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

Name the term used for metamorphosis of spermatids?

"Growing spirullina on a large scale is beneficial both environmentally and nutritionally for humans." Justify.

How can we control global warming?

Give two examples of biogeographical evidence in favour of evolution.

Why cannot a population live alone by itself in nature?

It was diagnosed by a specialist that the immune mechanism of the body of a patient has been suppressed. Name the disease the patient has been suffering from and the microbe responsible for it. Which part of the immune system does it affect and in what manner?

List the criteria for the molecule that can act as a genetic material. ###What criteria should be fulfilled, is a molecule can act as a genetic material

At the time of Independence, the population of India was 350 million, which exploded to over 1 billion by May 2000. List any two reasons for this rise in population and any two steps taken by the government to check this population explosion.

Illustrate schematically the process of initiation, elongation and termination during transcription of a gene in a bacterium.

Write any two types of biodiversity.