B:-miRNA can do translation suppression as well as gene silencing
C:-It is possible to synthesize final MRNA from two different primary transcripts
D:-None of the above
Correct Answer:- Option-D
Question37:-ATP hydrolysis is essential to initiate transcription of
A:-Pre-rRNAs by Polymerase |
B:-mRNAs by Polymerase II
C:-t-RNA by Polymerase III
D:-5S rRNA by Polymerase III
Correct Answer:- Option-B

Question38:-Expression of genes responsible for human ABO blood grouping
system do not show

A:-Incomplete dominance
B:-Multiple allelism
C:-Co-dominance
D:-None of the above
Correct Answer:- Option-A

Question39:-"If one of the parent has this disease, then each off spring has a 50-50
chance for developing the disease and will manifest the disease symptoms." The
statement is true for which among the following single gene disorders in man

A:-Huntington's disease
B:-Cystic fibrosis

C:-Sickle cell anaemia
D:-Galactosemia
Correct Answer:- Option-A

Question40:-Cri du chat syndrome characterized by high pitched voice,
microcephaly, round face with wide set eyes and broad-based nose is the result of

A:-Extra material of chromosome 12

B:-Paracentric inversion of chromosome 9

C:-Robertsonian translocation between chromosomes 13 and 14
D:-Deletion of the end of short arm of chromosome 5

Correct Answer:- Option-D

Question41:-Which of the following statement(s) is/are incorrect about growth
curve?
(i) In the S-shaped growth pattern, self-limiting or self-crowding negative feedback
increases

the rate of growth as density increases.
(ii) The sigmoid growth form becomes a convex curve showing how growth rate
decreases with