Question

25. Which of the following statements are true/false?

(i) In insects, circulating body fluids serve to distribute oxygen to tissues.

(ii) Yeasts respire aerobically, therefore, they are used to make wine and beer.
give explanation too.


(iii) CO2 concentration is more in alveolar air than in expired air.

(iv) On an average, an adult human being at rest breathes in and out 15-18 times in a minute. (v) Capacity of human lungs for air in a healthy person is 1500 ml.

(vi) Sneezing expels the foreign particles from the inhaled air

A. (i), (ii) & (v) are false, (iii), (iv) & (vi) re true

B. (i), (ii) & (iii) are false, (iv), (v) & (vi) re true

C. (ii) & (iv) are false, (i), (iii), (v) & (vi) are true

D. (ii) and (vi) are false, (i), (iii), (iv) and (v) are true

Answer 1

Explanation:

(1) true

(2)true

(5)true