1
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Following changes occur during the successive seral stages of ecological succession EXCEPT _______

A

change in the diversity of species of organism.

B

decrease in total biomass.

C

increase in total biomass.

D

increase in the number of species and organisms.

2
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the time duration required for completion of one PCR Cycle?

A

1 to 2 minutes

B

3 to 4 minutes

C

5 to 6 minutes

D

7 to 8 minutes

3
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Gland which was considered vestigial but later found to produce melatonin is _________

A

Thyroid gland

B

Pineal gland

C

Pituitary gland

D

Parathyroid gland

4
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Stomatal transpiration takes place during day time in the following plants EXCEPT __________

A

lotus

B

mango

C

grass

D

cactus