61.

According to kinetic theory of gases, at the temperature of absolute zero, the gas molecules

• start movement

• become massless

• start emitting light

• stop movement

The nuclear force is

• short range repulsive force

• short range attractive force

• long range repulsive force

• long range attractive force

A satellite in vacuum

• is kept in orbit by remote control

• is kept in orbit by retro-rocket

• derives energy from gravitational field

• does not require any energy for orbiting

Unsorted transaction that can be used to immediately update a database is called as

• Direct Database Access

• Sequential Database Access

• Alternate Database Access

• Instance Database Access

Which of the following number is not correctly written?

• 101₈

• 101₂

• 1A1₂

• ABC₁₆

Chemical decomposition of an organic compound by water is called as

• Hydrogenation

• Hydration

• Hydrolysis

• All of these

Which of the following pairs is not correctly matched?

• Vitamin B    -    Pyridoxine

• Vitamin C    -  Ascorbic acid

• Vitamin E    -  Alphatocopherol

• Vitamin D    -  Sunshine

Which of the following is not a nitrogenous fertilizer?

• Ammonium sulphate

• Urea

• Ammonium nitrate

• Super phosphate

CaC₂ on treatment with water gives

• methane

• ethane

• ethylene

• acetylene

The 'fine respiratory particles' which deteriorate air quality for breathing by human beings are categorised as

• PM 0.0

• PM 2.5

• PM 8.5

• PM 10.0