Ask Improvement In Food Resources question free
×
Improvement In Food Resources Free Doubts and Solutions
CBSE - IX - Biology - Improvement in Food Resources
make a project file on "improvement on food resources"(10 pages paste picture also)
Asked by Disha
27th June 2018,
1:28 PM
CBSE - IX - Biology - Improvement in Food Resources
What is feed ? What are the different types of weed ? How does it differ with respect to age and functions ?
Asked by jeffladebo
12th May 2015,
5:03 PM
CBSE - IX - Biology - Improvement in Food Resources
Explain the various preventive measures against insect pests .
Asked by jeffladebo
12th May 2015,
4:59 PM
CBSE - IX - Biology - Improvement in Food Resources
Discuss the various methods which are used to control plant diseases .
Asked by jeffladebo
12th May 2015,
4:59 PM
CBSE - IX - Biology - Improvement in Food Resources
Explain the various methods of crop improvement . Name one improved variety of Rice , Maize , Soyabean , Sunflower and Mustard.
Asked by jeffladebo
12th May 2015,
4:57 PM
CBSE - IX - Biology - Improvement in Food Resources
Compare between mixed cropping and intercropping . Write down from advantage of both of these techniques .
Asked by jeffladebo
12th May 2015,
4:54 PM
CBSE - IX - Biology - Improvement in Food Resources
Explain various types of irrigation systems in India . How can efficiency of applied water be increased in agriculture .
Asked by jeffladebo
12th May 2015,
4:49 PM
CBSE - IX - Biology - Improvement in Food Resources
Define irrigation . Why is irrigation of crops essential ? Mention the harmful effects of excessive irrigation .
Asked by jeffladebo
12th May 2015,
4:46 PM
CBSE - IX - Biology - Improvement in Food Resources
Explain what will happen if in a cultivated field only manures are supplied and in another field only fertilizers are supplied, keeping all other conditions similar .
Asked by jeffladebo
12th May 2015,
4:43 PM
CBSE - IX - Biology - Improvement in Food Resources
Explain the mechanism of compost formation.
Asked by jeffladebo
12th May 2015,
4:39 PM
