NEET-UG SERIES Biology
Excretory System
3 previous year questions.
Volume: 3 Ques
Yield: Medium
High-Yield Trend
2
2024 1
2020 Chapter Questions 3 MCQs
01
PYQ 2020
medium
biology ID: neet-ug-
Match the following columns and select the correct option.
| Column I | Column II | ||
| a | 6- 15 pairs of gill slits | i | Trygon |
| b | Heterocercal caudal fin | ii | Cyclostomes |
| c | Air Bladder | iii | Chondrichthyes |
| d | Poison sting | iv | Osteichthyes |
1
a- (ii) b-(iii) c-(iv) d- (i)
2
a-(iii)b- (iv)c- (i)d- (ii)
3
a-(iv) b-(ii)c- (iii) d-(i)
4
a- (i) b-(iv) c-(iii)d- (ii)
02
PYQ 2024
medium
biology ID: neet-ug-
Given below are two statements:
Statements I: Concentrated urine is formed due to counter current mechanism in nephron.
Statement II: Counter current mechanism helps to maintain osmotic gradient in the medullary interstitium.
In the light of the above statements, choose the most appropriate answer from the options given below.
Statements I: Concentrated urine is formed due to counter current mechanism in nephron.
Statement II: Counter current mechanism helps to maintain osmotic gradient in the medullary interstitium.
In the light of the above statements, choose the most appropriate answer from the options given below.
1
Statement I is correct but Statement II is incorrect.
2
Statement I is incorrect but Statement II is correct.
3
Both Statement I and Statement II are correct.
4
Both Statement I and Statement II are incorrect.
03
PYQ 2024
medium
biology ID: neet-ug-
Diuresis is prevented by:
1
Renin from JG cell via switching off the osmoreceptors
2
ANF from adrenal medulla
3
Aldosterone from adrenal medulla
4
Vasopressin from Neurohypophysis