Question

LUES
II Class
Biology Common Notes
During winter and summer sleeps frog respires through:
( )
A) gills
B) lungs
C) skin
D) none
The process of breathing out air is called :
A) expiration
B) inspiration
C) inhalation
D) none
The volume of oxygen in every 1000 ml. of inspired air is :
(
A) 210 ml.
B) 165 ml.
C) 790 ml.
D) 40 ml.
1. Why do the flaps on both sides of the fish head alternately open and close ?
A) To take in water B) To take in oxygen
C) To let the water out D) To release oxygen out
Respiration is not seen in :
A) sprouted seeds B) flowers and buds C) fruits
D) dry leaves
B. Which of the following is (are) the respiratory organs in tadpoles ?
)
A) Moist skin
B) Dry skin
C) Lungs
D) Gills
3. The respiratory organs in cockroach are :
( )
A) spiracles
B) trachea
C) both A and B D) none
1. Which of the following animal respires through skin ?
)
A) Earthworm
B) Frog
C) Salamander
D) All the above
5. In plants, lenticels are present on the surface of:
A) leaves
B) flowers
C) stem
D) none
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Answer 1

answer no b is none

answer no a is none