List of practice Questions

Two soap bubbles coalesce to form a single bubble. If $V$ is the subsequent change in volume of contained air and $S$ the change in total surface area, $T$ is the surface tension and $P$ atmospheric pressure, which of the following relation is correct ?

Tischenko reaction is a modification of :

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

The main function of mammalian corpus luteum is to produce:

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

Choose the correctly matched pair:

Which of the following shows coiled RNA strand and capsomeres?

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:

You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will you use to distinguish between the two?

A species facing extremely high risk of extinction in the immediate future is called:

Fruit colour in squash is an example of:

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

An example of edible underground stem is:

Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule?

Which structures perform the function of mitochondria in bacteria?

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

Which is the particular type of drug that is obtained from the plant whose one flowering branch is shown below?

Fructose is absorbed into the blood through mucosa cells of intestine by the process called:

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

Which one of the following living organisms completely lacks a cell wall?

Tracheids differ from other tracheary elements in:

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

A man whose father was colour blind marries a woman who had a colour blind mother and normal father. What percentage of male children of this couple will be colour blind?

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?