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1 Physics MCQs

In general, wind speed of 10–13 kph causes ?

  • Minor or no damage
  • Considerable damage
  • Severe damage
  • Extreme damage
0 Comments
Correct Answer: A. Minor or no damage

Explanation:

Wind speed is an important factor in meteorology, used to determine weather conditions ... Read More Details

2 Physics MCQs

Acid rain is mainly caused by emissions of __________ in the atmosphere?

  • Sulfur Dioxide and Potassium Nitrate
  • Sulfur and Charcoal
  • Nitrogen Oxide and Potassium Nitrate
  • Sulfur Dioxide and Nitrogen Oxide
0 Comments
Correct Answer: D. Sulfur Dioxide and Nitrogen Oxide

Explanation:

Acid rain is a form of precipitation that has unusually high acidity (low ... Read More Details

3 Physics MCQs

About 50% of the Earth’s crust, including the waters on the Earth and atmosphere, is?

  • Oxygen
  • Carbon Dioxide
  • Silicon
  • Clay
0 Comments
Correct Answer: A. Oxygen

Explanation:

The Earth’s crust is primarily made up of a small group of elements, ... Read More Details

4 Physics MCQs

The fourth state of matter is?

  • Water
  • Salts
  • Vapours
  • Plasma
0 Comments
Correct Answer: D. Plasma

Explanation:

Matter exists in different physical states depending on temperature and energy levels. Traditionally, ... Read More Details

5 Physics MCQs

The device used to convert Alternate Current into Direct Current is called?

  • Anemometer
  • Battery
  • Galvanometer
  • Rectifier
0 Comments
Correct Answer: D. Rectifier

Explanation:

Electric current can be of two main types: Alternating Current (AC), where the ... Read More Details

6 Biology Mcqs

In night, when photosynthesis is stopped, plants ?

  • Take in Carbon Dioxide
  • Give off Oxygen
  • Give off Carbon Dioxide
  • None of these
0 Comments
Correct Answer: C. Give off Carbon Dioxide

Explanation:

Plants carry out two main physiological processes: photosynthesis and respiration. During the daytime, ... Read More Details

7 Biology Mcqs

__________ are called the powerhouses of the cell?

  • Mitochondria
  • Vesicles
  • Lungs
  • Liver
0 Comments
Correct Answer: A. Mitochondria

Explanation:

The mitochondria are known as the powerhouses of the cell because they are ... Read More Details

8 Biology Mcqs

Chief builder of the body are ?

  • Carbohydrates
  • Proteins
  • Fats
  • None of these
0 Comments
Correct Answer: B. Proteins

Explanation:

The chief builder of the body is protein. Proteins are fundamental nutrients made ... Read More Details

9 Biology Mcqs

A balanced diet quality formula recommended by the World Health Organization is .

  • Carbohydrates 58% + Proteins 12% + Fats 30%
  • Minerals + Proteins + Fats
  • Fats + Proteins + Minerals
  • None of these
0 Comments
Correct Answer: A. Carbohydrates 58% + Proteins 12% + Fats 30%

Explanation:

A balanced diet provides the human body with all the essential nutrients, energy, ... Read More Details

10 Biology Mcqs

How many types of nutrients are there?

  • 1
  • 2
  • 3
  • None of these
0 Comments
Correct Answer: B. 2

Explanation:

Nutrients are chemical substances found in food that are essential for the growth, ... Read More Details