STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION
1. Johny, a Plus Two student is from a tribal colony with lower level of vitamins, minerals and protein deficiency. He wishes to be a plant breeder to help the public by producing new crops with high levels of vitamins, minerals, protein etc. identify the phenomenon. (2)
1. In mid 1960s as a result of various plant breeding techniques, there was a drastic increase in food production in our country. This phase is often referred as ………… (1)
2. Tissue culture is a fast and efficient system for crop improvement. Scientists in a research institution want to produce a hybrid of potato and tomato. Is it possible to make such a hybrid? If it possible, explain how. (2)
1. Ram Singh is a conventional wheat breeder. One of the promising wheat varieties is found to be susceptible to leaf rust. What breeding steps he will adopt to make his original promising variety resistant to leaf rust? (2)
2. The method of producing thousands of plantlets through tissue culture is called ………………..
These plantlets which are genetically identical to each other are called ………………. (1)
1. Teacher wrote the steps of a crop improvement program on the blackboard as follows:
Arrange the steps in correct order. Explain them and name the process of crop improvement programme with given steps. (2)
2. Being a member of the committee of People’s Planning Programme of your Panchayat, suggest two common fresh water fishes to grow in the fresh water fishery project undertaken by your Panchayat. (2)
1. The regeneration of whole plants from any part of the plant grown under sterile conditions is called tissue culture.
a. The general term for the part of the plant taken out for tissue culture is ………….
b. The capacity to generate a whole plant from any plant cell is ………… (1)
2. Raju went to a Rice Research station on his study tour. There he noticed a scientist working on rice plants using scissors and forceps. To his surprise he saw the scientist covering the inflorescence with paper bags.
a. Name the techniques the scientist was doing.
b. Give the purpose of these techniques. (2)
3. A newspaper report read like this.
“Conventional agricultural products like cereals, pulses and other seeds may not be able to meet the demand of food according to the increase in population. So focus has to be shifted to alternate food sources like SCPs.”
a. What are SCPs?
b. Give one example of SCPs.
c. What are the advantages of SCPs? (2)
1. Continued inbreeding, usually reduces fertility and causes non-productivity. This is called ………….. (1)
2. Beekeeping requires some specialized knowledge for success.
a. What is the alternate name for Beekeeping?
b. Give your suggestions for successful beekeeping. (2)