List of top Biology Questions

Select the Taxon mentioned that represents both marine and freshwater species

Which of the following shows coiled RNA strand and capsomeres?

When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as

Non-albuminous seed is produced in:

Person with blood group AB is considered as universal recipient because he has:

A location with luxuriant growth of lichens on the trees indicates that the:

A scrubber in the exhaust of a chemical industrial plant removes:

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'

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

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

Five kingdom system of classification suggested by R.H. Whittaker is not based on:

A human female with Turner's syndrome:

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:

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

Deficiency symptoms of nitrogen and potassium are visible first in:

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

Fight-or-flight reactions cause activation of:

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?

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

Planaria possess high capacity of:

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