Question
Noise is measured in
–Solution
The decibel (dB) is a logarithmic unit that indicates the ratio of a physical quantity (usually power or intensity) relative to a specified or implied reference level. A ratio in decibels is ten times the logarithm to base 10 of the ratio of two power quantities. 230. (4) Bats use echolocation to navigate and forage, often in total darkness. They generally emerge from their roosts in caves, attics, or trees at dusk and hunt for insects into the night.
Typical symptom of Pink stem borer (Sesamia inferens) infestation in Wheat appears as:
Host tree species for Muga silkworm is ________
This Chemical known as “Apple Factor” which is released by Malus sp. and acts as an attractant to Aphis pomi is:
Which class of pesticides, known for their nerve poison properties and containing compounds like carbaryl, made a significant impact in the 1950s?
Shellac is secreted by
Which of the following are the characteristic features of an Insect?Â
Which of the following pair is not correct?
This toxin is derived from Bacillus thuringiensis, alters the ion permeability of the midgut epithelia in insects, leading to gut paralysis and death:
The type of antennae found in Honeybee are………………
Drones are
