CSIR NET 2021 Life Science Prev. Yr. Paper (17-Feb-2022) (Shift 2)

Question 1

A 3 m long car goes past a 4 m long truck at rest on the road. The speed of the car is 7 m/s. The time taken to go past is

Accepted Answer

1 s

Answer

4/7 s

Answer

7/4 s

Answer

10/7 s

Question 2

Three strips of 10 m width each are placed along the equator (A1 ), the Tropic of Cancer (A2 ), and the Arctic Circle (A3 ), respectively. The relationship amongst the areas of the strips is

Accepted Answer

A 1 >  A 2  > A 3

Answer

A1 < A2 < A3

Answer

A 1 =  A 2  > A 3

Answer

A 1 >  A 2  = A 3

Question 3

Which of the following values is same as ${2^{{2^{{2^2}}}}}$ ?

Accepted Answer

216

Answer

26

Answer

28

Answer

2222

Question 4

A man starts his journey at 0100 hrs local time to reach another country at 0900 hrs local time on the same date. He starts a return journey on the same night at 2100 hrs local time, taking the same time to travel back to his original place. If the time zone of his country of visit lags by 10 hours, the duration for which the man was away from his place is

Accepted Answer

48 hours

Answer

20 hours

Answer

25 hours

Answer

36 hours

Question 5

The probability that a ticketless traveller is caught during a rip is 0.1. If the traveller makes 4 trips, the probability that he/she will be caught during at least one of the trips is:

Accepted Answer

1&hyphen;(0.9)4

Answer

(1&hyphen;0.9)4

Answer

1&hyphen;(1&hyphen;0.9)4

Answer

(0.9)4

CSIR NET 2021 Life Science Prev. Yr. Paper (17-Feb-2022) (Shift 2)

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