Q72 of 367 Page 48

In cockroaches, air enters the body through:

A cockroach has small openings on the sides of the body called spiracles. Air enters the body though these external openings.

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70

One of the following organism does not depend on simple diffusion of gases for breathing and respiration. This organism is :

 71

During marathon, we sometimes get painful contractions of leg muscles due to the accumulation of one of the following in leg muscles. This is :

 73

Which of the following is most likely to have a much higher breathing rate?

 74

During the respiration of an organism A, 1 molecule of glucose produces 2 ATP molecules whereas in the respiration of another organism B, 1 molecule of glucose produces 38 ATP molecules.

(a) Which organism is undergoing aerobic respiration?


(b) Which organism is undergoing anaerobic respiration?


(c) Which type of organism, A or B, can convert glucose into alcohol?


(d) Name one organism which behaves like A


(e) Name two organisms which behave like B