Biotechnology: Principles and Processes — BIOLOGY STD 12 Science — Question

______ is the method of bombarding high velocity microparticles of gold or tungsten coated with DNA, into plant cells.

The pollen grains represent the ………………

The amount of energy _____________ at successive trophic levels.

Inbreeding increases _______.

Fill in the blanks:
The process of release of ovum from a mature follicle is called _____________.

________ probably lived in East African grasslands about 2 mya.

Sugge Suggest a molecular diagnostic procedure that detects HIV in suspected AIDS patients.
Or
Name any two techniques that serve the purpose of early diagnosis of some bacterial/ viral human diseases.

______ test is performed to confirm typhoid.

The part of the fallopian tube, which is closer to the ovary and is funnel-shaped, is called ______.

……………… is the transfer of pollen grains from anther of the flower to the stigma of the same or a different flower.