Question
The area of a circular garden is 616 m2. Find
its radius. (Take pi = 22/7)Solution
ATQ, Area A = pi × r2 616 = (22/7) × r2 r2 = 616 × (7/22) 616 ÷ 22 = 28 So r2 = 28 × 7 = 196 r = √196 = 14 m
___ is defined as the average growth per year a tree or stand of trees has exhibited/experienced up to a specified age.Â
Which one of the following strategies does not help in preventing the incidence of ‘whitefly’ in cotton?
 In animal cell the reserve food is stored in the form of _____
Saline soils are reclaimed by
A well-known practice to ensure adequate nitrogen of legumes in lieu of N-fertilizer is
The cultivation of rice started in _____B.C.
Medium range weather forecast is valid for:
Lady bug is a predator of:
The pest which attack both in field and storage of pulses is–
Chairperson of the Food Authority should be well versed in the field of: