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1 Biology Mcqs

The study of X-rays and their medical applications is called ________?

  • Radiology
  • Raciology
  • Rheumatology
  • Rheology
0 Comments
Correct Answer: A. Radiology

Explanation:

The study of X-rays and their use in diagnosing and treating medical conditions ... Read More Details

2 Biology Mcqs

The protein Improtin-11, recently discovered by scientists, is linked to which type of cancer?

  • Blood cancer
  • Colorectal cancer
  • Lung cancer
  • Prostate cancer
0 Comments
Correct Answer: B. Colorectal cancer

Explanation:

Improtin-11 is a protein recently discovered by scientists, and research has shown that ... Read More Details

3 Chemistry MCQs

Which gas is usually released when an acid reacts with a metal?

  • Ammonia gas
  • Chlorine
  • Oxygen
  • Hydrogen gas
0 Comments
Correct Answer: D. Hydrogen gas

Explanation:

When an acid reacts with a metal, a chemical reaction occurs that usually ... Read More Details

4 Chemistry MCQs

Which symbol is used to represent the proton number?

  • M
  • Z
  • P
  • A
0 Comments
Correct Answer: B. Z

Explanation:

In chemistry, the proton number is a fundamental concept in atomic structure. The ... Read More Details

5 Chemistry MCQs

Elements that have the same number of protons but a different number of neutrons are called what?

  • Isotopes
  • Isomers
  • Allotropes
  • Allomers
0 Comments
Correct Answer: A. Isotopes

Explanation:

In chemistry, the term isotopes refers to atoms of a single element that ... Read More Details

6 Physics MCQs

The Hydrogen Bomb works on the principle of which process?

  • Nuclear fusion
  • Artificial radioactivity
  • Natural radioactivity
  • Nuclear fission
0 Comments
Correct Answer: A. Nuclear fusion

Explanation:

A Hydrogen Bomb, also called a thermonuclear bomb, operates on the principle of ... Read More Details

7 Chemistry MCQs

Brass gets discoloured in air due to the presence of which gas?

  • Carbon dioxide
  • Oxygen
  • Nitrogen
  • Hydrogen sulphide
0 Comments
Correct Answer: D. Hydrogen sulphide

Explanation:

Brass is an alloy made mainly of copper (Cu) and zinc (Zn). When ... Read More Details

8 Chemistry MCQs

A breath test used by traffic police to check drunken driving works on which chemical reaction?

  • Turmeric on filter paper
  • Silica gel coated with silver nitrate
  • Potassium permanganate–sulphuric acid
  • Potassium dichromate–sulphuric acid
0 Comments
Correct Answer: D. Potassium dichromate–sulphuric acid

Explanation:

The breath test for detecting alcohol consumption relies on a simple but effective ... Read More Details

9 Chemistry MCQs

What is the chemical formula of Sodium Carbonate?

  • Na₃CO₂
  • CNa₂O₃
  • Na₂CO₃
  • Na₃CO₃
0 Comments
Correct Answer: C. Na₂CO₃

Explanation:

Sodium Carbonate (Na₂CO₃) is an important inorganic compound widely used in both industrial ... Read More Details

10 Chemistry MCQs

A mixture of sand and naphthalene can be separated by which method?

  • Chromatography
  • Fractional distillation
  • Sublimation
  • None of these
0 Comments
Correct Answer: C. Sublimation

Explanation:

The separation of a mixture of sand and naphthalene is a ... Read More Details

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