Free Strategies For Enhancement In Food Production (Daily Quiz: 1) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Free Strategies For Enhancement In Food Production (Daily Quiz: 1) Time:

Question-1

Micropropagation is

(a)

(b)

(c)

(d)

Explanation:

Answer: (a)

Micropropagation is propagation of plants in vitro to achieve a large number of plants in very short duration. This results in the production of genetically identical plants and is widely used in forestry and floriculture.


Question-2

Disease resistance in plants can be induced by

(a)

(b)

(c)

(d)


Question-3

Match the columns.
Column-I
Column-II
A. White revolution 1. Increase in milk production
B. Green revolution 2. Increase in crop production
C. Blue revolution 3. Increase in fish production

(a)

(b)

(c)

(d)


Question-4

In biofortification the objective is to improve the quality as well as content of

(a)

(b)

(c)

(d)


Question-5

Use of certain chemicals and radiation to change the base sequences of genes of crop plants is termed

(a)

(b)

(c)

(d)

Explanation:

Answer: (c)

Through the use of chemicals or radiations (like gamma radiations), It is possible to induce mutations artificially in crop plant and then selecting and using those plants that have the desirable character as a source in breeding. This process is called mutation breeding.

In other three options use of radiations is not involved. Recombinant DNA technology involves transferring of a desired gene (trans gene) from an organism and incorporating it to host organism by genetic engineering to produce a recombinant to gene therapy is performed mainly in humans. It involves replacing a defective gene with a normal one.


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