Biotechnology - Transgenic Plant

Exercise :: Transgenic Plant - Section 1

  • Transgenic Plant - Section 1
26. 

Which of the following genes can be used for making resistances against viral infection?

A. Genes for capsid protein
B. Gene for nucleocapsid protein
C. Satellite RNA
D. All of these

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

27. 

Which of the following has been widely used to provide resistance against plant viruses?

A. Virus resistance genes from bacteria
B. Expression of virus coat protein genes in transgenic plants
C. Expression of anti-virus genes in vectors that transmit viruses
D. Expression of ribonuclease (RNase) genes in host plants

Answer: Option B

Explanation:

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28. 

Cross protection against viruses in transgenic plants can be obtained by

A. inoculating the susceptible strain of a crop with a mild strain of a virus that helps in developing resistance against more virulent strain
B. inoculating the susceptible strain with the coat proteins of virulent strain
C. inoculating the susceptible strain with genes of nucleocapsid
D. any of the above

Answer: Option A

Explanation:

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29. 

Bruise resistant tomatoes have been developed by the expression of antisense RNA against

A. glycerol 1 phosphate acyl transferase
B. polygalactouranase
C. ACC deaminase
D. Sucrose phosphate synthase gene

Answer: Option B

Explanation:

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30. 

Which cell-based technology endows a cell with increased ability to harness energy?

A. Chlybridization
B. Cybridization
C. Mibridization
D. Protoplast fusion

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.