science & technology Online Quiz - 9

Description: science & technology Online Quiz - 9
Number of Questions: 20
Created by:
Tags: science & technology
Attempted 0/20 Correct 0 Score 0

For which of the following purposes is a transformer used?

  1. conversion of low voltage into high voltage and vice versa

  2. conversion of DC into AC

  3. Regulation of fluctuation of voltage

  4. to store power


Correct Option: A

Which among the following instrument is used for measuring wind speed ?

  1. Hygrometer

  2. Spectrometer

  3. speedometer

  4. Anemometer


Correct Option: D
  1. Fear of taste

  2. Fear of women

  3. Fear of knowledge

  4. Fear of knees, or kneeling


Correct Option: A

Neophobia

  1. Fear of death or dead things

  2. Fear of clouds

  3. Fear of newness, novelty

  4. Fear of darkness


Correct Option: C
  1. Fear of food

  2. Fear of colors

  3. Fear of time

  4. Fear of precipices


Correct Option: B

Phasmophobia

  1. Fear of poverty

  2. Fear of children

  3. Fear of ghosts

  4. Fear of overworking or exhaustion


Correct Option: C

Iatrophobia

  1. Fear of poison

  2. Fear of fish

  3. Fear of ideas

  4. The fear of doctors or going to the doctor


Correct Option: D

If you put Saturn in water it would------------?

  1. sink

  2. float

  3. disappears

  4. burnt


Correct Option: B

Earth has at least______ moons?

  1. 5

  2. 3

  3. 4

  4. 1


Correct Option: C

If two pieces of metal touch in space,they become permanently _____________ together?

  1. join

  2. stuck

  3. magnetize

  4. broke


Correct Option: B

How many Ergs are these in 1 Joule?

  1. 102

  2. 104

  3. 106

  4. 107


Correct Option: D

Which Muscle is the strongest in the body.

  1. Soleus

  2. TrapeZius

  3. Sartorius

  4. Tongue


Correct Option: D
  1. collision between fast neutrons and nitrogen nuclei present in the atmosphere

  2. action of ultraviolet light from the sun on atmospheric oxygen

  3. action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere

  4. lightning discharge in atmosphere


Correct Option: A
  1. work done in rolling is more than in lifting

  2. work done in lifting the stone is much more than rolling it

  3. work done in both is same but the rate of doing work is less in rolling

  4. work done in rolling a stone is less than in lifting it


Correct Option: D

The absorption of ink by blotting paper involves

  1. viscosity of ink

  2. capillary action phenomenon

  3. diffusion of ink through the blotting

  4. siphon action


Correct Option: B

Siphon will fail to work if

  1. the densities of the liquid in the two vessels are equal

  2. the level of the liquid in the two vessels are at the same height

  3. both its limbs are of unequal length

  4. the temperature of the liquids in the two vessels are the same


Correct Option: B
- Hide questions