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Strategies for Enhancement in Food Production

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Biology

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Biology

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CBSE Gujarat Board Haryana Board

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Class 10 Class 12

In maize, hybrid vigour is exploited by

  • bombarding the protoplast with DNA

  • crossing of two inbreed parental lines

  • harvesting seeds from the most productive plants

  • inducing mutations


B.

crossing of two inbreed parental lines

G.H. Shull (1909) has shown that the hybrid vigour in maize is exploited by crossing of inbred parental line.

G.H. Shull (1909) has shown that the hybrid vigour in maize is exploited by crossing of inbred parental line.

516 Views

Who is called the Father of White revolution ?

Dr. V. Kurien.
647 Views

Give one example of each of indigenous and exotic milch breeds of cow.

Indigenous breed : Sahiwal;
Exotic breed : Brown swiss.
761 Views

Define the livestock.

Domesticated animals reared using agricultural practices for the production of milk, hide, flesh, etc for human use.
843 Views

Explain why Inbreeding cannot be continued for long .

Inbreeding if continued causes Inbreeding depression that means  productivity and fertility of the organisms is eventually reduced. Inbreeding produces homozygous condition and exposes harmful recessive genes.
583 Views

What was the aim of white revolution ?

Increased milk production.
612 Views