List of practice Questions

In which one of the following processes CO2 is not released?

Tracheids differ from other tracheary elements in:

In vitro clonal propagation in plants is characterized by:

The osmotic expansion of a cell kept in water is chiefly regulated by:

Select the correct option.

Direction of RNA synthesis		Direction of reading of the template DNA strand
(1)	3' — 5'	5' — 3'
(2)	5' — 3'	5' — 3'
(3)	3' — 5'	3' — 5'
(4)	5' — 3'	3' — 5'

A human female with Turner's syndrome:

To obtain virus-free healthy plants from a diseased one by tissue culture technique, which part/parts of the diseased plant will be taken?

Choose the correctly matched pair:

Just as a person moving from Delhi to Shimla to escape the heat for the duration of hot summer, thousands of migratory birds from Siberia and other extremely cold northern regions move to:

Identify the hormone with its correct matching of source and function:

Select the option which is not correct with respect to enzyme action:

The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type of monomer are known as:

A few normal seedlings of tomato were kept in a dark room. After a few days they were found to have become white-coloured like albinos. Which of the following terms will you use to describe them?

An example of ex situ conservation is:

Fight-or-flight reactions cause activation of:

Planaria possess high capacity of:

Deficiency symptoms of nitrogen and potassium are visible first in:

An analysis of chromosomal DNA using the southern hybridisation technique does not use:

Select the correct matching of the type of the joint with the example in human skeletal system:

At which stage of HIV infection does one usually show symptoms of AIDS?

Commonly used vectors for human genome sequencing are:

Dr. F. Went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when placed on one side of freshly cut coleoptile stumps. What significance is this experiment of?