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Olympiad Test: Respiration In Organisms -1


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

Olympiad Test: Respiration In Organisms -1 for Class 7 2022 is part of Science Olympiad Class 7 preparation. The Olympiad Test: Respiration In Organisms -1 questions and answers have been prepared according to the Class 7 exam syllabus.The Olympiad Test: Respiration In Organisms -1 MCQs are made for Class 7 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Respiration In Organisms -1 below.
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Olympiad Test: Respiration In Organisms -1 - Question 1

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

Olympiad Test: Respiration In Organisms -1 - Question 2

Respiration is a/an ______ process.

Olympiad Test: Respiration In Organisms -1 - Question 3

The food material used to release energy in body cells is

Olympiad Test: Respiration In Organisms -1 - Question 4

Plants exchange gases through

Olympiad Test: Respiration In Organisms -1 - Question 5

Anaerobic respiration is also termed as

Olympiad Test: Respiration In Organisms -1 - Question 6

Fishes in aquarium are seen moving their mouth repeatedly because

Olympiad Test: Respiration In Organisms -1 - Question 7

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

Detailed Solution for Olympiad Test: Respiration In Organisms -1 - Question 7

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. 

Olympiad Test: Respiration In Organisms -1 - Question 8

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

Olympiad Test: Respiration In Organisms -1 - Question 9

Respiratory membrane should be

Detailed Solution for Olympiad Test: Respiration In Organisms -1 - Question 9

Respiratory membrane should be semipermeable to allow exchange of gases.

Olympiad Test: Respiration In Organisms -1 - Question 10

The narrowest and most numerous tubes of lungs are termed as

Olympiad Test: Respiration In Organisms -1 - Question 11

The bean - shaped cells of stomata are called  

Olympiad Test: Respiration In Organisms -1 - Question 12

The number of guard cells forming a stomata is

Olympiad Test: Respiration In Organisms -1 - Question 13

The actual site of gaseous exchange in respiratory system is

Detailed Solution for Olympiad Test: Respiration In Organisms -1 - Question 13

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. 

Olympiad Test: Respiration In Organisms -1 - Question 14

The trachea is prevented from collapsing by

Olympiad Test: Respiration In Organisms -1 - Question 15

In cockroach the tracheal system opens in the outside through

Olympiad Test: Respiration In Organisms -1 - Question 16

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

Olympiad Test: Respiration In Organisms -1 - Question 17

Gills are used for

Detailed Solution for Olympiad Test: Respiration In Organisms -1 - Question 17

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.

Olympiad Test: Respiration In Organisms -1 - Question 18

The short tube leading from the nose is

Olympiad Test: Respiration In Organisms -1 - Question 19

Air goes from pharynx to

Olympiad Test: Respiration In Organisms -1 - Question 20

Lactic acid accumulation leads to

Detailed Solution for Olympiad Test: Respiration In Organisms -1 - Question 20

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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