MEDIUM
9th CBSE
IMPORTANT
Earn 100

From where do the plants get carbon, oxygen and hydrogen?

Important Questions on Improvement in Food Resources

MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 15 - Improvement in Food Resources>ASSESS YOURSELF>Q 33
What is common in poultry, fisheries and bee-keeping with respect to increase in production of animals?
MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 15 - Improvement in Food Resources>ASSESS YOURSELF>Q 34
Name the organism used in the preparation of vermicompost.
MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 15 - Improvement in Food Resources>ASSESS YOURSELF>Q 35
Why do we irrigate our crops?
MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 15 - Improvement in Food Resources>ASSESS YOURSELF>Q 36
Differentiate between fumigation and spraying.
MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 15 - Improvement in Food Resources>ASSESS YOURSELF>Q 37
Mention any one difference in external features of weeds and wheat plant. How do weeds affect crop yield? Describe how weeds are removed.
MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 15 - Improvement in Food Resources>ASSESS YOURSELF>Q 38

Write the names of any two exotic (foreign) breeds of cow.

MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 15 - Improvement in Food Resources>ASSESS YOURSELF>Q 38

Write the names of any two popular variety of marine (saltwater) fish.

MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 15 - Improvement in Food Resources>ASSESS YOURSELF>Q 38

Name one indigenous and one exotic breed of fowl.