Respiration in Organisms

Respiration in organisms Worksheet-7

Multiple-Choice Questions:

1. Which one of the followings is correct regarding larynx?

(a) It houses the vocal cords

(b) It is an organ made of cartilage and connects the pharynx to the trachea

(c)  It prevents foreign objects from entering the trachea

(d) All of them are correct

Respiration in organisms Worksheet-8

Multiple-Choice Questions:

11. Which of the following holds true for the given picture?

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(a) A=gills; B= filaments                  (b) A= filaments; B= gills

(c) A= fins; B= gills                           (d) A= filaments; B= capillaries