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Clear nights are colder than cloudy nights as of

If the kinetic energy of a body is increased by 9% then change in its momentum will be :

Optic fibres are used in:

The chemical substance present in bones and teeth is :

The secretory Product pectin of cell wall is chemically a

Which acid is used in rubber, textile, leather and electroplating industries ?

Which of the following is used as a moderator in nuclear reactor?

A black body can absorb radiations of;

Cloudy nights are warmer compared nights, as clouds mainly

If the magnetic flux linked with a coil varies at the rate of 1 Wb/min, the induced e.m.f. Is :

Optical fiber is based upon the principle of-

The chemical that is used to ripen mangoes is

The sense of balance is attained by:

Which among the following acid is NOT a Vitamin ?

Which of the following is used as a preservative to protect processed food?

A block of wood is floating in a lake. The apparent weight of the floating block is

Optical fibers are mainly used for which of the following?

The chemical used in embalming biological materials is

The sharpness of a television image is termed as its

Which among the following bacterial cells are found in cubical packets?

A boat will submerge when it displaces water equal to its own -

Coating of solid waste with impervious material is known as

If the pressure in a closed vessel is reduced by drawing out some gas, the mean free path of the gas molecules will

Optical fibre works on the

The chief constituent of natural gas is:

The short upper part of the human intestine next to the stomach is called

Which among the following blood vessels has the smallest diameter?

Which of the following laws is explained by the statement that matter can neither be created or destroyed ?

A Body absorb Maximum amount Heat, when it is-

Cocking gas is a mixture of

If the pressure is closed vessel is reduced by drawing out some gas , the mean free path of gas molecules will

The chief raw material used for manufacturing Rayon is:

The shortest carbon - carbon bond distance is found in

Which among the following correctly denotes Net Reproduction Rate?

Which of the following layer of the earths atmosphere reflect back the radio waves to the earths surface

A body travelling with the speed of more than the velocity of sound in air is said to travel with

Coke is obtained from coal by

If the radius of the Earth were to shrink by 1 per cent, its mass remaining the same, the value of g on the Earths surface would

Organic compounds are

The chief source for the production of nitrogeneous fertilizers is:

The SI unit mobility of charge (μ) is:

Which among the following enzyme allows the cows to digest cellulose?

Which of the following Liquid contains Highest Rate of vaporization?

A body weighs slightly more at the poles than at the equator because

Colloids

If the temperature of a place increases suddenly, the relative humidity

Organic food is supposed to be better for human consumption because

The colour of an opaque object is due to the colour it

The sky appears blue because

Which among the following glands in human body is enlarged due to goitre?