Microbes in Human Welfare — BIOLOGY STD 12 Science — Question

In some children, ADA deficiency can be cured by:

1. Bone marrow transplantation.
2. Enzyme replacement therapy.
3. Both (a) and (b).
4. None of the above.

What is called mimicry?

What is an autoimmune disease? Give an example.

From the list of STDs mentioned below, identify the one which does not specifically affect the sex organs.
Syphilis, AIDS, Gonorrhoea, Genital warts.

Name two types of interspecific interactions, in which one species is benefitted and the other is harmed.

When a boy entered an air-conditioned room immediately after coming back from playing football outside, he developed allergy symptoms. Write any two characteristics observed in such a situation. How does our body fight such conditions?

What are barr bodies?

Mention the two additional processing which hnRNA needs to undergo after splicing so as to become functional.

Where are mucous associated lymphatic tissues loacted in the human body?

Inflated pods, Terminal flowers, Yellow seeds, Green pods (all in garden pea).