GK/General Science MCQs for ECT Job Test Preparation

GK/General Science MCQs are prepared for aspirants who are seeking to questions that will help them to get prepared for the test of Elementary Childhood Teacher which is conducted by STS.

1. The maximum speed of sound is in

  1. Soil
  2. Plants
  3. Platinum
  4. Water

2. The audible range of normal human ear is

  1. 10 to 10khz
  2. 12 to 20khz
  3. 3 to 15k hz
  4. 20 to 20khz

20 to 20khz

3. The heat is form of energy and associated with

  1. proton motion
  2. electric machine
  3. kinetic energy
  4. molecular motion

molecular motion

4. During the daytime, the air above land is gets heated up its density

  1. Remain constant
  2. Increases
  3. Decreases
  4. None

Decreases

5. A thermos flask keeps things close to their original temperature by reducing

  1. Conduction
  2. Radiation
  3. Convection
  4. All

6. Objects which gives light out of their own are said to be

  1. Opaque
  2. Transparent
  3. Luminous
  4. Solid

7. The melting point of pure ice is at standard temperature and pressure is

  1. 00C
  2. 1200 C
  3. 1000C
  4. 2000C

8. At the temperature state when solid and liquid are in equilibrium is called

  1. Boiling point
  2. Melting point
  3. Freezing point
  4. Evaporation

Melting point

9. Hydrogen sulphide gas is formed from hydrogen and sulpher. It smells like

  1. Sunflower
  2. Rose
  3. Rotten eggs
  4. Banana

Rotten eggs

10. The largest organ in human with respect to surface area is

  1. Liver
  2. Intestine
  3. Mouth
  4. skin