April 2023

NCERT Solutions Std 8 Science Microorganisms Friend and Foe

Microorganisms: Friend and Foe Exercise: 1). Fill in the blanks. (a) Microorganisms can be seen with the help of a microscope. (b) Blue-green algae fix nitrogen directly from air and enhance fertility of soil. (c) Alcohol is produced with the help of yeast. (d) Cholera is caused by bacteria.   2). Tick the correct answer. …

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NCERT Solutions Std 8 Science Crop Production and Management

Crop Production and Management Exercise: 1). Select the correct word from the following list and fill in the blanks. (float, water, crop, nutrients, preparation) (a) The same kind of plants grown and cultivated on a large scale at a place is called crop. (b) The first step before growing crops is  preparation of the soil. …

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