Biotechnology and its Applications NEET Questions (MCQs) | Online Test No. 04

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NEET questions on Biotechnology and its Applications | Biotechnology and its Applications class 12 MCQ for NEET UG Entrance | Test # 04

Biotechnology and its Applications NEET MCQs - Test - 04

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Question 1
The introduction of t-DNA into plants involves [CBSE AIPMT 2015]
A
infection of the plant by Agrobacterium tumefaciens
B
altering the pH of soil, heat-shocking the plants
C
exposing the plants to cold for a brief period
D
allowing the plant roots to stand in water
Question 2
The two polypeptides of human insulin are linked together by [NEET 2016]
A
phosphodiester bonds
B
covalent bonds
C
disulphide bridges
D
hydrogen bonds
Question 3
Transgenic plants are the ones [CBSE AIPMT 2009]
A
generated by introducing foreign DNA into a cell and regenerating a plant from that cell
B
produced after protoplast fusion in artificial medium
C
grown in artificial medium after hybridisation in the field
D
produced by a somatic embryo in artificial medium
Question 4
What is antisense technology? [CBSE AIPMT 2009]
A
When a piece of RNA that is complementary in sequence is used to stop expression of a specific gene
B
RNA polymerase producing DNA
C
A cell displaying a foreign antigen used for synthesis of antigens
D
Production of somaclonal variants in tissue cultures
Question 5
What is it that forms the basis of DNA fingerprinting?
A
The relative proportions of purines and pyrimidines in DNA.
B
The relative difference in the DNA occurrence in blood, skin and saliva.
C
The relative amount of DNA in the ridges and grooves of the fingerprints.
D
Satellite DNA occurring as highly repeated short DNA segments.
Question 6
The Ti plasmid is often used for making transgenic plants. This plasmid is found in: [CBSE AIPMT 2004]
A
Yeast as a 2 μm plasmid
B
Azotobacter
C
Rhizobium of the roots of leguminous plants
D
Agrobacterium
Question 7
Choose the correct option regarding Retrovirus: [NCERT]
A
An RNA virus that synthesises DNA during infection
B
A DNA virus that synthesises RNA during infection
C
An ssDNA virus
D
A dsRNA virus
Question 8
Which body of the Government of India regulates GM research and safety of introducing GM organisms for public services? [NEET 2015]
A
Genetic Engineering Approval Committee
B
Research Committee on Genetic Manipulation
C
Bio¬safety committee
D
Indian Council of Agricultural Research
Question 9
The trigger for activation of the toxin of Bacillus thuringiensis is: [NCERT]
A
Acidic pH of stomach
B
High-temperature
C
Alkaline pH of gut
D
Mechanical action in the insect gut
Question 10
ADA is an enzyme which is deficient in a genetic disorder SCID. What is the full form of ADA? [NCERT]
A
Adenosine deoxyaminase
B
Adenosine deaminase
C
Aspartate deaminase
D
Arginine deaminase
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