CSIR NET 2024 Life Science Previous Year Paper (26-July-2024) (Shift-1)

Question 1

In humans, if both parents are of blood group AB, then, there is a 1/4 probability that their offspring will be of blood group A, and 1/2 probability that the offspring will be of blood group AB. If the couple have three children, what is the probability that NONE of the children will be of blood group A or AB?

Accepted Answer

1/64

Answer

1/4

Answer

3/4

Answer

63/64

Question 2

The growth model for a population is Nₜ = N₀eʳᵗ where Nₜ is the population at time t, N₀ is the initial population and r is the per capita growth rate. How long as it take for the population numbers to double?

Accepted Answer

(ln 2)/r

Answer

2/r

Answer

1/(r ln 2)

Answer

1/r

Question 3

The chart shows forest cover as percentages of total areas of 6 countries over the period 1990-2022 and their land areas (in million km²). The maximum change in forest area in absolute terms among these countries took place in

Accepted Answer

China

Answer

Tanzania

Answer

Russian Federation

Answer

India

Question 4

Among five girls standing side by side, Leela has exactly one girl to her left, Alice is just right of Prerna, and there are at least two girls between Radha and Zarina. The girl in the middle is

Accepted Answer

Prerna

Answer

Alice

Answer

Leela

Answer

Zarina

Question 5

A group of 54 boys and girls was made to stand in a queue as follows: a boy at the start was followed by a girl, then a boy followed by 2 girls, then a boy followed by 3 girls, and so on. The number of boys in the group was

Accepted Answer

9

Answer

8

Answer

10

Answer

27

CSIR NET 2024 Life Science Previous Year Paper (26-July-2024) (Shift-1)

CSIR NET 2025 Mathematical Science Mock Test Series

CSIR UGC NET Physical Sciences 2024 Mock Test Series

CSIR UGC NET Life Sciences 2025 Mock Test Series