Biotechnology CBSE Class 12 Biology MCQ Questions with Answer Keys

If you are preparing for CBSE Class 12 Board Exam Term 1 which will be an objective type questions paper, then you need to practice multiple choice questions of Class 12 Biology Chapterwise. In this article of AKVTutorials, you will get Biotechnology CBSE Class 12 Biology MCQ Questions with Answer Keys

Biotechnology MCQ Questions for Class 12 Question No 11

Some of the characteristics of Bt cotton are

Option A : Medium yield, long fibre and resistance to bittle pests

Option B : High yield and production of toxic proteins ceystals which kill dipteran pests

Option C : High yield and resistance to bollworms

Option D : Long fibre and resistance to aphids

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Option B : High yield and production of toxic proteins ceystals which kill dipteran pests

Biotechnology MCQ Questions for Class 12 Question No 12

Clot buster obtained from Streptococcurs and modified by genetic engineering is

Option A : Streptokinase

Option B : Penicillin

Option C : Cyclosporin A

Option D : Statins

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Option A : Streptokinase

Biotechnology MCQ Questions for Class 12 Question No 13

Maturation of proinsulin into insulin takes place after

Option A : Joining of c-peptide

Option B : Removal of c-peptide

Option C : Removal of disulphide bridge

Option D : Removal of 

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Option D : Removal of c-peptide

Biotechnology MCQ Questions for Class 12 Question No 14

Restriction enzymes are also called

Option A : Molecular makers

Option B : Vectors

Option C : Carriers

Option D : Molecular scissor

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Option D : Molecular scissor

Biotechnology MCQ Questions for Class 12 Question No 15

Polymerase chain reaction employs

Option A : Primers and DNA ligase

Option B : DNA ligase only

Option C : DNA plymerase only

Option D : Primer and DNA polymerase

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Option D : Primer and DNA polymerase

Biotechnology MCQ Questions for Class 12 Question No 16

Genetic engineering has helped in production of

Option A : Thyroxine

Option B : Insulin

Option C : Parathormone

Option D : Epinephrine

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Option A : Thyroxine

Biotechnology MCQ Questions for Class 12 Question No 17

Which can be used as vector for transfer of DNA segment

A) Bacterium

B) Plasmid

C) Plasmids

D) Nucleotides

Option A : A , B and C

Option B : A only

Option C : A and C

Option D : B and D

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Option D : B and D

Biotechnology MCQ Questions for Class 12  Question No 18:

In genetics engineering which is used for transfer of genes from one cell to another

Option A : Vector

Option B : Probe

Option C : Plasmid

Option D : Virus

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Option A : Vector

Biotechnology MCQ Questions for Class 12 Question No 19:

Recombinant DNA or rDNA technology as discovered by

Option A : Khorana

Option B : Bateson and de Vries

Option C : Sutton and Avery

Option D : Cohen and Boyer

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Option D : Cohen and Boyer

Biotechnology MCQ Questions for Class 12 Question No 20

What is true of Bt toxin?

Option A : The concerned baccillus has antitoxins

Option B : The inactive protoxin get converted into active form in the insect gut

Option C : Bt protein exists as active toxin in bacillus

Option D : The activated toxin enters the ovaries of the pest to sterlize it an thus prevents its multiplication

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Option B : The inactive protoxin get converted into active form in the insect gut

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