List of practice Questions

Pollen tablets are available in the market for:

Select the Taxon mentioned that represents both marine and freshwater species

If 20 J of energy is trapped at producer level, then how much energy will be available to peacock as food in the following chain?
Plant \(→\) Mice \(→\) Snake \(→\) Peacock

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

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

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:

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

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?