Semiconservative nature of replication of eukaryotic chromosome was first demonstrated by _______________

Semiconservative nature of replication of eukaryotic chromosome was first demonstrated by _______

A

Walter Flemming on root tip cells of Vicia faba

B

J. Herbert Taylor, Philip Wood and Walter Hughes on root tip cells of Vicia faba

C

Walter Flemming on root tip cells of Phaseolus vulgaris

D

J. Herbert Taylor, Philip Wood and Walter Hughes on root tip cells of Phaseolus vulgaris

Which among the following statements regarding filing Rejoinder/Replication in a suit, as per the Code of Civil Procedure 1908, are correct?
1. Rejoinder/ Replication is filed as a matter of Right
2. Provision of filing Rejoinder/ Replication is contained under Order VIII of the Code of Civil Procedure
3. Rejoinder/Replication may be filed only after due permission of the Court.
4. Rejoinder/Replication is a part of pleading.
Select the correct answer:

A

1, 3 and 4

B

1, 2 and 3

C

2 and 4 only

D

2, 3 and 4

How many types of replication models were considered before the semiconservative nature of DNA replication was confirmed?

A

1

B

2

C

3

D

4

Which isotopes were used by the researchers who first confirmed the semiconservative nature of DNA replication?

A

Nitrogen

B

Carbon

C

Oxygen

D

Sulfur

In which organism was the “Semiconservative theory of DNA replication” first observed?

A

Treponema pallidum

B

Vibrio cholerae

C

Staphylococcus pneumoniae

D

Escherichia coli

Which process is termed as “semiconservative DNA replication”?

A

Presence of only newly synthesised strands in DNA

B

Presence of only parental strands in DNA

C

Presence of both parental and newly synthesised strands in DNA

D

Presence of a hybrid variety of strands

Which of the following are features of semiconservative replication?

A

RNA replicates DNA molecule

B

The DNA molecule produced contains two old templates

C

One new DNA helix is formed

D

DNA duplicates itself and the new chain contains old template strand and new complementary strand

If two breaks occur in one chromosome, and one in a non-homologous one, the fragment from the first chromosome may become joined in an intercalary position in the second chromosome. This is a case of

A

A simple translocation

B

A compound translocation

C

An interstitial translocation

D

A reciprocal translocation

Replication can also be carried out by rolling circle replication. Choose the correct statement for this type of replication?

A

It can be used for the formation of RF

B

The product of gene III binds on a specific site of double stranded genome

C

It creates a nick in the – strand generating a free 3’ hydroxyl

D

This strand is extended by the polymerase and displaces the original – strand

A male plant of chromosome pp pollinates the plant having chromosome type PP. The expected chromosome in embryo and endosperm

A

Embryo-Pp, Endosperm-Ppp

B

Embryo-pp, Endosperm-PPP

C

Embryo-Pp, Endosperm-PPp

D

Embryo-PP, Endosperm-PPP

Semiconservative nature of replication of eukaryotic chromosome was first demonstrated by _______________

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