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प्रश्न
Higher Order Thinking Skill (HOT)
‘P’ is a gene required for the synthesis of vitamin A. It is integrated with genome of ‘Q’ to produce genetically modified plant ‘R’.
- What is P, Q and R?
- State the importance of ‘R’ in India.
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उत्तर
-
The P, Q and R:
- P – Beta – carotene gene.
- Q – Prevent vitamin A deficiency.
- R – Golden rice.
-
Importance of rice in India:
- Rice is the most important staple food for millions of people in developing countries like India.
- Beta – carotene is produced in the endosperm of the grain. It could control the chronic health problems caused by vitamin A deficiency, especially among the poor in developing countries like India.
APPEARS IN
संबंधित प्रश्न
In a hexaploid wheat( 2n = 6 x = 42 ) the haploid (n) and the basic(x) number of chromosomes respectively are ______.
Rice normally grows well in alluvial soil, but ______ is a rice variety produced by mutation breeding that grows well in saline soil.
A group of plants produced from a single plant through vegetative or asexual reproduction are called a pureline.
Iron fortified rice variety determines the protein quality of the cultivated plant
Assertion: Hybrid is superior than either of its parentsReason: Hybrid vigour is lost upon inbreeding.
Assertion: Colchicine reduces the chromosome number.
Reason: It promotes the movement of sister chromatids to the opposite poles.
State the importance of biofertiliser.
Name three improved characteristics of wheat that helped India to achieve high productivity
Describe mutation breeding with an example.
With a neat labelled diagram explain the techniques involved in gene cloning.
