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White fly is vector for yellow vein mosaic virus of okra.
Which thoracic segment of a cockroach gives rise to the first pair of wings, known as tegmina?
The pump used in the windmill may be of
The transformation of nitrates to gaseous nitrogen is accomplished by microorganisms in a series of biochemical reactions. The process is known as:
A trisomy can be represented by
What is the scientific name of the common household cockroach?
Which among the following is/are organic P containing compound(s) of soil?
Which of the following disease is easily recognized by the appearance of long whip-like shoots covered with dusty black mass of spores?
Late blight of potato is caused by:
Cloud Seeding for cold clouds is done using _______
Which of the following tree species fixes nitrogen in atmosphere?