Dissolution of the synaptonemal complex occurs during : 

1.	Zygote	2.	Diplotene
3.	Leptotene	4.	Pachytene

Select the option including all sexually transmitted diseases:
1. Gonorrhoea, Malaria, Genital herpes
2. AIDS, Malaria, Filaria
3. Cancer, AIDS, Syphilis
4. Gonorrhoea, Syphilis, Genital herpes

Select the correct statement.

1. Glucagon is associated with hypoglycemia.

2. Insulin acts on pancreatic cells and adipocytes.

3. Insulin is associated with hyperglycemia.

4. Glucocorticoids stimulate gluconeogenesis.

The product(s) of the reaction catalyzed by nitrogenase in root nodules of leguminous plants is/are.

1. Nitrate alone

2. Ammonia and oxygen

3. Ammonia and hydrogen

4. Ammonia alone

In-gel electrophoresis, separated DNA fragments can be visualized with the help of:

1. Ethidium bromide in UV radiation

2. Acetocarmine in UV radiation

3. Ethidium bromide in infrared radiation

4. Acetocarmine in bright blue light

In Which of the following techniques, the embryos are transferred to assist those females who cannot conceive?

Select the correct match:

Which of the following is not an attribute of a population?

1.  Natality

2.  Mortality

3.  Species interaction

4.  Sex ratio

The oxygenation activity of RuBisCo enzyme in photorespiration leads to the formation of:

Match the following concerning essential elements and their functions in plants: