Reproductive Health — BIOLOGY STD 12 Science — Question

Differentiate the terms 'Cry' and 'cry'.

Which disease is diagnosed by Western blot test? Write the scientific name of the pathogen and four symptoms of this disease.

Define spermiogenesis and spermiation.

What will be the effect if unprocessed preinsulin is given to diabetic patients?

Would it be appropriate to use DNA probes such as VNTR in DNA fingerprinting of a bacteriophage?

Give two examples of biogeographical evidence in favour of evolution.

a. A patient had suffered myocardial infarction and clots were found in his blood vessels. Name a clot buster that can be used to dissolve the clots and the micro-organism from which it is obtained.
b. A woman had just undergone a kidney transplant. A bioactive molecular drug is administered to oppose kidney rejection by the body. What is the bioactive molecule? Name the microbe from which this is extracted.
c. What do doctors prescribe to lower the blood cholesterol level in patients with high blood cholesterol? Name the source organism from which this drug can be obtained.

Explain in brief Mutualistic relation between Yucca plant and moth.

The density of a population in a habitat per unit area is measured in different units. Write the unit of measurement against the following:

1. Bacteria.
2. Grass.
3. Banyan.
4. Deer.
5. Fish.

What is meant by monosporic development of female gametophyte?