What is the area of a regular hexagon of side 6

Which of the following is an example of a C₄  plant that produces OAA?

Mineral having maximum cation exchange capacity is

Nymph can be found in the life cycle of ____

In which group of insects is the gizzard characterized by having four mobile lips with spines useful in staining procedures?

Which of the following is not a "direct gene transfer" method:

Which tissue transporting carbohydrates from the leaves as a food supply for the production of energy in the cortex?

In the Spillman production function used in agricultural production analysis, the variable “Y” represents:

Among the following insect groups, which one completely lacks chewing mouthparts, being specialized for fluid feeding?

Middle lamella, the outmost layer in plant cell wall is made up of

Water enters through minute pores……………..in the body wall into a central cavity, spongocoel.