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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 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

2 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

3 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

4 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

5 Biology Mcqs

Sensitive layer of the eye is?

  • Choroids
  • Sclerotic
  • Retina
  • Cornea
0 Comments
Correct Answer: C. Retina

Explanation:

The human eye is a highly specialized sensory organ that detects light and ... Read More Details

6 Chemistry MCQs

Laughing gas has a chemical composition of which two elements?

  • Nitrogen + Hydrogen
  • Nitrogen + Carbon
  • Nitrogen + Oxygen
  • Oxygen + Carbon
0 Comments
Correct Answer: C. Nitrogen + Oxygen

Explanation:

Laughing gas is a common name for a chemical compound called nitrous oxide ... Read More Details

7 Biology Mcqs

Which triplet in DNA codes for valine?

  • CTT
  • AGU
  • AAT
  • None of these
0 Comments
Correct Answer: D. None of these

Explanation:

Proteins are made up of smaller building blocks called amino acids, and each ... Read More Details

8 Biology Mcqs

What is the chance of a diabetic baby being born to parents both heterozygous normal?

  • Zero
  • ¼
  • ½
  • ¾
0 Comments
Correct Answer: B. ¼

Explanation:

Diabetes, in many cases, can be inherited when the responsible gene is passed ... Read More Details

9 Biology Mcqs

Which form of drug abuse involves the most risk of infection with the HIV (AIDS) virus?

  • Cigarette smoking
  • Using alcohol
  • Injection of heroin
  • Taking too much aspirin
0 Comments
Correct Answer: C. Injection of heroin

Explanation:

HIV, or Human Immunodeficiency Virus, is a virus that attacks the immune system, ... Read More Details

10 Biology Mcqs

Role of biotechnology in the production of food is based on ?

  • Decomposition
  • Respiration
  • Digestion
  • Fermentation
0 Comments
Correct Answer: D. Fermentation

Explanation:

Biotechnology is a branch of science that uses living organisms, their systems, or ... Read More Details

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