NEET Botany Strategies for Enhancement in Food Production Questions Solved

AIIMS - 2017

Which one of the following is a correct statement ?

(a) "Bt" in "Bt-cotton" indicates that it is a genetically modified organism produced through biotechnology.

(b) Classical plant breeding involves fusion of two somatic cells carrying desired genes.

(c) The anticoagulant hirudin is being produced from transgenic Brassica napus seeds

(d) Golden rice is a transgenic variety of rice rich in vitamin E.

(c) Transgenic Brassica napus seeds are being used to produced the anticoagulant hirudin. Bt is 'Bt Cotton' stands for Bacillus thuringensis. This is naturally occuring soil bacterium. Classical plant breeding involves crossing or hybridisation of purelines, followed by artificial selection to produce plants with desirable traits where as somatic hybridisation involves fusion of protoplast of two cells. Golden rice is a trangenic variety of rice rich in b-carotene (provitamin-A - inactive state of citamin A).

Difficulty Level:

  • 43%
  • 17%
  • 35%
  • 7%