YASH
CLASSES
IMPROVEMENT IN
FOOD RESOURCES
1.What do we get
from cereals , pulse fruits
and
vegetables ?
2. How
do biotic factors affect crop production ?
3. What are the desirable agronomic characteristics
for
crop improvement ?
4. What
are macro- nutrient and why are they called
macro
nutrient ?
5. Difference between fertilizer and manure ?
6. How do plants get nutrients ?
7. which of the following will give the most
benefits ? why ?
a. Former's use quality seeds, not adopt
irrigation
and use fertilizers .
b. former's use quality seeds, adopt irrigation
and use fertilizers and crop protection measure
.
8. Why should preventive measure and
biological
control
methods be preferred for protecting crops .
9. What
factors may be responsible for losses of
grains during storage ?
10. Which methods is commonly used for
improving cattle breeds and why ?