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Sources of resistance genes may be cultivated varieties, of the crop or wild relatives.

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Important Questions on Reproduction in Organisms

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Biology>Reproduction>Reproduction in Organisms>Some Deviations in Sexually Reproducing Animals
Micropropagation can be achieved by
MEDIUM
Biology>Reproduction>Reproduction in Organisms>Some Deviations in Sexually Reproducing Animals
What is the tissue culture technique of micropropagation ?
MEDIUM
Biology>Reproduction>Reproduction in Organisms>Some Deviations in Sexually Reproducing Animals
How is 'somatic hybridization' carried out? Mention one example of a somatic hybrid.
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Biology>Reproduction>Reproduction in Organisms>Some Deviations in Sexually Reproducing Animals
What is meant by somatic hybridisation? Give an account on necessary steps of the method with an example.
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Biology>Reproduction>Reproduction in Organisms>Some Deviations in Sexually Reproducing Animals
Totipotency refers to:
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Biology>Reproduction>Reproduction in Organisms>Some Deviations in Sexually Reproducing Animals
What is tissue culture? Write the advantages of tissue culture.
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Biology>Reproduction>Reproduction in Organisms>Some Deviations in Sexually Reproducing Animals
The hybridization between naturally incompatible plants Potato and Tomato can be achieved through
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Biology>Reproduction>Reproduction in Organisms>Some Deviations in Sexually Reproducing Animals
What is a callus?
HARD
Biology>Reproduction>Reproduction in Organisms>Some Deviations in Sexually Reproducing Animals
Give an account of various steps involved in tissue culture.
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Biology>Reproduction>Reproduction in Organisms>Some Deviations in Sexually Reproducing Animals
Enlist the applications of tissue culture.
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Biology>Reproduction>Reproduction in Organisms>Some Deviations in Sexually Reproducing Animals
What is cellular totipotency? What is the importance of it in plant science?
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Biology>Reproduction>Reproduction in Organisms>Some Deviations in Sexually Reproducing Animals
To obtain virus - free healthy plants from a diseased one by tissue culture technique, which part/parts of the diseased plant will be taken?
MEDIUM
Biology>Reproduction>Reproduction in Organisms>Some Deviations in Sexually Reproducing Animals
How plant tissue culture has helped in the improvement of crops?
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Biology>Reproduction>Reproduction in Organisms>Some Deviations in Sexually Reproducing Animals

Give one significant contribution of the following scientist:

P. Maheshwari

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Biology>Reproduction>Reproduction in Organisms>Some Deviations in Sexually Reproducing Animals
Define totipotency.
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Biology>Reproduction>Reproduction in Organisms>Some Deviations in Sexually Reproducing Animals
Write the techniques of plant tissue culture.
MEDIUM
Biology>Reproduction>Reproduction in Organisms>Some Deviations in Sexually Reproducing Animals
Write the application of plant tissue culture.
HARD
Biology>Reproduction>Reproduction in Organisms>Some Deviations in Sexually Reproducing Animals

Identify ‘A’ in the chart given below:

  Product Plant
(1) Nicotine Nicotiana tabacum
(2) Vincristin, Vinblastin 'A'

 

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Biology>Reproduction>Reproduction in Organisms>Some Deviations in Sexually Reproducing Animals
In vitro clonal propagation in plants is characterized by:
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Biology>Reproduction>Reproduction in Organisms>Some Deviations in Sexually Reproducing Animals
Which of the following enhances or induces fusion of protoplasts?