Saturday, August 11, 2012

7th Respiration in animals and plants:CBSE Class VII MCQ Fiil in the blanks

Class VII Chapter –Respiration in Plants and animals: Fill in the blanks
1. Bacteria and fungi can respire --------------
Ans: Anaerobically
2. --------------is one- celled fungus and respires anaerobically toproduce alcohol
Ans: Yeast
3. The respiration which takes place in the absence of oxygen is called -------------------
Anaerobic respiration
4. Anaerobic respiration takes place in our skeletal muscles and produce --- alcohol
Ans: Ethyl
5. The respiration which takes place in the presence of oxygen is called ------------
Ans: Aerobic respiration
6. The process of oxidation of food to release energy  from absorb food in living cells is called ----------
Ans: respiration or cellular respiration.
7. In cockroaches air enters the body through  ------
8. During heavy exercise, we get cramps in the legs due to the accumulation of ---------
lactic acid            
9. As we breathe in, the diaphragm moves -------- and ribs move up or expands
10. Below the lungs is a strong, fl at sheet of muscle called --------
11. Each bronchus enters the lungs and divides into small tubes bronchioles which end up in air sacs called -------
12. The walls of alveoli are supplied with thin blood vessels called -------
13. Frogs breathe through their  -------- as well as their lungs.
14. during exhalation, the ribs moves ----, as the diaphragm moves up to its original place
Ans:  downward
15. In unicellular and smaller multicellular animal’s exchange of gas takes place by ---------
16. Exchange of gases takes place in insect through -------into trachea.
17. plants breathe through tiny pores in the leaves called ---------
Ans: stomata.

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