01:54","slug":"mcq-questions-for-class-11-biology-chapter-12","status":"publish","type":"post","link":"https:\/\/mcq-questions.com\/mcq-questions-for-class-11-biology-chapter-12\/","title":{"rendered":"MCQ Questions for Class 11 Biology Chapter 12 Mineral Nutrition with Answers"},"content":{"rendered":"

Students are advised to practice the NCERT MCQ Questions for Class 11 Biology Chapter 12 Mineral Nutrition with Answers Pdf free download is available here. MCQ Questions for Class 11 Biology with Answers<\/a> are prepared as per the Latest Exam Pattern. Students can solve these Mineral Nutrition Class 11 MCQs Questions with Answers and assess their preparation level.<\/p>\n

Mineral Nutrition Class 11 MCQs Questions with Answers<\/h2>\n

Solving the Mineral Nutrition Multiple Choice Questions of Class 11 Biology Chapter 12 MCQ can be of extreme help as you will be aware of all the concepts. These MCQ Questions on Mineral Nutrition 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 12 Biology Class 11 and cross-check your answers during preparation.<\/p>\n

I. Select the correct answer from the following questions:<\/span><\/p>\n

Question 1.
\nName the scientist who first showed that plants obtain minerals from the soil for their growth and development.
\n(a) Woodward
\n(b) de-Saussure
\n(c) Armon
\n(d) Stout.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) Woodward.<\/p>\n<\/details>\n

\n

Question 2.
\nA mineral element is considered essential for plant if it fulfills the need for
\n(a) Specific symptoms
\n(b) Normal growth and development
\n(c) Direct nutrition of plant
\n(d) All of these<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (d) All of these.<\/p>\n<\/details>\n

\n

Question 3.
\nAn element which is constituent of every enzyme and is thus essential for ail biochemical reactions in plants is
\n(a) Nitrogen
\n(b) Sulphur
\n(c) Phosphorus
\n(d) Carbon<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) Nitrogen.<\/p>\n<\/details>\n

\n

Question 4.
\nAn element which is constituent of cholrophyll and also acts as a co-factor for various enzymes taking part in cellular respiration is
\n(a) Magnesium
\n(b) Nitrogen
\n(c) Carbon
\n(d) Iron.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) Magnesium.<\/p>\n<\/details>\n

\n

Question 5.
\nMain source of nitrogen for plants is
\n(a) Atmoshpere
\n(b) Soil
\n(c) Nitrifying bacteria
\n(d) Water soluble nitrites nitrates.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) Atmosphere.<\/p>\n<\/details>\n

\n

Question 6.
\nAnimal and other heterotrophic organisms obtain nitrogen from
\n(a) Atmosphere
\n(b) Plants
\n(c) Nitrifying bacteria
\n(d) All of these.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (b) Plants.<\/p>\n<\/details>\n

\n

Question 7.
\nElements obtained by plants from the soil are known as
\n(a) Mineral elements
\n(b) Non-mineral elements
\n(c) Both (a) and (b)
\n(d) None of these.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) Mineral elements.<\/p>\n<\/details>\n

\n

Question 8.
\nElements obtained by plants from atmosphere of water are known as
\n(a) Mineral elements
\n(b) Non-mineral elements
\n(c) Gases
\n(d) Both (a) and (b)<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (b) Non-mineral elements.<\/p>\n<\/details>\n

\n

Question 9.
\nNon-mineral elements of plants are
\n(a) Carbon, hydrogen and sulphur
\n(b) Carbon, oxygen and nitrogen
\n(c) Sulphar, chlorine and nitrogen
\n(d) Carbon, hydrogen and oxygen.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (d) Carbon, hydrogen and oxygen.<\/p>\n<\/details>\n

\n

Question 10.
\nAn element of plants which is derived both from mineral and non-mineral resources is
\n(a) Carbon
\n(b) Sulphur
\n(c) Nitrogen
\n(d) Hydrogen.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (c) Nitrogen.<\/p>\n<\/details>\n

\n

Question 11.
\nThe technique of growing the plants by placing their roots in nutrient solution instead of growing in soil is called
\n(a) Water culture
\n(b) Hydroponics
\n(c) Soilless culture
\n(d) All of these.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (d) All of these.<\/p>\n<\/details>\n

\n

Question 12.
\nPhosphorus is very essential for
\n(a) Photosynthesis and respiration as carbohydrates taking part in different reactions react in phosphorylated form
\n(b) It is constituent of NADP which plays crucial role in light reaction of photosynthesis.
\n(c) Helps in storing chemical energy in glucose.
\n(d) All of these.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (d) All of these.<\/p>\n<\/details>\n

\n

Question 13.
\nLoss of chloropvll that leads to yellowing of entire leaf or part of it is called
\n(a) Chlorosis
\n(b) Necrosis
\n(c) Abscission
\n(d) Mottling<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) Chorosis<\/p>\n<\/details>\n

\n

Question 14.
\nAppearance of patches of green and non-green areas on the leaves are called
\n(a) Necrosis
\n(b) Chlorosis
\n(c) Curling
\n(d) Mottling.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (d) Mottling.<\/p>\n<\/details>\n

\n

Question 15.
\nLocalised death of tissue of leaf is called
\n(a) Chlorosis
\n(b) Necrosis
\n(c) Mottling
\n(d) Dieback.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (b) Necrosis.<\/p>\n<\/details>\n

\n

Question 16.
\nThe yellow disease in tea plant occurs due to
\n(a) Deficiency of sulphur
\n(b) Deficiency of nitrogen
\n(c) Excess of sulphur
\n(d) None of these<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) Deficiency of sulphur.<\/p>\n<\/details>\n

\n

Question 17.
\nWhich one is not related with plant ash?
\n(a) Trace element
\n(b) Essential elements
\n(c) Nitrogen
\n(d) Mineral elements.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (c) Nitrogen.<\/p>\n<\/details>\n

\n

Question 18.
\nDeficiency of boron in plants causes disease
\n(a) Corky spot of apples
\n(b) Heart rot of sugar beet
\n(c) Top sickness of tobacco
\n(d) All of these.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (d) All of these<\/p>\n<\/details>\n

\n

Question 19.
\nIn nitrogen cycle, the nitrifying bacteria
\n(a) convert ammonia into nitrogen
\n(b) Fix atmospheric nitrogen
\n(c) Convert amino acids into ammonia
\n(d) Convert ammonia into nitrates.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (d) Convert ammonia into nitrates.<\/p>\n<\/details>\n

\n

Question 20.
\nThe most common symbiotic nitrogen fixing organism\/s is
\n(a) Azotobacter
\n(b) Closteridium
\n(c) Rhizobium leguminaris
\n(d) Chlorobium.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (c) Rhizobium leguminaris<\/p>\n<\/details>\n

\n

Question 21.
\nIn non-leguminous plants like Casurina and Alnus symbiotic N fixing bacteria occur in their roots like
\n(a) Frankia
\n(b) Closteridium
\n(c) Rhizobium
\n(d) Azotobacter.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) Frankia.<\/p>\n<\/details>\n

\n

Question 22.
\nThe main source of nitrogen nutrition in plants is
\n(a) Nitrogen in the atmosphere
\n(b) Nitrogen fixing bacteria
\n(c) Mineral nitrogen
\n(d) All of these.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) Nitrogen in the atmosphere.<\/p>\n<\/details>\n

\n

Question 23.
\nThe mineral uptake occurs in plants
\n(a) Against concentration gradient
\n(b) Along concentration gradient
\n(c) Both (a) and (b)
\n(d) None of these.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) Against concentration gradient.<\/p>\n<\/details>\n

\n

Question 24.
\nThe most common mineral element which becomes deficient in agricultural soils is
\n(a) Phosphorus
\n(b) Nitrogen
\n(c) Potassium
\n(d) All of these.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (d) All of these.<\/p>\n<\/details>\n

\n

Question 25.
\nBiological nitrogen fixation involves reduction of N2<\/sub> by addition of
\n(a) A pair of hydrogen atoms
\n(b) A pair of CO2<\/sub> molecules
\n(c) A pair of oxygen atoms
\n(d) None of these.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) A pair of hydrogen atoms.<\/p>\n<\/details>\n

\n

II. Fill in the blanks<\/span><\/p>\n

Question 1.
\nJulius Sachs technique of growing plants in a nutrient solution is known as ………….<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: hydroponics<\/p>\n<\/details>\n

\n

Question 2.
\nThe element must be …………. necessary for supporting normal growth and reproduction.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: obsolutely<\/p>\n<\/details>\n

\n

Question 3.
\nThe requirement of the element …………. and not ………….. by another element.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: must be specific, replaceable<\/p>\n<\/details>\n

\n

Question 4.
\nThe element must be ………….. in the metabolism of the plant.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: directly involved<\/p>\n<\/details>\n

\n

Question 5.
\n………… must generally be present in plant tissues in concentration of 1 to 10 mg\/L of dry matter.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: Macronutrients<\/p>\n<\/details>\n

\n

Question 6.
\n…………. or trace elements, are needed in very small amount (equal to or less than 0.1 mg\/L of dry matter).<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: Micronutrients<\/p>\n<\/details>\n

\n

Question 7.
\n……….. is the mineral element required by plants in the greatest amount.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: Nitrogen<\/p>\n<\/details>\n

\n

Question 8.
\n………… is absorbed by the plants from soil in the form of phosphate ions (either as H2<\/sub> PO–<\/sup>4<\/sub> or HPO2-<\/sup>4<\/sub>).<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: Phosphorus<\/p>\n<\/details>\n

\n

Question 9.
\n………… is absorbed as potassium ion (K+<\/sup>)<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: Potassium<\/p>\n<\/details>\n

\n

Question 10.
\nPlant absorbs …………. from the soil in the form of calcium ions (Ca2+<\/sup>).<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: calcium<\/p>\n<\/details>\n

\n

Question 11.
\nMagnesium activates the enzymes of respiration, photosynthesis and are involved in the synthesis of ………. and …………<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: DNA, RNA<\/p>\n<\/details>\n

\n

Question 12.
\nSulphur is present in two amino acids ………… and ………….. and is the main constituent of several coenzymes, vitamins and ferredoxin.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: Cysteine, methionine<\/p>\n<\/details>\n

\n

Question 13.
\nPlants obtain ……….. in the form of ferric ions (Fe3+<\/sup>).<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: iron<\/p>\n<\/details>\n

\n

Question 14.
\nManganese activates many enzymes involved in ……….., ………… and ………….<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: photosynthesis, respiration, nitrogen metabolism<\/p>\n<\/details>\n

\n

Question 15.
\nCopper is essential for the overall …………. in plants. Like iron<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: metablism<\/p>\n<\/details>\n

\n

III. Mark the statement true (T) or false (F)<\/span><\/p>\n

Question 1.
\nChlorine is absorbed in the form of chloride anion (Cl–<\/sup>).<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 2.
\nBoron is required for uptake and utilisation of Ca2+<\/sup>, membrane functioning, pollen germination, cell elongation, cell differentiation and carbohydrate translocation.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 3.
\nPlants obtain it in the form of molybdate ions (MoO2<\/sub>2+<\/sup>).<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 4.
\nThe concentration of the essential element below which plant growth is retarded is termed as critical concentration.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 5.
\nThe toxicity symptoms are very easy to identify.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: False.<\/p>\n<\/details>\n

\n

Question 6.
\nThe process of conversion of nitrogen (N2<\/sub>) to ammonia is termed as nitrogen fixation.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 7.
\nAmmonia is second oxidised to nitrite by the bacteria Nitrosomonas and\/or Nitrococcus.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: False.<\/p>\n<\/details>\n

\n

Question 8.
\nReduction of nitrogen to ammonia by living organisms is called symbiotic nitrogen fixation.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: False.<\/p>\n<\/details>\n

\n

Question 9.
\nBoth Rhizobium and Frankia are free-living in soil, but as symbionts, can fix the atmospheric nitrogen.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 10.
\nAt physiological pH, the ammonia is protonated to form NH+<\/sup>4<\/sub> (ammonium) ion.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 11.
\nGlutamic acid is the main amino acid from which the transfer of NH2<\/sub, the amino group takes place and other amino acids are formed through transamination.<\/sub><\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 12.
\nMajority of the minerals that are essential for the growth and development of plant become available to roots due to weathering and breakdown of rocks.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 13.
\nMineral salts are translocated through xylem along with the ascending stream of water, which is pulled up through the plant by transpirational pull.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 14.
\nAny mineral ion concentration in tissues that reduces the dry weight of tissues by about 80 percent is considered toxic.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: False.<\/p>\n<\/details>\n

\n

Question 15.
\nThe basic needs of all living organisms are essentially the some. They require macromolecules, such as carbohydrates, proteins and fats, and minerals for their growth and developments..<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

IV. Match the items of column I with the items of column II<\/span><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Column I<\/td>\nColumn II<\/td>\n<\/tr>\n
(a) Hydroponics.<\/td>\n1. Macronutrients<\/td>\n<\/tr>\n
(b) Iron, manganese, copper, molybdenum, zinc, boron, chlorine and nickel.<\/td>\n2. NO2<\/sub> or NO4<\/sub>.<\/td>\n<\/tr>\n
(c) Potassium<\/td>\n3. In plants, this is required in more abundant quantities in meristematic tissues, buds, leaves and root tips.<\/td>\n<\/tr>\n
(d) Nitrogen is absorbed mainly as NO3<\/sub> though some are also taken up as<\/td>\n4. Micronutrients<\/td>\n<\/tr>\n
(e) Carbon, hydrogen, Oxygen, nitrogen, phosphorous, sulphur, potassium, calcium and magnesium.<\/td>\n5. The technique of growing plants in a nutrient solution.<\/td>\n<\/tr>\n
(f) It is an important constituent of proteins involved in the transfer of electrons like ferredoxih and cytochromes.<\/td>\n6. This symptom is caused by the deficiency of elements N, K, Mg, S Fe, Mn, Zn<\/td>\n<\/tr>\n
(g) Chlorosis is the loss of chlorophyll leading to yellowing in leaves.<\/td>\n7. Flux<\/td>\n<\/tr>\n
(h) The movement of ions is usually called<\/td>\n8. Iron<\/td>\n<\/tr>\n
(i) The process of conversion of nitrogen (N2<\/sub>) to ammonia is termed as<\/td>\n9. Fate of ammonia.<\/td>\n<\/tr>\n
(j) Rhizobium<\/td>\n10. Transamination<\/td>\n<\/tr>\n
(k) At physiological pH, the ammonia is protonated to from NH+<\/sup>4<\/sub> (ammonium) ion.<\/td>\n11. It is absorbed in the form of chloride onion (Cl–<\/sup>)<\/td>\n<\/tr>\n
(l) It involves the transfer of amino group from one amino acid to the keto group of a keto acid.<\/td>\n12. Zinc.<\/td>\n<\/tr>\n
(m) It is also needed in the synthesis of auxin.<\/td>\n13. nitrogen- fixation.<\/td>\n<\/tr>\n
(n) Chlorine<\/td>\n14. Symbiotic biological nitrogen fixation.<\/td>\n<\/tr>\n
(o) Potassium plays an important role in the<\/td>\n15. opening and closing of stomata.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\nAnswer<\/span><\/summary>\n

Answer:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Column I<\/td>\nColumn II<\/td>\n<\/tr>\n
(a) Hydroponics.<\/td>\n5. The technique of growing plants in a nutrient solution.<\/td>\n<\/tr>\n
(b) Iron, manganese, copper, molybdenum, zinc, boron, chlorine and nickel.<\/td>\n4. Micronutrients<\/td>\n<\/tr>\n
(c) Potassium<\/td>\n3. In plants, this is required in more abundant quantities in meristematic tissues, buds, leaves and root tips.<\/td>\n<\/tr>\n
(d) Nitrogen is absorbed mainly as NO3<\/sub> though some are also taken up as<\/td>\n2. NO2<\/sub> or NO4<\/sub>.<\/td>\n<\/tr>\n
(e) Carbon, hydrogen, Oxygen, nitrogen, phosphorous, sulphur, potassium, calcium and magnesium.<\/td>\n1. Macronutrients<\/td>\n<\/tr>\n
(f) It is an important constituent of proteins involved in the transfer of electrons like ferredoxih and cytochromes.<\/td>\n8. Iron<\/td>\n<\/tr>\n
(g) Chlorosis is the loss of chlorophyll leading to yellowing in leaves.<\/td>\n6. This symptom is caused by the deficiency of elements N, K, Mg, S Fe, Mn, Zn<\/td>\n<\/tr>\n
(h) The movement of ions is usually called<\/td>\n7. Flux<\/td>\n<\/tr>\n
(i) The process of conversion of nitrogen (N2<\/sub>) to ammonia is termed as<\/td>\n13. nitrogen- fixation.<\/td>\n<\/tr>\n
(j) Rhizobium<\/td>\n14. Symbiotic biological nitrogen fixation.<\/td>\n<\/tr>\n
(k) At physiological pH, the ammonia is protonated to from NH+<\/sup>4<\/sub> (ammonium) ion.<\/td>\n9. Fate of ammonia.<\/td>\n<\/tr>\n
(l) It involves the transfer of amino group from one amino acid to the keto group of a keto acid.<\/td>\n10. Transamination<\/td>\n<\/tr>\n
(m) It is also needed in the synthesis of auxin.<\/td>\n12. Zinc.<\/td>\n<\/tr>\n
(n) Chlorine<\/td>\n11. It is absorbed in the form of chloride onion (Cl–<\/sup>)<\/td>\n<\/tr>\n
(o) Potassium plays an important role in the<\/td>\n15. opening and closing of stomata.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/details>\n
\n

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Students are advised to practice the NCERT MCQ Questions for Class 11 Biology Chapter 12 Mineral Nutrition 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 Mineral Nutrition Class 11 MCQs Questions with Answers and assess …<\/p>\n

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