Second Year Biology Chapter 20 Online MCQ Test for 2nd Year Biology Chapter 20 Chromosomes and DNA Preparation

FSC Part 2 Biology
Chapter 20 Test

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Biology FSC Part 2 Chapter 20 Online MCQ's Test

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Question # 1

Every gene starts with initiation codon AUG which encodes for the amino acid.

Question # 2

In 1882, chromosomes were first observed by.

Question # 3

Which one of the given is non sense codon.

Question # 4

RNA polymerase II synthesize.

Question # 5

Advantage of pecking orders is to:

Question # 6

Trial and error learning has no role in

Question # 7

32P and 35S labeled viruses were used in his experiments by

Question # 8

In 1953 Watson and Crick proposed structure of the

Question # 9

Every 200 nucleotides the DNA duplex is coiled around a core of eight histone proteins forming a complex known as a

Question # 10

Amino acid attachment site of tRNA is.

Question # 11

Each tRNA has a sequence of three bases called anticodon which is complementary to codon of

Question # 12

Innate behavior is all except;

Question # 13

Chromosomes appear inside the nucleus at the time of.

Question # 14

No of chromosomes in Honey bee are.

Question # 15

Which strand of DNA is transcribed.

Question # 16

Unlike most proteins, histones are.

Question # 17

Human cells have 46 chromosomes consisting of

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FSC Part 2 Biology Chapter 20 Online Test MCQ's

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FSc Part II Biology Chapter 0 Important MCQ's

Sr.# Question Answer
1 A central role for chromosomes in heredity was first suggested in 1900 by.
A. Karl correns
B. W. Sutton
C. F. Griffiths
D. T.H.Morgan
2 Anti codes present on
A. mRNA
B. tRNA
C. rRNA
D. DNA
3 Walter Fleming first discovered chromosomes in the dividing cells of.
A. Frog larvae
B. Sea urchin larvae
C. Insect larvae
D. Salamander larvae
4 The copping of mRNA from DNA is called.
A. Translation
B. Transduction
C. Transcription
D. Transformation
5 Which one of the following is initiation codon.
A. AUG
B. GUA
C. UGA
D. GAC
6 The number of nucleotides in the DNA of a typical human chromosome is about
A. 10 Million
B. 40 million
C. 80 million
D. 140 million
7 In 1944 Oswald Avery along with Colin Macleod and Maclyn McCarty repeated experiments of
A. Lamarck
B. Griffith
C. Darwin
D. Spemann
8 In sickle cell anemia disease, a single thymine is replaced with an adenine in the DNA that codes for.
A. Valine
B. Glycine
C. Histidine
D. Glutamic acid
9 Chromosomes appear inside the nucleus at the time of.
A. Cell division
B. Cell maturation
C. Cell elongation
D. Cell differentiation
10 The number of chromosomes in frog is
A. 52
B. 26
C. 13
D. 7

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  • Keval

    Keval

    12 Dec 2017

    Hi

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  • Asan rao

    Asan rao

    10 Dec 2016

    great opportunity to become something

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