Question # 1

No of chromosomes in Honey bee are.

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6

20

32

40

In 1953 Watson and Crick proposed structure of the

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RNA molecule

ATP molecule

DNA molecule

NAD molecule

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

Chromosomal part which uncoils, during inter phase is called.

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Chromatids

Satellite DNA

Euchromatin

Heterochromatin

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

All the 64 codons were tested by

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Marshall Nirenberg

Philip Leader

Har Gobind Khorana

All a,b,and,c

A central role for chromosomes in heredity was first suggested in 1900 by.

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Karl correns

W. Sutton

F. Griffiths

T.H.Morgan

Chromosomal theory of inheritance was first formulated by.

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Karl Correns

T.H.Morgan

W. Sutton

Carvin Bridges

Which strand of DNA is transcribed.

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coding strand

Sense strand

Antisense strand

Conservative strand

How many million nucleotides are in DNA of typical human chromosome

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140

160

180

200

Pentose sugar in the molecule of DNA is

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Ribose

Deoxyribose

Sucrose

Lactose

Chromosomes appear inside the nucleus at the time of.

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Cell division

Cell maturation

Cell elongation

Cell differentiation

The stand which elongates towards the replication fork is.

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Leading

Lagging

Okazaki

Primer

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

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rRNA

tRNA

mRNA

snRNA

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

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-10 sequence

- 20 sequence

- 30 sequence

- 35 sequence

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