(MCQ) IAS PRE GS Online Coaching : General Science - "The Circulatory System"
Sample Material of Our Online Coaching Programme
(MCQ) General Science: The Circulatory System
1. Consider the following statements.
(i) Vertebrates and a few invertebrates have a
closed circulatory system.
(ii) Close circulatory systems have blood closed
at all times within vessels.
(iii) Human circulatory system is called the
cardiovascular system.
Which of the above are correct?
- i & ii
- ii & iii
- iii only
- All of the above
2. Consider the following statements regarding open circulatory system.
(i) In the open circulatory system blood flows
into hemocoel with blood diffusing back to the cells.
(ii) Blood flow is sluggish.
(iii) Insects, mollusks & other invertebrates
have an open system.
Which of the above are incorrect?
- i & iii
- ii & iii
- None of the above
- i only
3. Consider the following statements.
(i) Arteries are blood vessels that carry blood
away from the heart.
(ii) Aorta is the main artery leaving the heart.
(iii) Pulmonary artery is the only artery that
carriers oxygen rich blood.
Which of the above are false?
- i & ii
- ii & iii
- iii only
- i only
4. Consider the following statements.
(i) Arterioles are small arteries that connect
larger arteries with capillaries.
(ii) Small arterioles branch into collection of
capillaries known as capillary beds.
(iii) Capillary are thin walled blood vessels in
which gas exchange occurs.
Which of the above are true?
- i & ii only
- ii & iii only
- i, ii & iii
- None of the above