MCQ ON GENETIC ENGINEERING class 12 for NEET

MCQ ON GENETIC ENGINEERING class 12 for NEET | GENETIC ENGINEERING class 12 | MCQ GENETIC ENGINEERING with Answer | Check the below NCERT MCQ question for class 12 Biology based on the with Answers.

MCQ ON GENETIC ENGINEERING class 12 for NEET

MCQ ON GENETIC ENGINEERING class 12 for NEET

MCQ on GENETIC ENGINEERING class 12 Biology with answers were prepared based on the latest pattern.We have provided class 12 Biology MCQs questions on GENETIC ENGINEERING with Answers to help students understand the concept very well.

MCQ ON GENETIC ENGINEERING is useful for NEET / CSIR / UGC / CBSE / ICSE / AIIMS / EXAM / AFMC EXAM / STATE LEVEL MEDICAL EXAM 2022-23, 2023-24

Introduction:
GENETIC ENGINEERING each biotechnology involved in synthesis of artificial genes, repair of genes, through fusion , deletion, inversion, shifting of genes, production of recombinant DNA and manipulating them for improvement in human being , plants, animals and microbes. Important ispect of genetic engineering is recombined DNA technology in which desired DNA sequences from different sources are obtained and joined together to form a new recombination or recombinant DNA gives desire product or traits. Recombined DNA technology is also called gene splicing is it involves cutting and pasting of desire DNA . To important discovery in bacteria presents of plasmid and restriction endonuclease.

MCQ ON GENETIC ENGINEERING class 12 for NEET

1. Restriction endonuclease is employed for cutting

(a) A single stranded DNA
(b) Double stranded DNA
(c) RNA fragments
(d) mRNA

Ans (b) Double stranded DNA

2. Which is enzyme is useful in genetic engineering

(a) DNA- ase
(b) Amylase
(c) Lipase
(d) Restriction endonuclease

Ans. (d) Restriction endonuclease

3. It is l
possible to breed plants and animals for desire characters through

(a) tissue culture
(b) genetic engineering
(c) embryo culture
(d) meristem culture

Ans. (b) genetic engineering

4. Advancement in genetic engineering has been possible due to discovery of

(a) Oncogenes
(b) Transposons
(c) Restriction endonuclease
(d) Exonuclease

Ans.(c) Restriction endonuclease

5. Genetic engineer bacteria being used in commercial production of

(a) melatonin
(b) testosterone
(c) human insulin
(d) thyroxine

Ans.(c) human insulin

6. Transgenic plants are developed by

(a) introducing foreign genes
(b) introducing gene mutations
(c) deleting certain chromosome parts
(d) stopping spindle formation

Ans.(a) introducing foreign genes

7. Bacteria plasmid contains

(a) RNA
(b) RNA + protein
(c) DNA
(d) petrol chromosome

Ans.(c) DNA

8. Two bacteria most useful in genetic engineering are

(a) rhizobium and azotobacter
(b) Escherichia coli and agrobacterium
(c) rhizobium and diplococcus
(d) Nitrosomanas and klebsiella

Ans.(b) Escherichia coli and agrobacterium

9. Enzyme required for polymerase chain reaction is

(a) RNA polymerase
(b) Ribonuclease
(c) Taq polymerase
(d) Endonuclease

Ans. (c) taq polymerase

10. With the help of DNA ligase donor DNA fragment is joined. It is called

(a) molecular cloning
(b) tissue culture
(c) protoplasmic fusion
(d) splicing

Ans. (a) molecular Cloning

11. Abnormal gean is replaced by normal gene is called

(a) gene therapy
(b) Cloning
(c) mutation
(d) none of the above

Ans.(a) gene therapy

12. Nucleic acid is fragmented by enzyme

(a) ligases
(b) proteases
(c) nucleases
(d) polymerases

Ans . (c) nucleases

13.Bt cotton has been produced by

(a) in situ hybridization of Bt cotton
(b) northern blotting of Bt gene
(c) Cloning of Bt gene
(d) All the above

Ans.(c) Cloning of Bt gene

14. In genetic engineering which is used to for transfer of gene from one cell to another.

(a) vector
(b) probe
(c) plasmid
(d) virus

Ans. (a) vector

15. Tumour inducing plasmid used in producing transgenic plant is that of

(a) Escherichia coli
(b) bacillus thuringiensis
(c) agrobacterium tumefaciens
(d) All the above

Ans.(c) Agrobacterium tumefaciens

16. Golden rice will help in

(a) producing petrol like fuel
(b) pest resistance
(c) herbicide tolerance
(d) alleviation of vitamin A

Ans.(d) alleviation of vitamin A

17.SCID is caused by defective gene coding for enzyme

(a) adenosine deaminase
(b) adenosine transaminase
(c) adenosine transferase
(d) All the above

And.(a) adenosine deaminase

18. PCR technique was invented by

(a) Boyer
(b) Karry Mullis
(c) Cohn
(d) All the above

Ans. (b) Karry Mullis

19. Which is used in gene cloning

(a) mesosome
(b) plasmids
(c) lomasomes
(d) nucleotides

Ans.(b) plasmids

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20. Genetic modified BT brinjal has been developed in India for

(a) enhancing self life
(b) enhancing mineral content
(c) drought resistance
(d) insect resistance

Ans.(d) insect resistance

21.In hybridoma technology

(a) B- cells are fused with myeloma cells
(b) T-cells are fused with myeloma cells
(c) T – cells are fused with B- cells
(d) none of the above

Ans.(a) B- cells are fused with myeloma cells

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Balram Saw

My name is Balram Saw and by profession, I am a lecturer. I did my masters in M.sc Zoology. On this blog, I share all the information related to biology.

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