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

Trial and error learning has no role in

Question # 3

Chromosomal theory of inheritance was first formulated by.

Question # 4

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

Question # 5

All the 64 codons were tested by

Question # 6

Unlike most proteins, histones are.

Question # 7

The base pairs in human genome are.

Question # 8

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

Question # 9

This condition appears as a result of point mutation.

Question # 10

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

Question # 11

Genetic code for the amino acid methionine is.

Question # 12

Anti codes present on

Question # 13

RNA polymerase II synthesize.

Question # 14

The genetic code for glycine is.

Question # 15

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

Question # 16

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

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 Morphological characteristics of chromosome are collectively called.
A. Holotype
B. Karyokinesis
C. Karyotype
D. Neotype
2 Which of the following polymerase synthesize tRNA.
A. RNA Polymerase -I
B. RNA Polymerase -III
C. RNA Polymerase -II
D. DNA Polymerase
3 Adenine and guanine are called
A. Purines
B. Pyrmidines
C. Both a & b
D. None of these
4 A sequence of three nucleotides in mRNA is called.
A. Cistron
B. Codon
C. Anticodon
D. Templet
5 Which of the following is a non sense codon.
A. UGA
B. UGG
C. AUG
D. AUC
6 Genetic code is a combination of 3 nucleotides in DNA which specify a particular
A. Amino acid
B. Fatty acid
C. Vitamin
D. Steriod
7 A combination of three nucleotides of DNA that specifies as amio acid is called.
A. Cistron
B. Anticodon
C. Genetic code
D. Entron
8 Origin site of replication is one in
A. Prokaryotes
B. Eukaryotes
C. None of these
D. Both a & b
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 V-shaped chromosomes are called.
A. Acrocentric
B. Metacentric
C. Telocentric
D. submetacentric

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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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