91.
The figure gives an important concept in the genetic implication of DNA. Fill the blanks A, B and C.
A
A - Francis Crick; B - translation; C - transcription
B
A - Maurice Wilkins; B - transcription; C - translation
C
A - James Watson; B - replication; C - extension
D
A - Erwin Chargaff; B - translation; C - replication
Answer :
A - Francis Crick; B - translation; C - transcription
92. Experimental material in the study of DNA replication has been
A
Escherichia coli
B
Neurospora crassa
C
Pneumococcus
D
Drosophila melanogaster
Answer :
Escherichia coli
93. The transforming principle of Pneumococus as found out by Avery, MacLeod and McCarty was
A
mRNA
B
DNA
C
protein
D
polysaccharide
Answer :
DNA
94. DNA template sequence of CTGATAGC is transcribed over mRNA as
A
GUCTUTCG
B
GACUAUCG
C
GAUTATUG
D
UACTATCU
Answer :
GACUAUCG
95. Types of RNA polymerase required in nucleus for RNA synthesis?
A
1
B
2
C
3
D
4
Answer :
3
96. The process of transfer of genetic information from DNA to RNA/formation of RNA from DNA is
A
transversion
B
transcription
C
translation
D
translocation
Answer :
transcription
97. Which antibiotic inhibits interaction between RNA and mRNA during bacterial protein synthesis?
A
Neomycin
B
Streptomycin
C
Tetracycline
D
Erythromycin
Answer :
Neomycin
98. During transcription holoenzyme RNA polymerase binds to a DNA sequence and the DNA assumes a saddle like structure at that point. What is that sequence called?
A
AAAT box
B
TATA box
C
GGTT box
D
CAAT box
Answer :
TATA box
99. Exon part of m- RNAs have code for
A
protein
B
lipid
C
carbohydrate
D
phospholipid
Answer :
protein
100. Extranuclear inheritance occurs in
A
peroxisome and ribosome
B
chloroplast and mitochondria
C
mitochondria and ribosome
D
chloroplast and lysosome
Answer :
chloroplast and mitochondria