Respiration in Organisms Worksheet-1

Respiration in Organisms Worksheet-1

1. No energy is released during

(a) Exhalation                               (b) Inhalation

(c) Breathing                                 (d) All of these

2. The number of ATP molecules produced during anaerobic respiration is

(a) 20 molecules                           (b) 2 molecules

(c) 38 molecules                           (d) 382 molecules

3. The common passage for air and food in human is

(a) Larynx         (b) Trachea       (c) Pharynx       (d) Epiglottis

4. During inspiration, the ribcage moves

(a) Upward and outward           (b) Downward only

(c) Inward and downward         (d) Inward only

5. Gaseous exchange in plants takes place by

(a) Osmosis                                   (b) Diffusion

(c) Transpiration                          (d) Absorption

6. The food that provides us with instant energy is

(a) Starch          (b) Glucose        (c) Protein         (d) Fat

7. Exchange of gases takes place during

(a) Respiration                              (b) Circulation

(c) Breathing                                 (d) Transpiration

8. The end products of aerobic respiration are

(a) CO₂ and H­₂O + 38 ATP        (b) CO₂ and O₂ + 2ATP

(c) CO₂ and  glucose                    (d) CO₂ and H₂O + 2ATP

9. The right lung is

(a) Two lobed                                (b) one lobed

(c) Three lobed                             (d) No lobed

10. The average breathing rate in a new born baby is

(a) 50 per minute                         (b) 18 times per minute

(c) 12 times per minute               (d) 60 times per minute

11. The small air holes on the body surface of insects is called

(a) Tracheoles  (b) Spiracles     (c) Trachea       (d) Gills

Answer Key:

1. (c)
2. (b)
3. (c)
4. (a)
5. (d)
6. (b)
7. (c)
8. (a)
9. (c)
10. (d)
11. (b)