Simplified guide of MCQs for Exams, Interviews

Topic: Science

1 .  Chronometer is invented by________?

  • A. Robert Fulton
  • B. Nikola Tesla
  • C. Martin Cooper
  • D. John Harrison

Correct Answer:

John Harrison


2 .  Wisdom teeth normally grow between the age of___________?

  • A. 34-40
  • B. 17-30
  • C. 45-55

Correct Answer:

17-30


3 .  Air contains volume of carbon dioxide approximately?

  • A. 0.03%
  • B. 0.3%
  • C. 3%
  • D. 33%

Correct Answer:

0.03%


4 .  The gases which are used by drivers as an artificial atmosphere are helium and_____________?

  • A. Nitrogen
  • B. Oxygen
  • C. Neon
  • D. Carbon monoxide

Correct Answer:

Oxygen


5 .  The second most abundant metal found in the earth’s crust is_____________?

  • A. Silicon
  • B. Aluminium
  • C. Calcium
  • D. Sodium

Correct Answer:

Silicon


6 .  In BTU system, one BTU is equal to__________?

  • A. 2055 Joule
  • B. 1155 Joule
  • C. 2155 Joule
  • D. 1055 Joule

Correct Answer:

1055 Joule


7 .  In which system of units, gas bills are charged?

  • A. SI
  • B. CGS
  • C. BTU
  • D. CNG

Correct Answer:

BTU


8 .  All forms of energy that we use are ultimately transformed into__________?

  • A. Electrical Energy
  • B. Heat Energy
  • C. Light Energy
  • D. Chemical Energy

Correct Answer:

Heat Energy


9 .  The amount of energy in wheat is__________?

  • A. 100 K Calories/100 gram
  • B. 245 K Calories/100 gram
  • C. 348 K Calories/100 gram
  • D. 490 K Calories/100 gram

Correct Answer:

348 K Calories/100 gram


10 .  The major part of natural gas, petroleum and coal consists of?

  • A. Carbon
  • B. Chlorine
  • C. CFC
  • D. Methane

Correct Answer:

Methane