Question
Find area of a sector of radius 14 cm with central angle
90°. (π = 22/7)Solution
ATQ, Area = (90/360)×π×r² = (1/4)×π×196 = 49π 49×22/7 = 154 cm²
Which of the following property of soil is not influenced by tillage operations?
White grub in maize can be controlled byÂ
The condition where the plant is unable to produce a zygote with its own pollen is called as?
Pseudo dominance is related with
____ is a milk process that makes milk more easily digested by those with a sensitive digestive system.
Which of the following elements has not been proved to be essential for plants?
Sedges are monocot with triangular stem and parallel venation and belong to ______ family.
When fruit develops from the mere stimulus of the pollination, but without fertilization it is known as_____
If the time shown in a clock is 8:20, then what will be the clock angle made by minute and hour hands?
A Chromosome with medium position of centromere is known as