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

A sequence of three nucleotides in mRNA is called.

Question # 2

RNA polymerase II synthesize.

Question # 3

V-shaped chromosomes are called.

Question # 4

Which one of the following is initiation codon.

Question # 5

Transfer of genetic material from one cell to other that can alter the genetic make up of recipient cell is called.

Question # 6

The stand which elongates towards the replication fork is.

Question # 7

Which one is non-directed orientation?

Question # 8

In the double helix of DNA adenine forms two hydrogen bonds with

Question # 9

This condition appears as a result of point mutation.

Question # 10

Human cells have 46 chromosomes consisting of

Question # 11

The no of chromosome in mouse is

Question # 12

In 1953 Watson and Crick proposed structure of the

Question # 13

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

Question # 14

Pentose sugar in the molecule of DNA is

Question # 15

Which one of the given is non sense codon.

Question # 16

Chromosomal part which uncoils, during inter phase is called.

Question # 17

Trial and error learning has no role in

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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 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
2 Which of the following polymerase synthesize tRNA.
A. RNA Polymerase -I
B. RNA Polymerase -III
C. RNA Polymerase -II
D. DNA Polymerase
3 Which one of the following is initiation codon.
A. AUG
B. GUA
C. UGA
D. GAC
4 Anti codes present on
A. mRNA
B. tRNA
C. rRNA
D. DNA
5 Trial and error learning has no role in
A. Operant learning
B. Classical conditioning
C. Insight
D. Imprinting
6 Which of the following is a 'start' codon
A. AUG
B. UAG
C. UAA
D. UGA
7 The number of chromosomes in frog is
A. 52
B. 26
C. 13
D. 7
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 This condition appears as a result of point mutation.
A. Down syndrome
B. Turner syndrome
C. Sickel cell Anaemia
D. Klinefelter syndrome
10 How many million nucleotides are in DNA of typical human chromosome
A. 140
B. 160
C. 180
D. 200

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