EASY
9th CBSE
IMPORTANT
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The crops which are grown in the rainy season are called crops. (kharif/rabi/zaid)

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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 13

_____ are the fleshy sweet structures rich in vitamins.

EASY
9th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 9>Chapter 6 - Improvement in Food Resources>EXERCISE - 6A>Q 14
Arrange these statements in the correct sequence of preparation of green manure.
(a) Green plants are decomposed in soil.
(b) Green plants are cultivated for preparing manure or crop plant parts are used.
(c) Plants are ploughed and mixed into the soil.
(d) After decomposition, it becomes green manure.
MEDIUM
9th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 9>Chapter 6 - Improvement in Food Resources>EXERCISE - 6A>Q 1
What are macro- and micro-nutrients? Name two of each kind.
EASY
9th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 9>Chapter 6 - Improvement in Food Resources>EXERCISE - 6A>Q 2
What is green manuring? Give examples of green manures.
EASY
9th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 9>Chapter 6 - Improvement in Food Resources>EXERCISE - 6A>Q 3
What are fertilisers? Mention three important features of fertilisers.
EASY
9th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 9>Chapter 6 - Improvement in Food Resources>EXERCISE - 6A>Q 4
A total of _____ nutrients are essential to plants. (14/16/18)
EASY
9th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 9>Chapter 6 - Improvement in Food Resources>EXERCISE - 6A>Q 4
_____ (Hydrogen/ Zinc/ Magnesium/ Carbon) is supplied by water to plants.
EASY
9th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 9>Chapter 6 - Improvement in Food Resources>EXERCISE - 6A>Q 4
Soil supplies _____ to plants(micronutrients/macronutrients).