STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION
2010 MARCH
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)
2010 SAY
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)
2011 MARCH
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)
2011 SAY
1. Teacher wrote the steps of a crop
improvement program on the blackboard as follows:
Bagging
Emasculation
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)
2012 MARCH
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)
2012 SAY
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)