BREATHING FOR ENERGY

Question  paper discussion( Previous Year)

1.

Ans: Carbaminohaemoglobin

3. One mark

Ans: (a) stomata

         (b) diffusion

7. Two marks

Ans: ( a) Glucose+ Oxygen - carbon dioxide + water

(b) Energy is utilized in Photosynthesis and, it is released during cellular respiration.

8. Two marks

Ans: a) Presence of ‘C’ shaped cartilagenous rings in trachea.

b) Presence of Lenticels.

14, 15 and 16 : 3 marks

Ans: 

18. 3 marks

Ans: a) Krebs cycle

b) Cytoplasm

c)Stores in ATP molecules

19. 3 marks

Ans: No,carbon dioxide is transported through blood plasma,haemoglobin and RBC.

 Role of blood plasma and RBC is expelling carbon dioxide.