science & technology Online Quiz - 9

Description: science & technology Online Quiz - 9
Number of Questions: 20
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Tags: science & technology
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Which country is also known as the 'Rainbow Nation' ?

  1. Australia

  2. South Africa

  3. Switzerland

  4. Greenland


Correct Option: B

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

Geumaphobia

  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

Chromatophobia

  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

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

Only ________ of Americans know that the sun is a star.

  1. 65

  2. 35

  3. 45

  4. 55


Correct Option: D

How many bones are there in a human body.

  1. 106

  2. 206

  3. 102

  4. 202


Correct Option: B

Which Muscle is the strongest in the body.

  1. Soleus

  2. TrapeZius

  3. Sartorius

  4. Tongue


Correct Option: D

Radiocarbon is produced in the atmosphere as a result of

  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

It is easier to roll a stone up a sloping road than to lift it vertical upwards because

  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
  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
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