Free Molecular Basis Of Inheritance (Daily Quiz: 3) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

DNA has two strands which are ________ to each other.

(a) Complementary

(b) Supplementary

(c) Opposite

(d) Perpendicular

Question-2

Transcription in prokaryotic cell is :

(a) initiated at a start codon with the help of initiation factors and the small subunit of the ribosome.

(b) initiated at a promoter using one of three RNA polymerases (RNA polymerase II).

(c) initiated at a promoter and uses only one strand of DNA, the template strand, to synthesize a complementary RNA strand.

(d) is terminated at stop codons.

Question-3

The amino acid attaches to the tRNA at its

(a) 3' -end

(b) 5' - end

(c) anti codon site

(d) DHU loop

Question-4

What is the difference between adenosine and deoxyadenosine?

(a) Only purine

(b) Only sugar

(c) Only phosphate

(d) All of these

Question-5

The telomeres of eukaryotic chromosomes consist of short sequences of

(a) cytosine rich repeats

(b) thymine rich repeats

(c) adenine rich repeats

(d) guanine rich repeats