List of practice Questions

If a spherical ball rolls on a table without slipping the friction of its total energy associated with rotational energy is:

Husband has blood group A and wife has blood group B. What is the blood group of children?

Heterophagosome is

Hardness of water is due to presence of salts of:

Green plants constitute:

Example of analogous organs is:

Edible part of mushroom is

During anaerobic conditions, the rate of glycolysis increases, is called:

Decomposers are

Chloragogen cells help in:

Chloragogen cells of earthworms are analogous to vertebrate:

In Williamsons synthesis, ethoxyethane is prepared by:

What amount of $Cl_{2}$ gas liberated at anode, if $1$ ampere current is passed for $30$ minute from $NaCl$ solution?

Which of the following is not a property of liquid state?

The geometry of $ Ni(CO)_{4}$ and $ Ni(PPh_{3})_{2}Cl_{2}$ are:

Certain crystals produce electric signals on application of pressure. This phenomenon is called:

The law of limiting factors for photosynthesis was enunciated by:

Who said that transpiration is a necessary evil?

Transpiration would be lowest when:

The number of female flowers found in a cyanthium is:

In turnip, 2/3 part of swollen area is derived from:

Bowman's capsule is found in:

Biotic factors are:

A river is flowing from west to east with a speed of $5\, m / \min$. A man can swim in still water with a velocity $10\, m / \min$. In which direction should the man swim so, as to take the shortest possible path to go to the south ?

Earth is revolving around the sun. If the distance of the earth from the sun is reduced to $1/4th$ of the present distance then the length of present day will be reduced by: