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

In 1953 Watson and Crick proposed structure of the

Question # 2

How many million nucleotides are in DNA of typical human chromosome

Question # 3

Origin site of replication is one in

Question # 4

Advantage of pecking orders is to:

Question # 5

The base pairs in human genome are.

Question # 6

DNA changes are called mutations and the organisms that have undergone such changes are called

Question # 7

All the 64 codons were tested by

Question # 8

The genetic code for glycine is.

Question # 9

The copping of mRNA from DNA is called.

Question # 10

Which one of the following is initiation codon.

Question # 11

A chromosome with equal length of its arms.

Question # 12

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

Question # 13

Morphological characteristics of chromosome are collectively called.

Question # 14

Which of the following is a non sense codon.

Question # 15

No of chromosomes in Honey bee are.

Question # 16

Innate behavior is all except;

Question # 17

Chromosomal theory of inheritance was first formulated by.

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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 V-shaped chromosomes are called.
A. Acrocentric
B. Metacentric
C. Telocentric
D. submetacentric
2 Which of the following is a 'start' codon
A. AUG
B. UAG
C. UAA
D. UGA
3 Origin site of replication is one in
A. Prokaryotes
B. Eukaryotes
C. None of these
D. Both a & b
4 Histones are positively charged due to an abundance of the basic amino acids
A. Arginine
B. Lysine
C. Both a & c
D. Alanine
5 Chromosomal part which uncoils, during inter phase is called.
A. Chromatids
B. Satellite DNA
C. Euchromatin
D. Heterochromatin
6 In sickle cell anemia code for glutamic acid is replaced by.
A. Leucine
B. Valine
C. Proline
D. Histidine
7 Which strand of DNA is transcribed.
A. coding strand
B. Sense strand
C. Antisense strand
D. Conservative strand
8 Each tRNA has a sequence of three bases called anticodon which is complementary to codon of
A. rRNA
B. tRNA
C. mRNA
D. snRNA
9 Chromosomes appear inside the nucleus at the time of.
A. Cell division
B. Cell maturation
C. Cell elongation
D. Cell differentiation
10 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

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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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