Question
Eriosoma lanigerum, Woolly aphid, is an important pest
in which of the following?Solution
Woolly aphid is black aphid that sucks sap from woody stems of apple, cotoneaster and pyracantha and covers itself in a white waxy secretion. Aphids are sap-sucking true bugs and are an important part of many food chains, supporting many predators.
Which of the following pair is correct?
I. Opaque – do not allow light to pass through them
II. Translucent – allow light to pass...
Which of the following is the correct term used to describe Graphite, Carbon and Diamonds?
Which among the following term refers to the commercial rearing of silkworms?
A body of mass 6 kg accelerates from 6 m/s to 18 m/s in 3 seconds due to the application of a force on it. Calculate the magnitude of this force (in N).
Which of the following is a conductor of electricity?
The force required to maintain an object at a constant velocity is
When a detergent is added to pure water, its surface tension –
Which of the following terms does not represent electrical power in a circuit ?
ELISA test can be used to diagnose :
Which of the following foods is a rich source of omega-3 fatty acids?
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