Prepare for Meghalaya Government Job Exams with these 50 important Science GK questions and answers frequently asked in competitive examinations.
| No. | Science Questions & Answers |
|---|---|
| 1 |
What is the SI unit of force?
Answer: Newton (N)
|
| 2 |
Which gas is most abundant in Earth’s atmosphere?
Answer: Nitrogen
|
| 3 |
Which organ pumps blood throughout the human body?
Answer: Heart
|
| 4 |
What is the chemical symbol of Gold?
Answer: Au
|
| 5 |
Which planet is known as the Red Planet?
Answer: Mars
|
| 6 |
What is the powerhouse of the cell?
Answer: Mitochondria
|
| 7 |
Which vitamin is produced when skin is exposed to sunlight?
Answer: Vitamin D
|
| 8 |
What is the boiling point of water at sea level?
Answer: 100°C
|
| 9 |
Which blood group is known as the universal donor?
Answer: O Negative
|
| 10 |
What is the speed of light in vacuum?
Answer: 3 × 10⁸ m/s
|
| 11 |
Which metal is liquid at room temperature?
Answer: Mercury
|
| 12 |
What is the largest organ in the human body?
Answer: Skin
|
| 13 |
Which gas is essential for respiration?
Answer: Oxygen
|
| 14 |
Who proposed the theory of relativity?
Answer: Albert Einstein
|
| 15 |
What is the pH value of pure water?
Answer: 7
|
| 16 |
Which part of the plant conducts photosynthesis?
Answer: Leaf
|
| 17 |
What is the chemical formula of common salt?
Answer: NaCl
|
| 18 |
Which planet is the largest in the Solar System?
Answer: Jupiter
|
| 19 |
Which vitamin helps in blood clotting?
Answer: Vitamin K
|
| 20 |
What is the study of living organisms called?
Answer: Biology
|
| 21 |
Which gas is commonly called laughing gas?
Answer: Nitrous Oxide
|
| 22 |
What is the SI unit of electric current?
Answer: Ampere
|
| 23 |
Which human blood cells help fight infections?
Answer: White Blood Cells
|
| 24 |
Which acid is present in lemons?
Answer: Citric Acid
|
| 25 |
Which scientist discovered penicillin?
Answer: Alexander Fleming
|
| 26 |
What is the nearest star to Earth?
Answer: Sun
|
| 27 |
Which organ produces insulin?
Answer: Pancreas
|
| 28 |
What is the chemical symbol of Silver?
Answer: Ag
|
| 29 |
What is the process by which plants make food?
Answer: Photosynthesis
|
| 30 |
Which gas protects Earth from harmful UV rays?
Answer: Ozone
|
| 31 |
What is the SI unit of energy?
Answer: Joule
|
| 32 |
Which planet is known for its rings?
Answer: Saturn
|
| 33 |
Which metal is used in thermometer manufacturing traditionally?
Answer: Mercury
|
| 34 |
What is the hardest natural substance?
Answer: Diamond
|
| 35 |
Which part of the eye controls the amount of light entering?
Answer: Iris
|
| 36 |
What is the chemical symbol of Iron?
Answer: Fe
|
| 37 |
Which scientist formulated the laws of motion?
Answer: Isaac Newton
|
| 38 |
What is the largest planet in the Solar System?
Answer: Jupiter
|
| 39 |
Which organ is responsible for filtering blood?
Answer: Kidneys
|
| 40 |
What is the atomic number of Hydrogen?
Answer: 1
|
| 41 |
Which gas is released during photosynthesis?
Answer: Oxygen
|
| 42 |
Which vitamin deficiency causes scurvy?
Answer: Vitamin C
|
| 43 |
What is the SI unit of temperature?
Answer: Kelvin
|
| 44 |
Which scientist discovered gravity?
Answer: Isaac Newton
|
| 45 |
Which organ controls the nervous system?
Answer: Brain
|
| 46 |
What is the chemical formula of water?
Answer: H₂O
|
| 47 |
Which blood vessels carry blood away from the heart?
Answer: Arteries
|
| 48 |
Which layer of Earth is composed of molten rock?
Answer: Mantle
|
| 49 |
What is the study of microorganisms called?
Answer: Microbiology
|
| 50 |
Which gas is used by plants during photosynthesis?
Answer: Carbon Dioxide
|
Why This Topic Is Important for Meghalaya Government Job Exams
Science General Knowledge is a high-scoring section in Meghalaya Government Job Exams and is frequently included in MPSC, Meghalaya Police, SSC, Banking Exams, and various Competitive Exams. Questions from Physics, Chemistry, Biology, Human Anatomy, Environment, and Space Science regularly appear in recruitment examinations. A strong foundation in basic science helps candidates answer questions quickly and accurately while improving overall General Knowledge performance.
Preparation Tips
- Focus on fundamental concepts of Physics, Chemistry, and Biology commonly asked in competitive examinations.
- Memorize important scientific units, chemical symbols, formulas, and discoveries.
- Study the human body systems, vitamins, diseases, and essential biological processes.
- Revise planets, the Solar System, atmosphere, and environmental science topics regularly.
- Practice previous year question papers and daily GK quizzes to improve retention.
- Create short notes for important scientific facts and formulas for quick revision.
Conclusion
These Science Questions and Answers provide an excellent resource for aspirants preparing for Meghalaya Government Job Exams, MPSC, Meghalaya Police recruitment, SSC, Banking Exams, and other Competitive Exams. Regular revision of science GK topics strengthens conceptual understanding, improves exam performance, and enhances confidence during competitive examinations. Keep visiting HillStateJobs for the latest job notifications, previous year questions, GK study materials, current affairs updates, and exam preparation resources specially curated for Meghalaya aspirants.
