Respiration

1. Name the cell organelle known as power house of the cell?
|A) Chloroplast        B) Mitochondria
C) Nucleus         D) Ribosome
Ans: B

2. The energy present in one ATP is .....
A) 7.2 Cal       B) 72 Cal        C) 720 Cal         D) 7200 Cal
Ans: D

3. In .......... cells, generally anaerobic respiration takes in the human beings.
A) Nerve tissue             B) Epithelial tissue          C) Muscle tissue          D) Cardiac tissue
Ans: C

4. Muscle fatigue/ pain in athletes due to ............
A) latic acid          B) hydrochloric acid          C) citric acid            D) sulphuric acid
Ans: A

5. Previously ................. is called as fixed air.
A) Oxygen          B) Carbon di oxide          C) Hydrogen          D) Nitrogen
Ans: B

6. Fill in the blanks (X, Y, and Z) in the pathway of air in human beings. Nostrils - nasal cavity - X - Y - trachea - bronchus - bronchioles - Z
A) X = Pharynx, Y = Larynx and Z = Alveoli
B) X = Larynx, Y = Pharynx and Z = Alveoli
C) X = Alveoli, Y = Larynx and Z = Pharynx
D) X = Pharynx, Y = Alveoli and Z = Larynx
Ans: A

7. ................... plays key role in the human’s respiration.
A) Epiglottis         B) Stomach        C) Diaphragm          D) Esophagus
Ans: C

8. In blood carbon di oxide is transported in the form of ..................
A) carbon di oxide             B) carbon monoxide
C) bicarbonates              D) carbonates
Ans: C
 

9. Tracheal system of respiration is present in ..........
A) Fish            B) Amphibians
C) Mammals           D) Arthropods
Ans: D

10. ................. respiration present in Fishes.
A) Cutaneous           B) Tracheal            C) Bronchial           D) Diffusion
Ans: C

11. In ................. living organisms, respiration takes place by diffusion.
A) Annelids          B) Platyhelmenthis
C) Protozoan’s          D) Porifera
Ans: C
 

12. Cutaneous respiration takes place in ............
A) Fish          B) Amphibians
C) Mammals         D) Arthropods
Ans: B

13. Gaseous exchange takes place in stems by ..............
A) stomata           B) pneumatophores
C) lenticels         D) hydathodes
Ans: C

14. Respiration is a type of ................
A) catabolism           B) anabolism
C) metabolism            D) A and C
Ans: D

15. We are talking because of ...................
A) epiglottis          B) diaphragm
C) pharynx             D) larynx
Ans: D

16. In plants, respiration takes place during ......
A) Night time         B) Day time
C) Day and night time          D) none
Ans: C

17. During 100 mts running race the athletes .............
A) respire very fastly           B) respire very slowly
C) holds their breathe            D) take normal breathe
Ans: C

18. ............ turns lime water in to milky white color.
A) Hydrogen           B) Oxygen
C) Carbon di oxide          D) Nitrogen
Ans: C

19. The special type roots in mangrove plants absorb ..........
A) Hydrogen          B) Oxygen
C) Carbon di oxide          D) Nitrogen
Ans: B
 

20. The end products in the yeast respiration are .....
A) Lactic acid + CO₂ + energy       B) Ethanol + CO₂ + energy
C) Water + CO₂ + energy            D) None
Ans: B