capicitor Flashcards

1
Q
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
A

Your answer: 4Correct answer: 2

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

mass extinction

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3
Q
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
A

2

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4
Q
Question 115:
At the time of secondary growth in dicot stem, cork cambium is developed from :-
Options:
1.
Cortex region
A

1

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