Question
Damaging stage of white grub is
Solution
White grubs (Melolonthid larvae) feed underground on the roots of host plants, while the adult beetles are observed feeding on the foliage of certain other choice plants in the vicinity during the nIght. Damaging stage is both grub and adult.
Which type of mirror is utilized in solar furnaces to focus sunlight and generate heat?
Lambert's law is related to–
S.I unit of Inductance is
Which device uses ultrasonic waves for getting images of internal organs of human body?
Red light is used for signals because it has –
Which of the following dyes is used for colouring Paper and typewriters?
A ship will submerge when it displaces water equal to its
What conditions must be met for stationary waves to form?
The instrument which uses sound waves to measure the depth of oceans is –
Consider the following statements:
1. A flute of smaller length produces waves of lower
2. Sound travels in rocks in the form of longitudi...
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