Question

48) In plants, the end products of anaerobic respiration are CO2 and _________

a) ethanol

b) lactic acid

c) water

d) starch

49) Aerobic respiration takes place in

a) cytoplasm

b) mitochondria

c) both (a) and (b)

d) lungs

50) Which of the following parts of plants perform respiration?

a) Roots

b) Stem

c) Leaves

d) All of these

51) In woody plants, respiratory gaseous exchange in stems takes place through

a) stomata

b) lenticels

c) both (a) and (b)

d) specific tissues

52) Respiration in amoeba occurs through

a) gills

b) pseudopodia

c) cell membrane

d) vacuole

53) Earworm respires through

a) trachea

b) lungs

c) skin

d) cilia

54) Which of the following organisms does not use gills for respiration?

a) Fish

b) Euglena

c) Prawn

d) Crab

55) _________ use gills for respiration

a) Paramoecium

b) Earthworm

c) Euglena

d) Sepia

56) _________ prevents food from entering trachea

a) Glottis

b) Epiglottis

c) Mucous

d) Pharynx

57) ____________ plays an important role in breathing

a) Diaphragm

b) Alveoli

c) Trachea

d) Glottis​

Answer 1

Answer:

48 -b

49-a

50-d

51-c

52-d

53-c

54-b

55-b

56-a

57-b

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Answer 2

Answer:

I think it

1.C

2.D

3.D

4.B

5.C

6.C

7.D

8.C or D

9.D

10.A

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