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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MCQ's Test For Chapter 0 "Biology FSC Part 2 Chapter 20 Online MCQ's Test"

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Biology FSC Part 2 Chapter 20 Online MCQ's Test

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Question # 1

Chromosomes appear inside the nucleus at the time of.

Question # 2

Which one of the following is initiation codon.

Question # 3

The number of nucleotides in the DNA of a typical human chromosome is about

Question # 4

Okazaki fragments are about 1000 - 2000 nucleotides long in

Question # 5

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

Question # 6

Human cells contain types of tRNA molecules.

Question # 7

This condition appears as a result of point mutation.

Question # 8

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

Question # 9

The no of chromosome in mouse is

Question # 10

Human cells have 46 chromosomes consisting of

Question # 11

Which one is non-directed orientation?

Question # 12

The copping of mRNA from DNA is called.

Question # 13

Origin site of replication is one in

Question # 14

Adenine and guanine are called

Question # 15

Unlike most proteins, histones are.

Question # 16

Which one of the given is non sense codon.

Question # 17

Innate behavior is all except;

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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 Okazaki fragments are about 1000 - 2000 nucleotides long in
A. Prokaryotes
B. Eukaryotes
C. Both a & b
D. None of these
2 A combination of three nucleotides of DNA that specifies as amio acid is called.
A. Cistron
B. Anticodon
C. Genetic code
D. Entron
3 No of chromosomes in Honey bee are.
A. 6
B.
20
C. 32
D. 40
4 This condition appears as a result of point mutation.
A. Down syndrome
B. Turner syndrome
C. Sickel cell Anaemia
D. Klinefelter syndrome
5 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
6 Anti codes present on
A. mRNA
B. tRNA
C. rRNA
D. DNA
7 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
8 Histones are positively charged due to an abundance of the basic amino acids
A. Arginine
B. Lysine
C. Both a & c
D. Alanine
9 Which one is non-directed orientation?
A. Taxis
B. Kinesis
C. Tropism
D. Imprinting
10 In 1953 Watson and Crick proposed structure of the
A. RNA molecule
B. ATP molecule
C. DNA molecule
D. NAD molecule

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