Agricultural Biotechnology MCQs

Question 1

For molecular characterization of plant species which of the following molecular markers are used

Accepted Answer

All of the above

Answer

RAPD

Answer

AFLP

Answer

SSR/STMS

Question 2

Horizontal gene flow can be reduced by expressing genes in

Accepted Answer

Chloroplast

Answer

Nucleus

Answer

Both A and B

Answer

None of these

Question 3

Double stranded DNA can be isolated from ssDNA or RNA by using

Accepted Answer

Hydroxyapatite column

Answer

Ion exchange column

Answer

Sephadex column

Answer

Affinity chromatography

Question 4

Choose the correct one.

Accepted Answer

The Plectonemic superhelix is found majorly in prokaryotes

Answer

The plectonemic superhelix is left handed

Answer

Solenoidal superhelix is right handed

Answer

The solenoidal superhelix is found in prokaryotes

Question 5

The insertion vector is

Accepted Answer

λgt10

Answer

EMBL3

Answer

EMBL4

Answer

Both B and C

Question 6

A west African plant produces a protein called Pentadiplandra brazzeana which is about 2000 times as sweet as sugar

Accepted Answer

Brazzein

Answer

Saccharin

Answer

Monelin

Answer

None of the above

Question 7

Chromosome number of 'Arabidopsis' is

Accepted Answer

5

Answer

7

Answer

3

Answer

4

Question 8

Nopaline I is synthesized by

Accepted Answer

Both A and B

Answer

Arginine

Answer

Pyruvic acid

Answer

Glycine

Question 9

The lipoproteins having high percentage of protein is

Accepted Answer

HDL

Answer

VLDL

Answer

LDL

Answer

Chylomicrons