______ is called as farmer’s best friend. - Science

______ is called as farmer’s best friend.

Fill in the Blanks

Earthworm is called as farmer’s best friend.

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Chapter 3: Chemistry in Everyday Life - Evaluation [Page 44]

Chapter 3 Chemistry in Everyday Life
Evaluation | Q II. 3. | Page 44

What is the advantage of storing grain in wattle and daub baskets?

______ fertilizer is ecofriendly.

Analogy

Urea : Inorganic fertilizer: Vermi compost: _______.

Fertilizers containing only plant or animal-based materials or those synthesized by microorganisms are called inorganic fertilizers.

Analogy:

Used as fertilizer: Gypsum:: Helps nerves function properly: ______.

Tabulate the nutrients present in inorganic fertilizers.

Define Biofertilizer

State whether the following statement are True/False. Correct the false statement.

Using good quality seed is the only criterion to get high yield.

State whether the following statement are True/False. Correct the false statement.

Cells of root nodules of leguminous plants fix nitrogen.