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Biology Class 11 Chapter 13 - Gaseous Exchange - Part 6
1.
__________ is much complex than hydra.
a) Respiratory
b) Glycolate
c) Oxygen
d) Earthwarm
2.
Tubernculosis
a) Cetaceans
b) Regulator of normal alveolar.
c) Mycobacterium
d) Carried as bicarbonate ions
3.
_________ is one of the most important metabolic activities of all organism.
a) Respiration
b) Photorespiration
c) Respiratory
d) Earthwarm
4.
One polypeptide chain with iron containing ring structure is myoglobin
a) Cetaceans
b) Regulator of normal alveolar.
c) Mycobacterium
d) Stores some oxygen
5.
Diffusion of oxygen in and Carbon dioxide out occurs
a) The muscles of the ribs are contracted
b) The muscle of the ribs are relaxed.
c) Voccal cords
d) Difference in partial pressure of the gases
6.
The main tracheal trunk in cockroach communicates with exterior by:
a) 8 pairs
b) 4 pairs
c) 10 pairs
d) 100 pairs
7.
Oxygen content of fresh air is about ________ml/lit.
a) 200
b) 100
c) 300
d) 400
8.
Cancer is basically malignant tumor
a) Muscle fibre
b) 20%
c) Sheet skeletal muscle
d) Corncinoma
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