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

The particular array of chromosomes that an individual possesses called its.

Question # 2

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

Question # 3

DNA was discovered in

Question # 4

The copping of mRNA from DNA is called.

Question # 5

Genetic code is a combination of 3 nucleotides in DNA which specify a particular

Question # 6

Which one of the given is non sense codon.

Question # 7

Chromosomes appear inside the nucleus at the time of.

Question # 8

Pentose sugar in the molecule of DNA is

Question # 9

Genetic code for the amino acid methionine is.

Question # 10

Chromosomal part which uncoils, during inter phase is called.

Question # 11

In 1953, F . Sanger described the sequence of amino acids of.

Question # 12

All the 64 codons were tested by

Question # 13

Walter Fleming first discovered chromosomes in the dividing cells of.

Question # 14

The no of chromosome in mouse is

Question # 15

V-shaped chromosomes are called.

Question # 16

Repeating units of DNA are called.

Question # 17

Histones are positively charged due to an abundance of the basic amino acids

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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 This condition appears as a result of point mutation.
A. Down syndrome
B. Turner syndrome
C. Sickel cell Anaemia
D. Klinefelter syndrome
2 Genetic code for the amino acid methionine is.
A. AUC
B. UGC
C. CGC
D. AUG
3 Each Okazaki fragment is synthesized by.
A. RNA Polymerase
B. DNA polymerase
C. DNA polymerase I
D. DNA polymerase III
4 In 1882, chromosomes were first observed by.
A. John Brown
B. T.H.Morgan
C. Walter fleming
D. Walther sutton
5 In prokaryote within promoter there are two binding sites TTGACA also called -35 sequence and TATAAT also called
A. -10 sequence
B. - 20 sequence
C. - 30 sequence
D. - 35 sequence
6 Innate behavior is all except;
A. Coded in DNA
B. Modified in individuals life span
C. Modified with species evolution
D. Programmed responses to external stimuli
7 The particular array of chromosomes that an individual possesses called its.
A. Genotype
B. Phenotype
C. epistasis
D. Karvotype
8 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
9 Each tRNA has a sequence of three bases called anticodon which is complementary to codon of
A. rRNA
B. tRNA
C. mRNA
D. snRNA
10 Which of the following polymerase synthesize tRNA.
A. RNA Polymerase -I
B. RNA Polymerase -III
C. RNA Polymerase -II
D. DNA Polymerase

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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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