| Direction: Each of these questions contains two statements |
| Assertion [A] and Reason [R]. Each of these questions also has four alternative choices, any one of which is the correct answer. You have to select one of the codes [a], [b], [c] and [d] given below. |
| Assertion [A] In eukaryotes, transcription occurs in nucleus. |
| Reason [R] In bacteria, transcription and translation occur in cytoplasm. |
A) Both A and R are true and R is the correct explanation of A
B) Both A and R are true, but R is not the correct explanation of A
C) A is true, but R is false
D) A is false, but R is true
Correct Answer: B
Solution :
[b] Both A and R are true, but R is not the correct explanation of A. In eukaryotes, transcription, i.e. synthesis of RNA from DNA, occurs inside nucleus, because the genetic material DNA is enclosed within the nucleus in eukaryotes. In prokaryotes like bacteria, the genetic material, DNA remains suspended within the cytoplasm. Thus, dn prokaryotes the processes of transcription and translation occur in cytoplasm.
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