Biology Gaseous Exchange Test Mcqs Online Preparation

Biology Gaseous Exchange Test Mcqs With Answers Online Preparation Start Below

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Question 1 of 15

1. Contracting of abdominal muscles causes the opening
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

2. The release of CO2 during photorespiration takes place inside
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

3. At respiratory surface steep diffusion gradient is maintained through
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

4. Lungs are spongy because of the presence of millions of
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. Breathing is a
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

6. Which of the following statement is incorrect about photorespiration?
A.
B.
C.
D.

Question 6 of 15

Question 7 of 15

7. Diameter of bronchioles is
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. Functional unit of the lungs is
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

9. Number of air sacs in most of the birds are
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

10. Oxygen content of fresh air is about
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

11. Total no. of spiracles present on the lateral sides of cockroach
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

12. The space between lungs and pleural membrane termed as
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

13. Amount of CO2 in 100 ml of venous blood is
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. In the glottis the mucous membrane is stretched across into two thin edged fibrous band called
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

15. Transport of CO2 as carboxy haemoglobin is
A.
B.
C.
D.

Question 15 of 15


 

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