Question # 1

Origin site of replication is one in

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Prokaryotes

Eukaryotes

None of these

Both a & b

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

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rRNA

tRNA

mRNA

snRNA

Pentose sugar in the molecule of DNA is

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Ribose

Deoxyribose

Sucrose

Lactose

Which of the following is a non sense codon.

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UGA

UGG

AUG

AUC

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

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Lamarck

Griffith

Darwin

Spemann

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

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Transcription

Replication

Translation

Transformation

DNA changes are called mutations and the organisms that have undergone such changes are called

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Wild types

Changer

Mutants

Transmutants

The genetic code for glycine is.

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UAG

GAU

GUA

GGU

The number of chromosomes in frog is

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52

26

13

7

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

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Myoglobin

Insulin

Keratin

Globulin

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

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Leucine

Valine

Proline

Histidine

Which one of the following is initiation codon.

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AUG

GUA

UGA

GAC

Chromosomal theory of inheritance was first formulated by.

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Karl Correns

T.H.Morgan

W. Sutton

Carvin Bridges

Walter Fleming first discovered chromosomes in the dividing cells of.

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Frog larvae

Sea urchin larvae

Insect larvae

Salamander larvae

A sequence of three nucleotides in mRNA is called.

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Cistron

Codon

Anticodon

Templet

Genetic code for the amino acid methionine is.

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AUC

UGC

CGC

AUG

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

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Arginine

Lysine

Both a & c

Alanine

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Biology FSC Part 2 Chapter 20 Online MCQ's Test MCQs With Answers

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