General Science – GK Questions and Answers (MCQs)
General Science is all around us. From why the sky is blue to how electricity powers our homes, science explains the little things that shape our everyday lives. It helps us understand how the world works — from the food we eat to the machines we use.
In competitive exams, General Science is a core part of the General Awareness section, with questions based on basic concepts from Physics, Chemistry, Biology, and Environment. At GKwizard, we’ve compiled an extensive set of MCQs on General Science to help you prepare for exams like SSC, Railways, UPSC, CDS, Banking, and various state-level government jobs.
What’s Available in This Section?
- 200+ carefully selected MCQs on General Science
- Covers both static concepts and application-based questions
- Answers with easy-to-understand explanations
- Questions based on previous year papers and latest trends
- Ideal for both prelims and mains of various competitive exams
General Science Practice MCQ Question and Answer
2
Which of the following is the chemical symbol for water?
3
What is the powerhouse of the cell?
4
Which of the following is a primary color?
5
What is the process by which plants make their own food?
6
The deficiency of which vitamin causes night blindness?
7
What is the chemical symbol for gold?
8
Which gas is most abundant in the Earth's atmosphere?
9
What is the boiling point of water at standard atmospheric pressure?
10
Which of the following is a renewable source of energy?
11
What is the scientific study of living organisms called?
12
Which planet is known as the "Red Planet"?
13
What is the chemical formula for table salt?
14
The speed of light in a vacuum is approximately?
15
Which of the following is a communicable disease?
16
What is the function of red blood cells?
17
What is the pH value of pure water?
18
Which of the following is a greenhouse gas?
19
What is the unit of measurement for electric current?
20
Which of the following is a multicellular organism?
21
What is the chemical symbol for iron?
22
The process of water turning into vapor is called?
23
Which of the following is an example of a non-renewable resource?
24
What is the function of the digestive system?
25
Which of the following is a vector-borne disease?
26
What is the primary function of the nervous system?
27
What is the chemical symbol for silver?
28
The change of state from a gas to a liquid is called?
29
Which of the following is a mixture?
30
What is the function of the skeletal system?
Topics Covered Under General Science GK:
This section helps you revise important concepts from:
- Physics – Motion, force, sound, light, electricity, magnetism, energy
- Chemistry – Elements, compounds, acids & bases, chemical reactions, everyday chemistry
- Biology – Human body, diseases, nutrition, plant life, cells, genetics
- Environmental Science – Pollution, climate change, natural resources, sustainability
- Everyday Science – Scientific facts and reasons behind daily phenomena
- Space & Technology – ISRO missions, satellites, astronomy basics
- Latest Science Developments – Recent innovations, awards, and discoveries
Benefits of Practicing General Science MCQs
- Frequently asked in SSC, UPSC, Railways, CDS, and Police exams
- High-scoring section with concept-based questions
- Improves scientific thinking and real-world application
- Boosts performance in interviews and personality tests
- Easy to retain when revised through quizzes
NOTE: You don’t need to be a science topper to score well in this section. Just focus on the basics, revise regularly, and practice through MCQs. With GKwizard’s structured approach to General Science GK, you can improve your score and your understanding — all in one place.