Question
Which of the following statement is correct?
>I. Friction is caused by the irregularities on the two surfaces in contact II. Friction is a necessary evilSolution
Friction is caused by interlocking of irregularities present on the surfaces in contact. Friction is said to be a necessary evil because it is useful as well as harmful. Friction helps us to walk, write, hold things, lift objects.
What term was introduced by L. Hiltner to describe an area of intense microbiological activity around growing plant roots?
Book value of durable assets refers to:
Urea is constituted by:
“Golden treasure” of Assam is known to which silk
To reduce fertilizer use govt has decreased urea bag size from 50 kg to __ kg.
Apomixis refers to
Dry skin with scales or scutes without gland is a characteristic of
The Central AGMARK lab is located at
The foliar cover at the top layer of the crop plants is referred as:
An 'artificial seed' consists of gel enclosing one of the following components. Which one?
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