MH SET 2025 Paper 2 Life Sciences Question Paper (15-Jun-2025)

Question 1

DNA is supercoiled state can be relaxed by an enzymatic process. Which enzyme catalyses relaxation of supercoiled DNA?

Accepted Answer

Type-I topoisomerase

Answer

DNA helicase

Answer

DNA ligase

Question 2

Adaptive radiation produced numerous lineages from reptiles during chordate evolution. One of the following gave rise to mammals:

Accepted Answer

Therapsids

Answer

Plesiosaurus

Answer

Ichthyosaurus

Answer

Pterosaurus

Question 3

Which one of the following conditions is true for parthenogenesis?

Accepted Answer

Syngamy fails

Answer

Syngamy occurs

Answer

Gametogenesis fails

Answer

Gametogenesis occurs

Question 4

Which one produces highest isotope effect?

Accepted Answer

3H

Answer

14C

Answer

32P

Answer

35S

Question 5

Which of the following is critical for differentiation of bipotential gonads towards ovarian pathway?

Accepted Answer

Wnt 4

Answer

SOX 9

Answer

FGF 8

Answer

BMP 4