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

Every 200 nucleotides the DNA duplex is coiled around a core of eight histone proteins forming a complex known as a

Question # 2

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

Question # 3

Human cells have 46 chromosomes consisting of

Question # 4

The stand which elongates towards the replication fork is.

Question # 5

The copping of mRNA from DNA is called.

Question # 6

Pentose sugar in the molecule of DNA is

Question # 7

Chromosomal theory of inheritance was first formulated by.

Question # 8

Which of the following is a non sense codon.

Question # 9

In 1953 Watson and Crick proposed structure of the

Question # 10

Which of the following is a 'start' codon

Question # 11

Adenine and guanine are called

Question # 12

V-shaped chromosomes are called.

Question # 13

Human cells contain types of tRNA molecules.

Question # 14

Okazaki fragments are about 1000 - 2000 nucleotides long in

Question # 15

Which of the following polymerase synthesize tRNA.

Question # 16

DNA was discovered in

Question # 17

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

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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 Advantage of pecking orders is to:
A. Avoids injury to the strong animals
B. Protect territory
C. Find suitable mate
D. Assign specific role to individual subordinates
2 Human cells have 46 chromosomes consisting of
A. 20 pairs
B. 21 pairs
C. 22 pairs
D. 23 pairs
3 The genetic code for glycine is.
A. UAG
B. GAU
C. GUA
D. GGU
4 Origin site of replication is one in
A. Prokaryotes
B. Eukaryotes
C. None of these
D. Both a & b
5 Which of the following is a non sense codon.
A. UGA
B. UGG
C. AUG
D. AUC
6 All the 64 codons were tested by
A. Marshall Nirenberg
B. Philip Leader
C. Har Gobind Khorana
D. All a,b,and,c
7 The particular array of chromosomes that an individual possesses called its.
A. Genotype
B. Phenotype
C. epistasis
D. Karvotype
8 Amino acid attachment site of tRNA is.
A. G-end
B. 2' -end
C. 3'- end
D. 5' -end
9 Walter Fleming first discovered chromosomes in the dividing cells of.
A. Frog larvae
B. Sea urchin larvae
C. Insect larvae
D. Salamander larvae
10 The base pairs in human genome are.
A. Two billion
B. Three billion
C. Four billion
D. Five billion

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    12 Dec 2017

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    great opportunity to become something

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