capicitor

Question 1

Which of the following gene expression regulation mechanism found in prokaryotes but not in eukaryotes?
Options:
1.
Splicing
2.
Lac operon
3.
Tailing
4.
Transcription factors

Answer 1

Your answer: 4Correct answer: 2

Question 2

Extinction due to catastrophs, is example of :-
Options:
1. Natural extinction
2. Mass extinction
3. Anthropogenic extinction
4. All of the above

Answer 2

mass extinction

Question 3

Question 100:
Which of the following radioactive isotope was employed by calvin for tracing the path of carbon in photosynthesis?
Options:
1.
C13
2.
C14
3.
O18
4.
P35

Answer 3

2

Question 4

Question 115:
At the time of secondary growth in dicot stem, cork cambium is developed from :-
Options:
1.
Cortex region

Answer 4

1