EASY
9th CBSE
IMPORTANT
Earn 100

What are nutrients and how many nutrients are essential for plant growth?

Important Questions on Improvement in Food Resources

EASY
9th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 9>Chapter 6 - Improvement in Food Resources>EXERCISE - 6A>Q 3
Name the three plant nutrients which form about 95% of the total plant growth.
EASY
9th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 9>Chapter 6 - Improvement in Food Resources>EXERCISE - 6A>Q 4
How do plants get nutrients?
EASY
9th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 9>Chapter 6 - Improvement in Food Resources>EXERCISE - 6A>Q 5
How do weeds affect crop plants?
EASY
9th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 9>Chapter 6 - Improvement in Food Resources>EXERCISE - 6A>Q 6
Define hybridisation.
EASY
9th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 9>Chapter 6 - Improvement in Food Resources>EXERCISE - 6A>Q 7
What is a GM crop?
EASY
9th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 9>Chapter 6 - Improvement in Food Resources>EXERCISE - 6A>Q 8
Name a GM crop grown in India.
EASY
9th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 9>Chapter 6 - Improvement in Food Resources>EXERCISE - 6A>Q 9
What are Xanthium and Parthenium?
EASY
9th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 9>Chapter 6 - Improvement in Food Resources>EXERCISE - 6A>Q 10
Name the farming system without the use of chemicals as fertilisers, herbicides and pesticides.