Text Solution
Verified by Experts
|
NCERT-IMPROVEMENT IN FOOD RESOURCES-Exercise
- What do we get from cereals, pulses, fruits and vegetables ?
02:22
|
- How do biotic and abiotic factors affect crop production ?
02:35
|
- What are the desirable agronomic characteristics for crop improvements...
01:46
|
- What are macro-nutrients and why are they called macro- nutrients ?
02:14
|
- How do plants get nutrients ?
01:23
|
- Compare the use of manure and fertilizers in maintaining soil fertilit...
02:36
|
- Which of the following conditions will give the most benefits? Why? ...
04:47
|
- Why should preventive measures and biological control methods be prefe...
01:58
|
- What factors may be responsible for losses of grains during storage?
01:51
|
- Which method is commonly used for improving cattle breeds and why?
02:41
|
- Discuss the implications of the following statement. ''It is interes...
02:47
|
- What management practices are common in dairy and poultry farming?
03:43
|
- What are the differences between broilers and layers and in their mana...
02:23
|
- How are fish obtained?
02:30
|
- What are the desirable characters of bee varieties suitable for honey ...
02:42
|
- What are the advantages of composite fish culture?
03:16
|
- What is pasturage and how is it related to honey production?
01:35
|
- Explain any one method of crop production which ensures high yield.
03:17
|
- Why are manure and fertilizers used in fields?
02:42
|
- What are the advantages of inter-cropping and crop rotation?
07:15
|