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 to produce 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 ------
Spiracles
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
Downward
10. Below the lungs is a strong, fl at sheet of muscle
called --------
Diaphragm.
11. Each bronchus enters the lungs and divides into small
tubes bronchioles which end up in air sacs called -------
Alveoli
12. The walls of alveoli are supplied with thin blood
vessels called -------
Capillaries
13. Frogs breathe through their -------- as well as their lungs.
skins
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 ---------
Diffusion
16. Exchange of gases takes place in insect through
-------into trachea.
Spiracles
17. plants breathe through tiny pores in the leaves called
---------
Ans: Stomata.
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