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 Multiple Choice QuestionsMultiple Choice Questions

1.

A system of rotating crops with legume or grass pasture to improve soil structure and fertility is called

  • contour farming

  • strip farming

  • shifting agriculture

  • shifting agriculture

1996 Views

2.

Which of the following Bt crops is being grown in India by the farmers?

  • Maize

  • Cotton

  • Brinjal

  • Brinjal

622 Views

3.

In the plant breeding programmes, the entire collection (of plants/ seeds) having all the diverse alleles for all genes a given crop is called

  • selection of superior recombinants

  • cross - hybridisation among the selected parents

  • evaluation and selection of parents

  • evaluation and selection of parents

1099 Views

4.

Outbreeding is an important strategy of animal husbandry because it

  • helps in accumulation of superior genes

  • is useful in producing purelines of animals.

  • is useful in overcoming inbreeding depression.

  • is useful in overcoming inbreeding depression.

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5.

Which part would be most suitable for raising virus-free plants for micropropagation?

  • Bark

  • Vascular tissue

  • Meristem

  • Meristem

555 Views

6.

A technique of micropropagation is

  • somatic hybridization

  • somatic embryogenesis

  • protoplast fusion

  • protoplast fusion

996 Views

7.

Which of the following enhances or induces fusion of protoplasts?

  • Sodium chloride and potassium chloride

  • Polyethylene glycol and sodium nitrate

  • IAA and kinetin

  • IAA and kinetin

836 Views

8.

'Jaya' and 'Ratna' developed for green revolution in India are the varieties of

  • rice

  • wheat

  • bajra
  • bajra
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9.

'Himgiri' developed by hybridization and selection for disease resistance against rust pathogens is a variety of

  • Maize

  • sugarcane

  • wheat

  • wheat

473 Views

10.

An organism used as a biofertilizer for raising soybean crop is 

  • Azospirillum

  • Rhizobium

  • Nostoc

  • Nostoc

504 Views

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