List of practice Questions

Choose the correct enzyme - substrate pair.

Cochineal insects have proved very useful for

Coelom is found between

Commonly used antiseptic -Dettol- is a mixture of

Cyclopropane and oxygen at partial pressures 170 torr and 570 torr are mixed in a gas cylinder. What is the ratio of the number of moles of cyclopropane to the number of moles of oxygen?

During dialysis

Identify the correctly matched pair

If a convex lens of focal length 80 cm and a concave lens of focal length 50 cm are combined together, what will be their resulting power?

If there are 4 cells in anthers, what will be the number of pollen grains?

In C4 plants, CO2 combines with

Lungs are enclosed in :

Pneumatic bone is found in

'Taxon' is the unit of a group of

The basic character of hydrides of the 15 group elements decreases in the order

The breeding place of Flamingo (Hansawar) in India is most likely

The correct order of $ N - O $ bond lengths in $NO, NO_2^-, NO_3^- $ and $ N_2O_4 $ is

The correct sequence for the manufacture of the compounds on the primitive earth is

The interferons are

The ionic product of water at $25^{\circ} C$ is $10^{-14}$. Its ionic product at $90^{\circ} C$ will be

The IUPAC name of(CH3)2CH - CH2 - CH2Br is

The IUPAC name of is

The metal which does not form coloured compounds is

The nephridia in earthworm are analogous to

The 'niche' of a species is meant for

The oxidation of toluene to benzaldehyde by chromyl chloride is called