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

Each Okazaki fragment is synthesized by.

Question # 2

Amino acid attachment site of tRNA is.

Question # 3

DNA was discovered in

Question # 4

Genetic code for the amino acid methionine is.

Question # 5

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

Question # 6

Okazaki fragments are about 1000 - 2000 nucleotides long in

Question # 7

Pentose sugar in the molecule of DNA is

Question # 8

V-shaped chromosomes are called.

Question # 9

Adenine and guanine are called

Question # 10

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

Question # 11

Which one is non-directed orientation?

Question # 12

In 1944 Oswald Avery along with Colin Macleod and Maclyn McCarty repeated experiments of

Question # 13

Which of the following is a non sense codon.

Question # 14

Human cells contain types of tRNA molecules.

Question # 15

No of chromosomes in Honey bee are.

Question # 16

Anti codes present on

Question # 17

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

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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 Which one of the following is initiation codon.
A. AUG
B. GUA
C. UGA
D. GAC
2 This condition appears as a result of point mutation.
A. Down syndrome
B. Turner syndrome
C. Sickel cell Anaemia
D. Klinefelter syndrome
3 V-shaped chromosomes are called.
A. Acrocentric
B. Metacentric
C. Telocentric
D. submetacentric
4 Morphological characteristics of chromosome are collectively called.
A. Holotype
B. Karyokinesis
C. Karyotype
D. Neotype
5 Histones are positively charged due to an abundance of the basic amino acids
A. Arginine
B. Lysine
C. Both a & c
D. Alanine
6 Walter Fleming first discovered chromosomes in the dividing cells of.
A. Frog larvae
B. Sea urchin larvae
C. Insect larvae
D. Salamander larvae
7 A gene with initiation codon, which encodes the amino acid methionine is.
A. UAA
B. UAG
C. AUG
D. UGG
8 In 1953 Watson and Crick proposed structure of the
A. RNA molecule
B. ATP molecule
C. DNA molecule
D. NAD molecule
9 The copping of mRNA from DNA is called.
A. Translation
B. Transduction
C. Transcription
D. Transformation
10 Genetic code is a combination of 3 nucleotides in DNA which specify a particular
A. Amino acid
B. Fatty acid
C. Vitamin
D. Steriod

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