Ecosystem — BIOLOGY STD 12 Science — Question

The process of separating the separated strips of DNA by cutting them from agarose gel is called _________.

_________ enzymes are essential for the functioning of the immune system.

In human _________ extra embryonic membranes of embryo take part in placenta formation

Insecticidal protein present in Bacillus thuringiensis gets activated due to _________ pH and destroys the insects_________ by making holes in the surface of the epithelial cells which leads to the death of the insects.

Triploid endosperm is formed by the fusion of _________

Azotobacter is a _________ bacteria which increases the amount of nitrogen in the soil by fixing atmospheric nitrogen.

The process of release of ovum from a mature follicle is called __________

At the time of ovulation, ovum developing during oogenesis in human female is called _________ .

The largest known human gene is the ____________ which contains 2.4 millin base pairs.

In transgenic organism, expression of the transgene in the target tissue is determined by a _________.