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

Choose the correct statement from the following

A group of scientists is working on creating transgenic cows to produce milk with medicinal properties. But there are adverse side effects seen on the cows due to this procedure. Their lifespan shortened; they became prone to diseases and died very early.

1. What do you mean by transgenic animals?
2. Should the scientists continue with the production of transgenic cows? Give reason.
3. Is there any law to regulate such acts?
4. What values did scientists lack?

Means of ex situ germplasm conservation are ………………….

Gametes of threatened species can be preserved in viable and fertile condition for long periods using ………………… techniques.

The LH surge from the anterior pituitary gland:

The name of Norman Borlaug is associated with :

If all decomposers are removed from an ecosystem, what will happen?

A hormone responsible for normal sleep – wake cycle is ……………….

For successful artificial hybridization, these processes are essential.