When the course of water is blocked at some places if is called___________________?

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In China, cotton was cultivated as a crop in._______________?

A. 7th century AD B. 4th century AD C. 10th century AD D. 5th century AD...

Indus river is one of the longest river of Asia measuring about_____________________?

A. 3000 Km B. 2500 Km C. 2900 Km D. 3200 Km...

Use of tetrazolium staining for assessment of seed quality was suggested by________________?

A. Woodstock (1973) B. Moore (1973) C. Maguire (1962) D. Germ (1950)...

PASSCO stands for_______________?

A. Pakistan Agriculture Sugar Supplies Corporation B. Pakistan Agriculture Seed Supplies Corporation C. Pakistan Agriculture Service Supplies Corporation D. non of these...

Mutual association between fungi and roots of plants is known as_________________?

A. Rhizospher B. Mycorrhizae C. Root fungi D. None of the above...