Olympiad Test: Respiration In Organisms -1


20 Questions MCQ Test Science Olympiad Class 7 | Olympiad Test: Respiration In Organisms -1


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This mock test of Olympiad Test: Respiration In Organisms -1 for Class 7 helps you for every Class 7 entrance exam. This contains 20 Multiple Choice Questions for Class 7 Olympiad Test: Respiration In Organisms -1 (mcq) to study with solutions a complete question bank. The solved questions answers in this Olympiad Test: Respiration In Organisms -1 quiz give you a good mix of easy questions and tough questions. Class 7 students definitely take this Olympiad Test: Respiration In Organisms -1 exercise for a better result in the exam. You can find other Olympiad Test: Respiration In Organisms -1 extra questions, long questions & short questions for Class 7 on EduRev as well by searching above.
QUESTION: 1

The process by which gases are exchanged between the body and surrounding is called

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QUESTION: 2

Respiration is a/an ______ process.

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QUESTION: 3

The food material used to release energy in body cells is

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QUESTION: 4

Plants exchange gases through

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QUESTION: 5

Anaerobic respiration is also termed as

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QUESTION: 6

Fishes in aquarium are seen moving their mouth repeatedly because

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QUESTION: 7

In man, which of the following structures is analogous to the spiracles of cockroach?

Solution:

In man nostrils are analogus to spiracles, through nostrils air enters into nasal cavity. Nostrils consists of fine air and lined with mucus. Hair filters the air from dust particles. 

QUESTION: 8

To prevent the entry of food into the trachea, the opening is guarded by

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QUESTION: 9

Respiratory membrane should be

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Respiratory membrane should be semipermeable to allow exchange of gases.

QUESTION: 10

The narrowest and most numerous tubes of lungs are termed as

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QUESTION: 11

The bean - shaped cells of stomata are called  

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QUESTION: 12

The number of guard cells forming a stomata is

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QUESTION: 13

The actual site of gaseous exchange in respiratory system is

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The actual site of gaseous exchange in respiratory system is alveoli. Alveolus are richly supplied with blood capillaries permeable membrane which allows exchange of gases through it. 

QUESTION: 14

The trachea is prevented from collapsing by

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QUESTION: 15

In cockroach the tracheal system opens in the outside through

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QUESTION: 16

Which of the following diagram correctly illustrates the passage of oxygen in the respiratory system?

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QUESTION: 17

Gills are used for

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Gills are the respiratory organs in aquatic animals. Gills are richly supplied with blood vessels when water enters into the bronchial chamber dissolved oxygen from the water is absorbed.

QUESTION: 18

The short tube leading from the nose is

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QUESTION: 19

Air goes from pharynx to

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QUESTION: 20

Lactic acid accumulation leads to

Solution:

Lactic acid accumulation leads to muscle fatigue. It is also called as muscle cramp, due to the insufficient supply of oxygen. 

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