(MCQ) IAS PRE GS Online Coaching : General Science - "The Excretory System"
Sample Material of Our Online Coaching Programme
(MCQ) General Science: The Excretory System
1. Consider the following statements.
(i) Anemia is very toxic exerted by marine
animals.
(ii) Amphibians secrete urea from the liver.
(iii) Birds & insects secrete uric acid.
Which of the above are incorrect?
- i & ii only
- ii only
- iii only
- None of the above
2. Consider the following statements
(i) Osmo regulation is a state faced by aquatic
animals.
(ii) Such animals are known as Osmoconformers.
(iii) There is little water transport between
inside of the animals & isotonic outside environment.
Which of the above are correct?
- i & ii only
- ii only
- All of the above
- ii & iii only
3. Consider the following statements:
(i) All vertebrates have Paired Kidneys.
(ii) Excretion is not the primary function of
kidney.
(iii) Kidneys regulate body fluids & remove
waste.
Which are correct?
- i & ii only
- ii & iii only
- iii only
- None
4. Consider the following statements:
(i) Aldosteron a hormone is secreted by kidney
(ii) Aldosteron is released in the blood when
sodium level falls.
(iii) Renin is released to control aldostrone .
Which of the above are true?
- i & ii only
- ii & iii only
- i only
- All of the above