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1 Physics MCQs

Radioactive isotope of Uranium used in nuclear bomb is?

  • 92 U 235
  • 92 U 234
  • 92 U 233
  • 92 U 238
0 Comments
Correct Answer: A. 92 U 235

Explanation:

Uranium is a naturally occurring radioactive element with the atomic number 92, meaning ... Read More Details

2 Chemistry MCQs

Rectified spirit contains alcohol about?

  • 80%
  • 95%
  • 70%
  • 85%
0 Comments
Correct Answer: B. 95%

Explanation:

Rectified spirit is a highly concentrated form of alcohol obtained by repeated distillation ... Read More Details

3 Biology Mcqs

Which woody raw material is used for the manufacture of paper pulp?

  • Cotton
  • Poplar
  • Bagasse
  • Rice straw
0 Comments
Correct Answer: B. Poplar

Explanation:

Paper pulp is the main raw material used in the paper-making industry. It ... Read More Details

4 Chemistry MCQs

Which of the following elements is not present abundantly in Earth’s crust?

  • Silicon
  • Radium
  • Aluminum
  • Carbon
0 Comments
Correct Answer: B. Radium

Explanation:

The Earth's crust is made up of many chemical elements, but some are ... Read More Details

5 Biology Mcqs

The famous book Al-Qanun was written by the Muslim scientist?

  • Jabar bin Hayyan
  • Zakariya Al-Razi
  • Abu Ali Sina
  • Abdul Qasim Majreeti
0 Comments
Correct Answer: C. Abu Ali Sina

Explanation:

Al-Qanun fi al-Tibb (The Canon of Medicine) is one of the ... Read More Details

6 Chemistry MCQs

Basic metals can be converted into gold by:

  • Heating
  • Beating
  • Artificial nuclear radioactivity
  • Chemical reaction
0 Comments
Correct Answer: C. Artificial nuclear radioactivity

Explanation:

The idea of converting ordinary metals into gold has fascinated humans for centuries. ... Read More Details

7 Everyday Science MCQs

One of the main functions of the Earth’s ozone layer is to?

  • Prevent global warming
  • Filter out ultraviolet rays
  • Absorb pollution
  • All of the above
0 Comments
Correct Answer: B. Filter out ultraviolet rays

Explanation:

The ozone layer is a thin, naturally occurring layer of gas located in ... Read More Details

8 Biology Mcqs

Study of life in outer space is known as?

  • Endobiology
  • Exobiology
  • Enterobiology
  • Neobiology
0 Comments
Correct Answer: B. Exobiology

Explanation:

The study of life in outer space is known as Exobiology. This branch ... Read More Details

9 Biology Mcqs

Person with which blood group is considered to be a universal recipient?

  • A+
  • B+
  • AB+
  • O+
0 Comments
Correct Answer: C. AB+

Explanation:

Blood transfusion is a life-saving medical procedure in which blood or blood components ... Read More Details

10 Biology Mcqs

The name of the common mineral salt present in sweat is?

  • Calcium Oxalate
  • Potassium Sulphate
  • Sodium Chloride
  • Iron Sulphate
0 Comments
Correct Answer: C. Sodium Chloride

Explanation:

Sweating is a natural process that helps the human body regulate temperature and ... Read More Details