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

Which of the following is a 'start' codon

Question # 2

A strand of DNA, which is not transcribed is called as.

Question # 3

Unlike most proteins, histones are.

Question # 4

In 1882, chromosomes were first observed by.

Question # 5

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

Question # 6

Okazaki fragments are about 1000 - 2000 nucleotides long in

Question # 7

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

Question # 8

In sickle cell anemia disease, a single thymine is replaced with an adenine in the DNA that codes for.

Question # 9

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

Question # 10

Innate behavior is all but;

Question # 11

Advantage of pecking orders is to:

Question # 12

Which one is non-directed orientation?

Question # 13

Which one of the given is non sense codon.

Question # 14

In sickle cell anemia code for glutamic acid is replaced by.

Question # 15

Morphological characteristics of chromosome are collectively called.

Question # 16

The no of chromosome in mouse is

Question # 17

Highly condensed portions of the chromatin are called.

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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 chromosome with equal length of its arms.
A.
Acrocentric
B. Metacentric
C. sub meta centric
D. Telocentric
2 V-shaped chromosomes are called.
A. Acrocentric
B. Metacentric
C. Telocentric
D. submetacentric
3 Chromosomal theory of inheritance was first formulated by.
A. Karl Correns
B. T.H.Morgan
C. W. Sutton
D. Carvin Bridges
4 Okazaki fragments are about 1000 - 2000 nucleotides long in
A. Prokaryotes
B. Eukaryotes
C. Both a & b
D. None of these
5 Each Okazaki fragment is synthesized by.
A. RNA Polymerase
B. DNA polymerase
C. DNA polymerase I
D. DNA polymerase III
6 Which one is non-directed orientation?
A. Taxis
B. Kinesis
C. Tropism
D. Imprinting
7 The particular array of chromosomes that an individual possesses called its.
A. Genotype
B. Phenotype
C. epistasis
D. Karvotype
8 The base pairs in human genome are.
A. Two billion
B. Three billion
C. Four billion
D. Five billion
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 A gene with initiation codon, which encodes the amino acid methionine is.
A. UAA
B. UAG
C. AUG
D. UGG

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