🏫 Board🧬 Biology

Biotechnology and its Applications

5 Board Biology previous year questions on Biotechnology and its Applications — options free on every question; 1 include the answer & explanation free, the rest unlock with PYQ Pass.

Q1 FREE PREVIEW

Statins are produced by

a

Trichoderma polysporum

b

Monascus Purpureus

c

Streptococcus

d

Penicillium notatum

✓ Correct answer: b)

Monascus Purpureus

Explanation

Statins are cholesterol-lowering compounds produced by the yeast Monascus purpureus.

A) Trichoderma polysporum → Produces cyclosporin A.
B) Monascus purpureus → Produces statins
C) Streptococcus → Bacterium, not used for statin production.
D) Penicillium notatum → Produces penicillin.

Q2

C-peptide of human insulin is

a

A part of mature insuling

b

Responsible for disulphide bridge formation

c

Removed during maturan of pro-insulin to insulin

d

Responsible for biologicatactivity

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Q3

The Bt gene is isolated from which organism ?

a

E.coli

b

Lactobacillus

c

Streptococcus eversae

d

Bacillus thurigiensis

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Q4

Which is used to silence genes in RNA interference ?

a

ssDNA

b

dsDNA

c

ds RNA

d

ssRNA

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Q5

The first clinical gene therapy was given for treating

a

Diabetes mellitus

b

Chicken pox

c

Rheumatoid arthritis

d

ADA deficiency

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