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

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

Question # 2

The stand which elongates towards the replication fork is.

Question # 3

Which of the following is a non sense codon.

Question # 4

V-shaped chromosomes are called.

Question # 5

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

Question # 6

Chromosomal part which uncoils, during inter phase is called.

Question # 7

This condition appears as a result of point mutation.

Question # 8

The copping of mRNA from DNA is called.

Question # 9

Highly condensed portions of the chromatin are called.

Question # 10

In 1882, chromosomes were first observed by.

Question # 11

Adenine and guanine are called

Question # 12

Every gene starts with initiation codon AUG which encodes for the amino acid.

Question # 13

Each Okazaki fragment is synthesized by.

Question # 14

In prokaryote within promoter there are two binding sites TTGACA also called -35 sequence and TATAAT also called

Question # 15

A gene with initiation codon, which encodes the amino acid methionine is.

Question # 16

Morphological characteristics of chromosome are collectively called.

Question # 17

How many million nucleotides are in DNA of typical human chromosome

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FSc Part II Biology Chapter 0 Important MCQ's

Sr.# Question Answer
1 A gene with initiation codon, which encodes the amino acid methionine is.
A. UAA
B. UAG
C. AUG
D. UGG
2 All the 64 codons were tested by
A. Marshall Nirenberg
B. Philip Leader
C. Har Gobind Khorana
D. All a,b,and,c
3 Chromosomal part which uncoils, during inter phase is called.
A. Chromatids
B. Satellite DNA
C. Euchromatin
D. Heterochromatin
4 Which of the following polymerase synthesize tRNA.
A. RNA Polymerase -I
B. RNA Polymerase -III
C. RNA Polymerase -II
D. DNA Polymerase
5 Genetic code is a combination of 3 nucleotides in DNA which specify a particular
A. Amino acid
B. Fatty acid
C. Vitamin
D. Steriod
6 Repeating units of DNA are called.
A. Histones
B. Nucleosides
C. Nucleotides
D. Amino acids
7 Every gene starts with initiation codon AUG which encodes for the amino acid.
A. Lysine
B. Serine
C. Proline
D. Methionine
8 Which one of the given is non sense codon.
A. AUG
B. ACU
C. GAU
D. UAA
9 No of chromosomes in Honey bee are.
A. 6
B.
20
C. 32
D. 40
10 Trial and error learning has no role in
A. Operant learning
B. Classical conditioning
C. Insight
D. Imprinting

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