{"id":12427,"date":"2022-05-23T09:30:11","date_gmt":"2022-05-23T04:00:11","guid":{"rendered":"https:\/\/mcq-questions.com\/?p=12427"},"modified":"2022-05-16T14:57:50","modified_gmt":"2022-05-16T09:27:50","slug":"mcq-questions-for-class-7-science-chapter-10","status":"publish","type":"post","link":"https:\/\/mcq-questions.com\/mcq-questions-for-class-7-science-chapter-10\/","title":{"rendered":"MCQ Questions for Class 7 Science Chapter 10 Respiration in Organisms"},"content":{"rendered":"

Students are advised to practice the NCERT MCQ Questions for Class 7 Science Chapter 10 Respiration in Organisms with Answers Pdf free download is available here. MCQ Questions for Class 7 Science with Answers<\/a> are prepared as per the Latest Exam Pattern. Students can solve these Respiration in Organisms Class 7 MCQs Questions with Answers and assess their preparation level.<\/p>\n

Respiration in Organisms Class 7 MCQs Questions with Answers<\/h2>\n

Solving the Respiration in Organisms Multiple Choice Questions of Class 7 Science Chapter 10 MCQ can be of extreme help as you will be aware of all the concepts. These MCQ Questions on Respiration in Organisms 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 10 Science Class 7 and cross-check your answers during preparation.<\/p>\n

Question 1.
\nA film of moisture of appears on the surface of the mirror when we:
\n(a) inhale
\n(b) exhale
\n(c) breathe
\n(d) none of these<\/p>\n

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

(b) exhale
\nA film of moisture appears on the surface of the mirror when we exhale.<\/p>\n<\/details>\n

\n

Question 2.
\nThe vital biological process of organisms is:
\n(a) inspiration
\n(b) respiration
\n(c) transpiration
\n(d) evaporation<\/p>\n

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

(b) respiration
\nThe vital biological process of organisms is respiration.<\/p>\n<\/details>\n

\n

Question 3.
\nThe mountaineers carry oxygen with them because:
\n(a) At an atitude of more than 5 km there is no air
\n(b) The amount of air available to a person is less than that available on the ground
\n(c) The temperature of air is higher than that on the ground
\n(d) The pressure of air is higher than that on the ground<\/p>\n

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

(b) The amount of air available to a person is less than that available on the ground
\nThe mountaineers carry oxygen with them because the amount of air available to a person is less than that available on the ground.<\/p>\n<\/details>\n

\n

Question 4.
\nWe feel hungry after a physical activity because we need:
\n(a) oxygen
\n(b) energy
\n(c) food
\n(d) none of these<\/p>\n

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

(b) energy
\nWe feel hungry after a physical activity because we need energy.<\/p>\n<\/details>\n

\n

Question 5.
\nA person can hold air in the lungs is:
\n(a) 50 ml
\n(b) 5000 ml
\n(c) 500 ml
\n(d) 0.5 ml<\/p>\n

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

(c) 500 ml
\nA person can hold air in the lungs is 500 ml.<\/p>\n<\/details>\n

\n

Question 6.
\nThe percentage of oxygen in exhaled air is:
\n(a) 14.4%
\n(b) 4.4%
\n(c) 16.4%
\n(d) 0.04%<\/p>\n

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

(c) 16.4%
\nThe percentage of oxygen in exhaled air is 16.4%<\/p>\n<\/details>\n

\n

Question 7.
\nThe percentage of oxygen in inhaled air is:
\n(a) 14.4%
\n(b) 4.4%
\n(c) 16.4%
\n(d) 21%<\/p>\n

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

(d) 21%
\nThe percentage of oxygen in inhaled air is 21%<\/p>\n<\/details>\n

\n

Question 8.
\nThe percentage of CO2<\/sub> in inhaled air is:
\n(a) 0.04%
\n(b) 21%
\n(c) 16.4%
\n(d) 4.4%<\/p>\n

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

(a) 0.04%
\nThe percentage of carbon dioxides in inhaled air is 0.04%<\/p>\n<\/details>\n

\n

Question 9.
\nThe respiratory organs of human beings are:
\n(a) lungs and skin
\n(b) lungs
\n(c) gills
\n(d) skin<\/p>\n

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

(b) lungs
\nThe respiratory organs of human beings are lungs.<\/p>\n<\/details>\n

\n

Question 10.
\nThe process of respiration leads to the release of energy in:
\n(a) plants
\n(b) animals
\n(c) human beings
\n(d) all of these<\/p>\n

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

(a) plants
\nThe process of respiration leads to the release of energy in plants.<\/p>\n<\/details>\n

\n

Question 11.
\nThe absorb oxygen dissolved in water:
\n(a) frog
\n(b) fish
\n(c) earthworm
\n(d) butterfly<\/p>\n

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

(b) fish
\nThe fish absorb oxygen dissolved in water.<\/p>\n<\/details>\n

\n

Question 12.
\nThe respiratory organ of birds are:
\n(a) mouth
\n(b) gills
\n(c) wet skin
\n(d) lungs<\/p>\n

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

(d) lungs
\nThe respiratory organ of birds are lungs.<\/p>\n<\/details>\n

\n

Question 13.
\nAir exhaled:
\n(a) has no moisture
\n(b) has more amount of oxygen
\n(c) has moisture
\n(d) has less amount of carbon dioxide<\/p>\n

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

(c) has moisture
\nAir exhaled has moisture.<\/p>\n<\/details>\n

\n

Question 14.
\nAfter exercise:
\n(a) respiration rate increases
\n(b) respiration rate decreases
\n(c) respiration rate remains same
\n(d) none of these<\/p>\n

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

(a) respiration rate increases
\nAfter exercise respiration rate increases.<\/p>\n<\/details>\n

\n

Question 15.
\nAir enters the lungs when:
\n(a) diaphragm is lowered
\n(b) diaphragm is pushed upwards
\n(c) diaphragm remains at its place
\n(d) none of these<\/p>\n

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

(a) diaphragm is lowered
\nAir enters the lungs when diaphragm is lowered.<\/p>\n<\/details>\n

\n

Question 16.
\nRoots take up air from the air spaces present between the:
\n(a) root hair
\n(b) soil particles
\n(c) both (a) and (b)
\n(d) none of these<\/p>\n

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

(b) soil particles
\nRoots take up air from the air spaces present between the soil Particles.<\/p>\n<\/details>\n

\n

Question 17.
\nIf a potted plant is over watered, the roots will:
\n(a) grow
\n(b) die
\n(c) dry
\n(d) none of these<\/p>\n

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

(b) die
\nIf potted plant is over watered, the roots will die.<\/p>\n<\/details>\n

\n

Question 18.
\nThe rate of exchange of gases in plants is not as fast as in:
\n(a) animals
\n(b) insects
\n(c) birds
\n(d) human beings<\/p>\n

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

(a) animals
\nThe rate of exchange of gases in plants is not as fast as in animals.<\/p>\n<\/details>\n

\n

Question 19.
\nInsects have small openings on the outside of their bodies. These openings are called:
\n(a) spiracles
\n(b) trachea
\n(c) gills
\n(d) none of these<\/p>\n

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

(a) spiracles
\nInsects have small openings on the outside of their bodies, is called spiracles.<\/p>\n<\/details>\n

\n

Question 20.
\nExchange of gases take place through small openings on the surface of the leaves are called:
\n(a) spiracles
\n(b) stomata
\n(c) trachea
\n(d) none of these<\/p>\n

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

(b) stomata
\nExchange of gases take place through small openings present on the surface of leaves called stomata.<\/p>\n<\/details>\n

\n

Question 21.
\nThe process of intake of oxygen and exhalation of carbon dioxide is:
\n(a) breathing rate
\n(b) breathing
\n(c) respiration
\n(d) none of these<\/p>\n

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

(b) breathing
\nThe process of intake of oxygen and exhalation of carbon dioxide is breathing.<\/p>\n<\/details>\n

\n

Question 22.
\nRibs move down and inward to decrease space in chess cavity during:
\n(a) inhalation
\n(b) exhalation
\n(c) respiration
\n(d) transportation<\/p>\n

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

(b) exhalation
\nRibs move down and inwards to decrease space in chest cavity during exhalation.<\/p>\n<\/details>\n

\n

Question 23.
\nIn Cockroaches air enters the body through:
\n(a) lungs
\n(b) gills
\n(c) spiracles
\n(d) skin<\/p>\n

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

(c) spiracles
\nIn cockroaches air enters the body through spiracles.<\/p>\n<\/details>\n

\n

Question 24.
\nDuring heavy exercise, we get cramps in legs due to accumulation of:
\n(a) carbon dioxide
\n(b) lactic acid
\n(c) alcohol
\n(d) water<\/p>\n

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

(b) lactic acid
\nDuring heavy exercise, we get cramps in legs due to accumulation of carbon dioxide<\/p>\n<\/details>\n

\n

Question 25.
\nNormal range of breathing rate per minute in an average adult person at rest is:
\n(a) 9-12
\n(b) 15-18
\n(c) 21-24
\n(d) 30-33<\/p>\n

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

(b) 15-18
\nNormal breathing rate per minute in an average adult person is 15-18<\/p>\n<\/details>\n

\n

Question 26.
\nDuring exhalation the ribs:
\n(a) move outwards
\n(b) move downwards
\n(c) move upwards
\n(d) do not move at all<\/p>\n

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

(b) move downwards
\nDuring exhalation, the ribs move downwards.<\/p>\n<\/details>\n

\n

Question 27.
\nDuring inhalation the ribs:
\n(a) move outwards
\n(b) move downwards
\n(c) move upwards
\n(d) do not move at all<\/p>\n

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

(c) move upwards
\nDuring inhalation the ribs move upwards.<\/p>\n<\/details>\n

\n

Question 28.
\nIn fish air enters the body through:
\n(a) lungs
\n(b) gills
\n(c) spiracles
\n(d) skin<\/p>\n

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

(b) gills
\nIn fish air enters the body through gills.<\/p>\n<\/details>\n

\n

Question 29.
\nEarthworm respires through
\n(a) lungs
\n(b) gills
\n(c) spiracles
\n(d) skin<\/p>\n

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

(d) skin
\nEarthworm respires through skin.<\/p>\n<\/details>\n

\n

Question 30.
\nThe energy giving process is
\n(a) respiration
\n(b) transpiration
\n(c) evaporation
\n(d) none of these<\/p>\n

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

(a) respiration
\nThe energy giving process is respiration.<\/p>\n<\/details>\n

\n

Question 31.
\nWhich disease is linked to smoking ?
\n(a) malaria
\n(b) cholera
\n(c) typhoid
\n(d) lung cancer<\/p>\n

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

(d) lung cancer
\nLungs Cancer is linked to smoking.<\/p>\n<\/details>\n

\n

Question 32.
\nThe air tubes present in insects are:
\n(a) spiracles
\n(b) trachea
\n(c) gills
\n(d) none of these<\/p>\n

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

(b) trachea
\nThe air tubes present in insects are trachea<\/p>\n<\/details>\n

\n

Question 33.
\nThe reason of cramps in legs is:
\n(a) acetic acid
\n(b) hydrochloric acid
\n(c) lactic acid
\n(d) trachea<\/p>\n

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

(c) lactic acid
\nThe reason of cramps in legs is lactic acid.<\/p>\n<\/details>\n

\n

Question 34.
\nIn mammals the respiratory organ is:
\n(a) gills
\n(b) spiracles
\n(c) trachea
\n(d) lungs<\/p>\n

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

(d) lungs
\nIn mammals the respitory organ is lungs.<\/p>\n<\/details>\n

\n

Question 35.
\nWhich one of the following is an anaerobic organism ?
\n(a) yeast
\n(b) crow
\n(c) ant
\n(d) dog<\/p>\n

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

(a) yeast
\nYeast is anaerobic organism.<\/p>\n<\/details>\n

\n

Question 36.
\nThe percentage of carbon dioxide in exhaled air is:
\n(a) 0.4%
\n(b) 4.4%
\n(c) 14.4%
\n(d) 44%<\/p>\n

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

(b) 4.4%
\nThe percentage of carbon dioxide in exhaled air is 4.4%<\/p>\n<\/details>\n

\n

Question 37.
\nThe size of chest cavity increases during:
\n(a) respiration
\n(b) inhalation
\n(c) transpiration
\n(d) none of these<\/p>\n

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

(b) inhalation
\nThe size of chest cavity increases during inhalation.<\/p>\n<\/details>\n

\n

Question 38.
\nFrogs breathe through their skin as well as:
\n(a) gill
\n(b) lungs
\n(c) chest
\n(d) none of these<\/p>\n

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

(b) lungs
\nFrogs breathes through their skin as well as lungs.<\/p>\n<\/details>\n

\n

Question 39.
\nThe end products of anaerobic respiration are:
\n(a) ethyl alcohol
\n(b) carbon dioxide
\n(c) both (a) and (b)
\n(d) none of these<\/p>\n

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

(c) both (a) and (b)
\nThe end products of anaerobic respiration are both CO2<\/sub> and Ethyl Alcohol<\/p>\n<\/details>\n

\n

Question 40.
\nThe end products of an aerobic respiration are:
\n(a) carbon dioxide
\n(b) water and energy
\n(c) both (a) and (b)
\n(d) none of these<\/p>\n

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

(c) both (a) and (b)
\nThe end products of anaerobic respiration are both CO2<\/sub> and water and energy.<\/p>\n<\/details>\n

\n

Question 41.
\nThese organisms survive in absence of air are known as:
\n(a) aerobic
\n(b) an aerobic
\n(c) earthworm
\n(d) none of these<\/p>\n

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

(b) an aerobic
\nThose organisms survive in absence of air are known as an aerobic.<\/p>\n<\/details>\n

\n

Question 42.
\nRespiration taking place in cells is:
\n(a) breathing
\n(b) cellular respiration
\n(c) transpiration
\n(d) evaporation<\/p>\n

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

(b) cellular respiration
\nRespiration taking place in cells is cellular respiration.<\/p>\n<\/details>\n

\n

Question 43.
\nThe muscles of legs can be relieved by:
\n(a) massaging
\n(b) running
\n(c) exercising
\n(d) sleeping<\/p>\n

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

(a) massaging
\nThe muscles of legs can be relieved by massaging<\/p>\n<\/details>\n

\n

Question 44.
\nA large muscular sheet farming the floor of chest cavity is:
\n(a) ribs
\n(b) trachea
\n(c) stomata
\n(d) diaphragm<\/p>\n

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

(d) diaphragm
\nA large muscular sheet farming the floor of chest cavity is called diaphragm.<\/p>\n<\/details>\n

\n

Question 45.
\nThe size of chest cavity decreases during:
\n(a) inhalation
\n(b) breathing
\n(c) exhalation
\n(d) respiration<\/p>\n

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

(c) exhalation
\nThe size of chest cavity decreases during exhalation.<\/p>\n<\/details>\n

\n

Question 46.
\nWhich part of nose prevents the passage of smoke dust inside the body:
\n(a) hair
\n(b) nosal cavity
\n(c) nostrils
\n(d) none of these<\/p>\n

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

(a) hair
\nHair of nose prevents the passage of smoke, dust inside the body.<\/p>\n<\/details>\n

\n

Match the column A with column B:<\/span><\/p>\n

Question 1.<\/p>\n\n\n\n\n\n\n\n
Column-A<\/strong><\/td>\nColumn-B<\/strong><\/td>\n<\/tr>\n
(a) Yeast<\/td>\n(i) Stomata<\/td>\n<\/tr>\n
(b) Diaphragm<\/td>\n(ii) Earthworm<\/td>\n<\/tr>\n
(c) Skin<\/td>\n(iii) Chest cavity<\/td>\n<\/tr>\n
(d) Leaves<\/td>\n(iv) Alcohol<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\nAnswer<\/span><\/summary>\n\n\n\n\n\n\n\n
Column-A<\/strong><\/td>\nColumn-B<\/strong><\/td>\n<\/tr>\n
(a) Yeast<\/td>\n(iv) Alcohol<\/td>\n<\/tr>\n
(b) Diaphragm<\/td>\n(iii) Chest cavity<\/td>\n<\/tr>\n
(c) Skin<\/td>\n(ii) Earthworm<\/td>\n<\/tr>\n
(d) Leaves<\/td>\n(i) Stomata<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/details>\n
\n

Question 2.<\/p>\n\n\n\n\n\n\n\n
Column-A<\/strong><\/td>\nColumn-B<\/strong><\/td>\n<\/tr>\n
(a) Fish<\/td>\n(i) Spiracles<\/td>\n<\/tr>\n
(b) Frog<\/td>\n(ii) Lungs<\/td>\n<\/tr>\n
(c) human beings<\/td>\n(iii) Lungs and skin<\/td>\n<\/tr>\n
(d) Cockroaches<\/td>\n(iv) Gills<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\nAnswer<\/span><\/summary>\n\n\n\n\n\n\n\n
Column-A<\/strong><\/td>\nColumn-B<\/strong><\/td>\n<\/tr>\n
(a) Fish<\/td>\n(iv) Gills<\/td>\n<\/tr>\n
(b) Frog<\/td>\n(iii) Lungs and skin<\/td>\n<\/tr>\n
(c) human beings<\/td>\n(ii) Lungs<\/td>\n<\/tr>\n
(d) Cockroaches<\/td>\n(i) Spiracles<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/details>\n
\n

Question 3.<\/p>\n\n\n\n\n\n\n\n
Column-A<\/strong><\/td>\nColumn-B<\/strong><\/td>\n<\/tr>\n
(a) The air tubes of insects<\/td>\n(i) Stomata<\/td>\n<\/tr>\n
(b) Skeletal structures surrounding chest cavity<\/td>\n(ii) Diaphragm<\/td>\n<\/tr>\n
(c) Muscular floor of chest cavity<\/td>\n(iii) Ribs<\/td>\n<\/tr>\n
(d) Tiny pores on the surface of leaf<\/td>\n(iv) Trachea<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\nAnswer<\/span><\/summary>\n\n\n\n\n\n\n\n
Column-A<\/strong><\/td>\nColumn-B<\/strong><\/td>\n<\/tr>\n
(a) The air tubes of insects<\/td>\n(iv) Trachea<\/td>\n<\/tr>\n
(b) Skeletal structures surrounding chest cavity<\/td>\n(iii) Ribs<\/td>\n<\/tr>\n
(c) Muscular floor of chest cavity<\/td>\n(ii) Diaphragm<\/td>\n<\/tr>\n
(d) Tiny pores on the surface of leaf<\/td>\n(i) Stomata<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/details>\n
\n

Question 4.<\/p>\n\n\n\n\n\n\n\n
Column-A<\/strong><\/td>\nColumn-B<\/strong><\/td>\n<\/tr>\n
(a) An anaerobic organism<\/td>\n(i) Lungs<\/td>\n<\/tr>\n
(b) Small openings on the sides of the body of on insect<\/td>\n(ii) Nostrils<\/td>\n<\/tr>\n
(c) The respiratory organs of human beings<\/td>\n(iii) Spiracles<\/td>\n<\/tr>\n
(d) The openings through which we inhale<\/td>\n(iv) Yeast<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\nAnswer<\/span><\/summary>\n\n\n\n\n\n\n\n
Column-A<\/strong><\/td>\nColumn-B<\/strong><\/td>\n<\/tr>\n
(a) An anaerobic organism<\/td>\n(iv) Yeast<\/td>\n<\/tr>\n
(b) Small openings on the sides of the body of on insect<\/td>\n(iii) Spiracles<\/td>\n<\/tr>\n
(c) The respiratory organs of human beings<\/td>\n(i) Lungs<\/td>\n<\/tr>\n
(d) The openings through which we inhale<\/td>\n(ii) Nostrils<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/details>\n
\n

State the following statements are True or False:<\/span>
\nQuestion 1.
\nSmoking damages lungs.<\/p>\n

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

True<\/p>\n<\/details>\n

\n

Question 2.
\nDuring heavy exercise the breathing rate of a person slows down.<\/p>\n

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

False<\/p>\n<\/details>\n

\n

Question 3.
\nPlants carry out photosynthesis only during the day and respiration only at night.<\/p>\n

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

False<\/p>\n<\/details>\n

\n

Question 4.
\nFrogs breathe through their skin as well as lungs.<\/p>\n

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

True<\/p>\n<\/details>\n

\n

Question 5.
\nThe fish have lungs for respiration.<\/p>\n

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

False<\/p>\n<\/details>\n

\n

Question 6.
\nThe size of chest cavity increases during inhalation.<\/p>\n

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

False<\/p>\n<\/details>\n

\n

Question 7.
\nAir enters the lungs when diaphragm is pushed upwards.<\/p>\n

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

False<\/p>\n<\/details>\n

\n

Question 8.
\nThe respiratory organ of earthworm is wet skin.<\/p>\n

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

True<\/p>\n<\/details>\n

\n

Question 9.
\nAir exhaled has moisture.<\/p>\n

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

True<\/p>\n<\/details>\n

\n

Question 10.
\nThe respiratory organ of birds is mouth.<\/p>\n

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

False<\/p>\n<\/details>\n

\n

Question 11.
\nThe end products of aerobic respiration are carbon dioxide and water.<\/p>\n

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

True<\/p>\n<\/details>\n

\n

Question 12.
\nThe fish absorbs oxygen dissolved in water.<\/p>\n

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

True<\/p>\n<\/details>\n

\n

Question 13.
\nRoots takes up air from the air spaces present between the soil.<\/p>\n

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

True<\/p>\n<\/details>\n

\n

Question 14.
\nBreathing is a biochemical process.<\/p>\n

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

False<\/p>\n<\/details>\n

\n

Question 15.
\nEnzymes are involved in respiration.<\/p>\n

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

True<\/p>\n<\/details>\n

\n

Question 16.
\nThe ribs upwards during exhalation.<\/p>\n

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

False<\/p>\n<\/details>\n

\n

Question 17.
\nNormal rate of breathing per minute in an average adult person at rest is 15-18.<\/p>\n

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

True<\/p>\n<\/details>\n

\n

Question 18.
\nDuring heavy exercise, we get cramps in the legs due to the accumulation of alcohol.<\/p>\n

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

False<\/p>\n<\/details>\n

\n

Question 19.
\nIn cockroaches, air enters the body through spiracles.<\/p>\n

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

True<\/p>\n<\/details>\n

\n

Question 20.
\nTracheal system is found in insects.<\/p>\n

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

True<\/p>\n<\/details>\n

\n

Question 21.
\nYeast is an anaerobic organism.<\/p>\n

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

True<\/p>\n<\/details>\n

\n

Question 22.
\nCold water bath gives relief from cramps.<\/p>\n

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

False<\/p>\n<\/details>\n

\n

Question 23.
\nLung is main respiratory organ of mammals i.e. man, dog, elephant etc.<\/p>\n

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

True<\/p>\n<\/details>\n

\n

Question 24.
\nAnaerobic respiration is harmless.<\/p>\n

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

False<\/p>\n<\/details>\n

\n

Fill in the blanks:<\/span><\/p>\n

Question 1.
\n…………………. is a process of taking oxygen into the cells in order to break down simple food materials.<\/p>\n

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

Respiration<\/p>\n<\/details>\n

\n

Question 2.
\n…………………. is inhaling oxygen and exhaling carbon dioxide.<\/p>\n

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

Breathing<\/p>\n<\/details>\n

\n

Question 3.
\nThe process of break down of food in the cell with the release of energy is called ………………….<\/p>\n

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

cellular respiration<\/p>\n<\/details>\n

\n

Question 4.
\nWhen the process of respiration takes place in the presence of oxygen is called ………………….<\/p>\n

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

aerobic respiration<\/p>\n<\/details>\n

\n

Question 5.
\nWhen the process of respiration takes place absence of oxygen, it is called ………………….<\/p>\n

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

anaerobic respiration<\/p>\n<\/details>\n

\n

Question 6.
\n…………………. are organism such as yeast that can survive in the absence of air.<\/p>\n

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

Anaerobic<\/p>\n<\/details>\n

\n

Question 7.
\n…………………. are respiratory organs of the fish.<\/p>\n

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

Gills<\/p>\n<\/details>\n

\n

Question 8.
\nGiving out of air rich in carbon dioxide is known as ………………….<\/p>\n

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

exhalation<\/p>\n<\/details>\n

\n

Question 9.
\nThe taking in of air rich in oxygen into the body is called ………………….<\/p>\n

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

inhalation<\/p>\n<\/details>\n

\n

Question 10.
\nThe number of types a person breathes in a minute is termed as the ………………….<\/p>\n

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

breathing rate<\/p>\n<\/details>\n

\n

Question 11.
\n…………………. is a part of respiration.<\/p>\n

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

Breathing<\/p>\n<\/details>\n

\n

Question 13.
\nEnergy is stored in food and gets released during ………………….<\/p>\n

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

respiration<\/p>\n<\/details>\n

\n

Question 14.
\n…………………. is a vital biological process.<\/p>\n

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

Respiration<\/p>\n<\/details>\n

\n

Question 15.
\nSmoking damages ………………….<\/p>\n

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

lungs<\/p>\n<\/details>\n

\n

Question 16.
\nCramp in legs are due to formation of …………………. acid.<\/p>\n

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

lactic<\/p>\n<\/details>\n

\n

Question 17.
\n…………………. of nose prevents the passage of smoke, dust inside the body.<\/p>\n

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

Hairs<\/p>\n<\/details>\n

\n

Hope the information shared regarding the NCERT MCQ Questions for Class 7 Science Chapter 10 Respiration in Organisms 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 Respiration in Organisms MCQs Multiple Choice Questions with Answers is missing do reach us and we will look into it and add it accordingly.<\/p>\n","protected":false},"excerpt":{"rendered":"

Students are advised to practice the NCERT MCQ Questions for Class 7 Science Chapter 10 Respiration in Organisms 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 Respiration in Organisms Class 7 MCQs Questions with Answers …<\/p>\n

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