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Olympiad Test: Respiration In Organisms -2


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10 Questions MCQ Test Science Olympiad Class 7 | Olympiad Test: Respiration In Organisms -2

Olympiad Test: Respiration In Organisms -2 for Class 7 2022 is part of Science Olympiad Class 7 preparation. The Olympiad Test: Respiration In Organisms -2 questions and answers have been prepared according to the Class 7 exam syllabus.The Olympiad Test: Respiration In Organisms -2 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 -2 below.
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Olympiad Test: Respiration In Organisms -2 - Question 1

In most unicellular organisms

Olympiad Test: Respiration In Organisms -2 - Question 2

Alcohol is the product of  

Olympiad Test: Respiration In Organisms -2 - Question 3

Which of the following forms the floor of the chest cavity?

Olympiad Test: Respiration In Organisms -2 - Question 4

In the given figure, diaphragm is represented by 

Olympiad Test: Respiration In Organisms -2 - Question 5

What happens to the lime water, when we exhale air into it?

Olympiad Test: Respiration In Organisms -2 - Question 6

Which of the following animals breathe through their skin and lungs?

Detailed Solution for Olympiad Test: Respiration In Organisms -2 - Question 6

Fishes use a specialized organ called gills to breathe. They use the oxygen dissolved in water. Some animals which live on land have skin which is so thin that gases can easily pass through it. For example, Earthworms and amphibians have a skin which is permeable to gases. Earthworms do not have lungs and breathe only through their skin. Most amphibians breathe through both skin and lungs. The frog is an amphibian. So, the answer is c.

Olympiad Test: Respiration In Organisms -2 - Question 7

In fishes gills are the respiratory organs, gills are projections of which of the following parts?

Olympiad Test: Respiration In Organisms -2 - Question 8

Which of the following statements is not correct?

Olympiad Test: Respiration In Organisms -2 - Question 9

The function of hair follicles inside the nose is

Olympiad Test: Respiration In Organisms -2 - Question 10

In man, nasal and oral cavities are separated by

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