______ 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

For growing a crop, sufficient sunlight and _________ and _________ from the soil are essential.

Analogy

Urea : Inorganic fertilizer: Vermi compost: _______.

Give an example for inorganic fertilizer.

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

Analogy:

Organic fertilizer: Compost:: Inorganic fertilizer: ______.

Analogy:

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

Define Biofertilizer.

State whether the following statement is True or False. Correct the false statement.

Cells of root nodules of leguminous plants fix nitrogen

______ is a method of sowing seeds.