Simplify: 7x + 9y - [(14x + 5y) - (5x + 3y) + 4y]

Which of the following property of soil is not influenced by tillage operations?

White grub in maize can be controlled by 

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