How can crop varieties be made disease resistant to overcome food crisis in India? Explain. Name one disease resistant

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Q 2625623561.     How can crop varieties be made disease resistant to overcome food crisis in India?
Explain. Name one disease resistant variety in India of: [3]
(a) Wheat to leaf and stripe rust
(b) Brassica to white rust
OR
Write the source and the effect on the human body of the following drugs:
(i) Morphine
(ii) Cocaine
(iii) Marijuana
CBSE-12th 2011

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(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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