Question

The layer of blood vessel having smooth circular muscles is

A. Outer

B. Inner

C. Middle

D. Both B and C

Answer : Middle

Releted MCQ Question on
Zoology >> Breathing and Exchange of Gases

Releted Question 1

Select the correct events that occur during inspiration.
(i) Contraction of diaphragm
(ii) Contraction of external inter-costal muscles
(iii) Pulmonary volume decreases
(iv) Intra pulmonary pressure increases

A. (iii) and (iv)

B. (i), (ii) and (iv)

C. Only (iv)

D. (i) and (ii)

Releted Question 2

Select the correct statement.

A. Expiration is initiated due to contraction of diaphragm

B. Expiration occurs due to external intercostal muscles

C. Intrapulmonary pressure is lower than the atmospheric pressure during inspiration

D. Inspiration occurs when atmospheric pressure is less than intrapulmonary pressure

Releted Question 3

The maximum volume of air a person can breathe in after a forced expiration is known as :

A. Total lung capacity

B. Expiratory capacity

C. Vital capacity

D. Inspiratory capacity

Releted Question 4

Tidal volume and Expiratory reserve volume of an athlete is $$500\,mL$$ and $$1000\,mL$$ respectively. What will be his Expiratory capacity if the residual volume is $$1200\, mL?$$

A. $$1500\,mL$$

B. $$1700\,mL$$

C. $$2200\,mL$$

D. $$2700\,mL$$

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Breathing and Exchange of Gases

Practice More MCQ Question on Biology Section

Zoology Animal Kingdom Structural Organisation in Animals Biomolecules Digestion and Absorption Breathing and Exchange of Gases Body Fluids and Circulation Excretory Products and Their Elimination Locomotion and Movement Neural Control and Coordination Chemical Coordination and Integration Human Reproduction Reproductive Health Evolution Human Health and Diseases Biotechnology: Principles and Processes Biotechnology and its Applications Zoology Miscellaneous