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Biology Fsc Part 2 Chapter 6 Online Test MCQs With Answers
Question # 1
Human cells have 46 chromosomes consisting of
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20 pairs
21 pairs
22 pairs
23 pairs
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Question # 2
Which one of the following is initiation codon.
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AUG
GUA
UGA
GAC
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Question # 3
Trial and error learning has no role in
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Operant learning
Classical conditioning
Insight
Imprinting
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Question # 4
In 1953 Watson and Crick proposed structure of the
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RNA molecule
ATP molecule
DNA molecule
NAD molecule
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Question # 5
In the double helix of DNA adenine forms two hydrogen bonds with
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Thymine
Guanine
Cytosine
Uracil
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Question # 6
In prokaryote within promoter there are two binding sites TTGACA also called -35 sequence and TATAAT also called
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-10 sequence
- 20 sequence
- 30 sequence
- 35 sequence
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Question # 7
Genetic code is a combination of 3 nucleotides in DNA which specify a particular
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Amino acid
Fatty acid
Vitamin
Steriod
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Question # 8
Advantage of pecking orders is to:
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Avoids injury to the strong animals
Protect territory
Find suitable mate
Assign specific role to individual subordinates
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Question # 9
Chromosomal part which uncoils, during inter phase is called.
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Chromatids
Satellite DNA
Euchromatin
Heterochromatin
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Question # 10
V-shaped chromosomes are called.
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Acrocentric
Metacentric
Telocentric
submetacentric
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Question # 11
A sequence of three nucleotides in mRNA is called.
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Cistron
Codon
Anticodon
Templet
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Question # 12
Origin site of replication is one in
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Prokaryotes
Eukaryotes
None of these
Both a & b
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Question # 13
Each tRNA has a sequence of three bases called anticodon which is complementary to codon of
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rRNA
tRNA
mRNA
snRNA
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Question # 14
Which of the following polymerase synthesize tRNA.
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RNA Polymerase -I
RNA Polymerase -III
RNA Polymerase -II
DNA Polymerase
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Question # 15
Genetic code for the amino acid methionine is.
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AUC
UGC
CGC
AUG
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Question # 16
Chromosomal theory of inheritance was first formulated by.
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Karl Correns
T.H.Morgan
W. Sutton
Carvin Bridges
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Question # 17
The stand which elongates towards the replication fork is.
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Leading
Lagging
Okazaki
Primer
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