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

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

Question # 2

In 1953, F . Sanger described the sequence of amino acids of.

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

DNA was discovered in

Question # 7

Chromosomal theory of inheritance was first formulated by.

Question # 8

Chromosomes appear inside the nucleus at the time of.

Question # 9

Walter Fleming first discovered chromosomes in the dividing cells of.

Question # 10

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

Question # 11

RNA polymerase II synthesize.

Question # 12

Which of the following is a 'start' codon

Question # 13

The copping of mRNA from DNA is called.

Question # 14

Which one is non-directed orientation?

Question # 15

Repeating units of DNA are called.

Question # 16

A combination of three nucleotides of DNA that specifies as amio acid is called.

Question # 17

Chromosomal part which uncoils, during inter phase is 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 In 1953, F . Sanger described the sequence of amino acids of.
A. Myoglobin
B. Insulin
C. Keratin
D. Globulin
2 Pentose sugar in the molecule of DNA is
A. Ribose
B. Deoxyribose
C. Sucrose
D. Lactose
3 No of chromosomes in Honey bee are.
A. 6
B.
20
C. 32
D. 40
4 The number of chromosomes in frog is
A. 52
B. 26
C. 13
D. 7
5 The stand which elongates towards the replication fork is.
A. Leading
B. Lagging
C. Okazaki
D. Primer
6 Chromosomal part which uncoils, during inter phase is called.
A. Chromatids
B. Satellite DNA
C. Euchromatin
D. Heterochromatin
7 Walter Fleming first discovered chromosomes in the dividing cells of.
A. Frog larvae
B. Sea urchin larvae
C. Insect larvae
D. Salamander larvae
8 Which one of the following is initiation codon.
A. AUG
B. GUA
C. UGA
D. GAC
9 Which of the following is a non sense codon.
A. UGA
B. UGG
C. AUG
D. AUC
10 Anti codes present on
A. mRNA
B. tRNA
C. rRNA
D. DNA

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