CBSE - Class 12 Biology Strategies for Enhancement in Food Production Worksheet
LONG ANSWER QUESTIONS
1.
(a) Mutations are beneficial for plant breeding. Taking an example, justify the statement.
2.
You are a Botanist working in the area of plant breeding. Describe the various steps that you will undertake to release a new variety.
3.
(b) A 250 kg cow produces 200 g of protein per day but 250 g of Methylophillus methylotrophus can produce 25 tonnes of protein Name this emerging area of research. Explain its benefits.
4.
(a) The shift from grain to meat diets creates more demands for cereals. Why?
5.
Discuss how the property of plant cell totipotency has been utilised for plant propagation and improvement
6.
(b) Discuss briefly the technology that made us self-sufficient in food production.
7.
What are three options to increase food production? Discuss each giving the salient features, merits and demerits.
8.
What are the advantages of tissue culture methods over conventional method of plant breeding in crop improvement programmes?
9.
‘Modern methods of breeding animals and plants can alleviate the global food shortage’. Comment on the statement and give suitable examples.
10.
Does apiculture offer multiple advantages to farmers? List its advantages if it is located near a place of commercial flower cultivation.
