List of practice Questions

Haversian canals occur in

Which one is an essential mineral, not constituent of any enzyme but stimulates the activity of many enzymes

In C4 plants, Calvin cycle operates in

System of classification used by Linnaeus was

Leaf fall can be prevented with the help of

Artificial system of classification was first used by

The dimensional formula of torque is

Propene, $CH_3 - CH = CH_2$ can be converted into 1-propanol by oxidation. Indicate which set of reagents amongst the following is ideal to affect the above conversion?

Acetylenic hydrogens are acidic because

For a satellite escape velocity is 11 km/s. If the satellite is launched at an angle of 60$^{\circ}$ with the vertical, then escape velocity will be

A bullet of mass 10 g leaves a rifle at an initial velocity of 1000 m/s and strikes the earth at the same level with a velocity of 500 m/s. The work done in joule overcoming the resistance of air will be

Diploid chromosome number in human is

'Continuity of germplasm' theory was given by

Each of the following is true for white and red phosphorus except that they

Which of the following is an optically active compound?

It is possible to obtain oxygen from air by fractional distillation because

The gases respectively absorbed by alkaline pyrogallol and oil of cinnamon are

Which cartilage is present on the end of long bones -

A bus is moving on a straight road towards north with a uniform speed of 50 km/hour then it turns left through 90$^{\circ}$. If the speed remains unchanged after turning, the increase in the velocity of bus in the turning process is

Correct gas equation is

Oxygen will directly react with each of the following elements except?

When orthophosphoric acid is heated to 600$^{\circ}$C, the product formed is

Curie is a unit of

Dimensional formula of self inductance is