Multiple Choice Questions

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A ‘new’ variety of rice was patented by a foreign company, though such varieties have been present in India for a long time. This is related to

  • Co-667

  • Sharbati Sonora

  • Basmati

  • Lerma Rojo


C.

Basmati

  1. In 1997, an American company got patent rights on Basmati rice through the US patent and trademark office that was actually been derived from Indian farmer’s varieties.
  2. The diversity of rice in India is one of the richest in the world, 27 documented varieties of Basmati are grown in India.
  3. Indian basmati was crossed with semi-dwarf varieties and claimed as an invention or a novelty.
  4. Sharbati Sonora and Lerma Rojo are varieties of wheat.

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Which one of the following pairs is mismatched?

  • Pila globosa - pearl

  • Apis indica - honey

  • kenia lacca - lac

  • kenia lacca - lac

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Golden rice is a promising transgenic crop. When released for cultivation, it will help in

  • alleviation of vitamin A deficiency

  • pest resistance

  • herbicide tolerance

  • herbicide tolerance

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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

  • harvesting seeds from the most productive plants

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The two functional groups characteristic of sugars are

  • Hydroxyl and methyl

  • Carbonyl and methyl

  • Carbonyl and hydroxyl

  • Carbonyl and phosphate


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In order to obtain virus-free plants through tissue culture the best method is

  • protoplast culture

  • embryo rescue

  • anther culture

  • anther culture

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Conversion of milk to curd improves its nutritional value by increasing the amount of

  • Vitamin D

  • Vitamin A

  • Vitamin E

  • Vitamin B12


The process of separation and purification of expressed protein before marketing is called

  • Upstream processing

  • Downstream processing

  • Bioprocessing

  • Bioprocessing

833 Views

Homozygous purelines in cattle can be obtained by

  • mating of related individuals of same breed

  • mating of unrelated individuals of same breed

  • mating of individuals of different breed

  • mating of individuals of different breed

1213 Views

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Artificial selection to obtain cows yielding higher milk output represents

  • Stabilizing selection as it stabilizes this character in the population

  • Directional as it pushes the mean of the character in one direction

  • Disruptive as it splits the population into two one yielding higher output and the other lower output

  • Disruptive as it splits the population into two one yielding higher output and the other lower output

1590 Views

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