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Everyday Science MCQs

Learn important and useful science facts that help you in daily life and job exams with our Everyday Science MCQs. This section covers simple questions from physics, chemistry, biology, environment, and general science. You will understand things like how the human body works, how machines run, natural events, and more. These MCQs are made for job tests like FPSC, NTS, PPSC, SPSC, BPSC, PMS, CSS, ISSB, and one-paper exams. All questions follow the latest syllabus and paper patterns. At Jobexams, we prepare everything to help you pass your job exams and job tests easily. New questions are added regularly — so you can stay ready and confident.

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1 Biology Mcqs

What is the main component of bones and teeth?

  • Calcium carbonate
  • Calcium phosphate
  • Calcium sulphate
  • Calcium nitrate
0 Comments
Correct Answer: B. Calcium phosphate

Explanation:

The main component of bones and teeth is calcium phosphate, a mineral compound ... Read More Details

2 Biology Mcqs

The main constituent of hemoglobin is ?

  • Chlorine
  • Iron
  • Calcium
  • None of these
0 Comments
Correct Answer: B. Iron

Explanation:

Hemoglobin is a specialized protein molecule in red blood cells (RBCs) that plays ... Read More Details

3 Biology Mcqs

The function of hemoglobin is ?

  • Transportation of oxygen
  • Destruction of bacteria
  • Prevention of anemia
  • Utilization of energy
0 Comments
Correct Answer: A. Transportation of oxygen

Explanation:

Hemoglobin is a vital protein molecule found in red blood cells (RBCs) that ... Read More Details

4 Biology Mcqs

Which of the following glands secrete tears?

  • Lachrymal
  • Pituitary
  • Thyroid
  • Pancreas
0 Comments
Correct Answer: A. Lachrymal

Explanation:

The lachrymal gland is the gland in the human body responsible for producing ... Read More Details

5 Biology Mcqs

A person of which of the following blood groups is called a universal donor?

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

Explanation:

Human blood is classified into four main groups: A, B, AB, and O, ... Read More Details

6 Biology Mcqs

Which is the largest gland in the human body?

  • Thyroid
  • Liver
  • Pancreas
  • None of these
0 Comments
Correct Answer: B. Liver

Explanation:

The liver is the largest gland in the human body, performing a wide ... Read More Details

7 Biology Mcqs

How many bones are there in a newly born infant?

  • 206
  • 230
  • 280
  • 300
0 Comments
Correct Answer: D. 300

Explanation:

The human skeletal system changes as a person grows from infancy to adulthood. ... Read More Details

8 Biology Mcqs

Which gland in the human body is called the master gland?

  • Pancreas
  • Thyroid
  • Pituitary
  • Spleen
0 Comments
Correct Answer: C. Pituitary

Explanation:

The pituitary gland is known as the master gland of the human body ... Read More Details

9 Biology Mcqs

Which of the following have maximum calorific value?

  • Carbohydrates
  • Fats
  • Proteins
  • Vitamins
0 Comments
Correct Answer: B. Fats

Explanation:

The calorific value of a nutrient refers to the amount of energy it ... Read More Details

10 Biology Mcqs

Vitamin that promotes healthy eyesight in humans is:

  • Vitamin B
  • Vitamin C
  • Vitamin A
  • Vitamin D
0 Comments
Correct Answer: C. Vitamin A

Explanation:

Vitamin A is the key vitamin responsible for maintaining healthy eyesight in humans. ... Read More Details

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