🔬 SSC 2026 • GENERAL SCIENCE

Top 50 General Science Questions for SSC 2026

Practice these important General Science questions for SSC examinations. This set covers basic Physics, Chemistry, Biology, Human Science, Environment and everyday scientific facts commonly useful for competitive examination preparation.

🎯 Government Exams

📝 SSC

🔬 General Science

❓ 50 Questions

⏱️ Practice Set

🔬 Why Practice General Science for SSC?

General Science questions can test basic concepts from Physics, Chemistry and Biology. Building a strong foundation and regularly revising important facts can make preparation more effective.

⭐ Study Tip

Focus on understanding basic scientific concepts instead of memorizing isolated facts. Revise important definitions, units, processes and everyday applications.

🧠 Top 50 General Science Questions

Try to solve each question before checking the answer.

QUESTION 01

What is the SI unit of force?

A. Joule

B. Newton

C. Watt

D. Pascal

Answer: B. Newton

QUESTION 02

Which gas is most abundant in Earth's atmosphere?

A. Oxygen

B. Nitrogen

C. Carbon Dioxide

D. Hydrogen

Answer: B. Nitrogen

QUESTION 03

Which organ pumps blood throughout the human body?

A. Liver

B. Kidney

C. Heart

D. Lung

Answer: C. Heart

QUESTION 04

What is the chemical symbol for oxygen?

A. Ox

B. O

C. Og

D. C

Answer: B. O

QUESTION 05

Which vitamin is produced in the skin in response to sunlight?

A. Vitamin A

B. Vitamin B

C. Vitamin C

D. Vitamin D

Answer: D. Vitamin D

QUESTION 06

What is the SI unit of electric current?

A. Volt

B. Ohm

C. Ampere

D. Watt

Answer: C. Ampere

QUESTION 07

Which metal is liquid at room temperature?

A. Iron

B. Mercury

C. Copper

D. Aluminium

Answer: B. Mercury

QUESTION 08

Which gas is required by plants for photosynthesis?

A. Oxygen

B. Nitrogen

C. Carbon Dioxide

D. Hydrogen

Answer: C. Carbon Dioxide

QUESTION 09

Which is the hardest naturally occurring substance?

A. Iron

B. Diamond

C. Quartz

D. Graphite

Answer: B. Diamond

QUESTION 10

What is the boiling point of water at normal atmospheric pressure?

A. 50°C

B. 75°C

C. 100°C

D. 150°C

Answer: C. 100°C

QUESTION 11

Which part of the plant is mainly responsible for photosynthesis?

A. Root

B. Stem

C. Leaf

D. Flower

Answer: C. Leaf

QUESTION 12

What is the pH value of pure water at about 25°C?

A. 3

B. 5

C. 7

D. 9

Answer: C. 7

QUESTION 13

Which blood cells help fight infections?

A. Red blood cells

B. White blood cells

C. Platelets

D. Plasma

Answer: B. White blood cells

QUESTION 14

Which organ filters waste products from the blood and helps form urine?

A. Heart

B. Liver

C. Kidney

D. Stomach

Answer: C. Kidney

QUESTION 15

What is the SI unit of power?

A. Joule

B. Newton

C. Watt

D. Volt

Answer: C. Watt

QUESTION 16

Which instrument is used to measure temperature?

A. Barometer

B. Thermometer

C. Ammeter

D. Hygrometer

Answer: B. Thermometer

QUESTION 17

Which acid is present in vinegar?

A. Citric acid

B. Acetic acid

C. Hydrochloric acid

D. Sulphuric acid

Answer: B. Acetic acid

QUESTION 18

Which vitamin is also known as ascorbic acid?

A. Vitamin A

B. Vitamin B

C. Vitamin C

D. Vitamin D

Answer: C. Vitamin C

QUESTION 19

Which force attracts objects toward the Earth?

A. Magnetic force

B. Frictional force

C. Gravitational force

D. Nuclear force

Answer: C. Gravitational force

QUESTION 20

Which gas is released during photosynthesis?

A. Oxygen

B. Nitrogen

C. Hydrogen

D. Methane

Answer: A. Oxygen

QUESTION 21

Which part of the human respiratory system is primarily responsible for gas exchange?

A. Trachea

B. Alveoli

C. Nose

D. Larynx

Answer: B. Alveoli

QUESTION 22

Which metal is commonly used for electrical wiring because of its high electrical conductivity?

A. Copper

B. Lead

C. Mercury

D. Tin

Answer: A. Copper

QUESTION 23

Which disease is caused by a deficiency of Vitamin C?

A. Rickets

B. Scurvy

C. Beriberi

D. Night blindness

Answer: B. Scurvy

QUESTION 24

Which disease is commonly associated with Vitamin D deficiency?

A. Scurvy

B. Rickets

C. Beriberi

D. Pellagra

Answer: B. Rickets

QUESTION 25

What is the chemical formula of water?

A. CO₂

B. H₂O

C. O₂

D. H₂

Answer: B. H₂O

QUESTION 26

Which device converts electrical energy into mechanical energy?

A. Electric motor

B. Generator

C. Transformer

D. Battery

Answer: A. Electric motor

QUESTION 27

Which blood component is mainly responsible for clotting?

A. Red blood cells

B. White blood cells

C. Platelets

D. Plasma proteins only

Answer: C. Platelets

QUESTION 28

Which is the largest organ of the human body?

A. Liver

B. Brain

C. Skin

D. Heart

Answer: C. Skin

QUESTION 29

What is the SI unit of electrical resistance?

A. Volt

B. Ohm

C. Ampere

D. Watt

Answer: B. Ohm

QUESTION 30

Which acid is naturally present in lemon juice?

A. Acetic acid

B. Citric acid

C. Sulphuric acid

D. Nitric acid

Answer: B. Citric acid

QUESTION 31

Which part of the cell contains the genetic material in eukaryotic cells?

A. Ribosome

B. Nucleus

C. Cell wall

D. Vacuole

Answer: B. Nucleus

QUESTION 32

Which organ produces insulin?

A. Liver

B. Pancreas

C. Kidney

D. Thyroid

Answer: B. Pancreas

QUESTION 33

Which phenomenon causes a rainbow to appear?

A. Reflection only

B. Dispersion of light

C. Absorption only

D. Magnetism

Answer: B. Dispersion of light

QUESTION 34

Which gas is commonly used in fire extinguishers?

A. Oxygen

B. Carbon dioxide

C. Hydrogen

D. Nitrogen only

Answer: B. Carbon dioxide

QUESTION 35

Which instrument is used to measure atmospheric pressure?

A. Barometer

B. Thermometer

C. Ammeter

D. Voltmeter

Answer: A. Barometer

QUESTION 36

Which type of lens is commonly used to correct myopia?

A. Convex lens

B. Concave lens

C. Cylindrical lens only

D. Plane glass

Answer: B. Concave lens

QUESTION 37

Which vitamin is important for normal blood clotting?

A. Vitamin A

B. Vitamin C

C. Vitamin K

D. Vitamin D

Answer: C. Vitamin K

QUESTION 38

Which planet is known for its prominent ring system?

A. Mars

B. Saturn

C. Mercury

D. Venus

Answer: B. Saturn

QUESTION 39

Which process changes a liquid into a gas?

A. Condensation

B. Freezing

C. Vaporisation

D. Sublimation

Answer: C. Vaporisation

QUESTION 40

Which blood group is commonly known as the universal donor for red blood cells?

A. AB+

B. A+

C. O−

D. B+

Answer: C. O−

QUESTION 41

Which simple machine consists of a wheel and a rope and is used to lift loads?

A. Pulley

B. Wedge

C. Screw

D. Lever only

Answer: A. Pulley

QUESTION 42

Which layer protects Earth from much of the Sun's harmful ultraviolet radiation?

A. Ozone layer

B. Troposphere

C. Ionosphere

D. Mesosphere

Answer: A. Ozone layer

QUESTION 43

Which part of the brain is mainly associated with balance and coordination?

A. Cerebrum

B. Cerebellum

C. Medulla

D. Spinal cord

Answer: B. Cerebellum

QUESTION 44

Which element is essential for the formation of haemoglobin?

A. Calcium

B. Iron

C. Sodium

D. Potassium

Answer: B. Iron

QUESTION 45

Which form of energy is stored in food?

A. Chemical energy

B. Sound energy

C. Nuclear energy

D. Magnetic energy

Answer: A. Chemical energy

QUESTION 46

Which gas is necessary for human respiration?

A. Nitrogen

B. Oxygen

C. Carbon dioxide

D. Hydrogen

Answer: B. Oxygen

QUESTION 47

Which device is used to measure electric current?

A. Voltmeter

B. Ammeter

C. Barometer

D. Thermometer

Answer: B. Ammeter

QUESTION 48

Which microorganism is commonly used in the production of bread?

A. Virus

B. Yeast

C. Algae

D. Protozoa

Answer: B. Yeast

QUESTION 49

Which type of energy is produced by a moving object?

A. Potential energy

B. Kinetic energy

C. Chemical energy

D. Nuclear energy

Answer: B. Kinetic energy

QUESTION 50

Which organ is primarily responsible for detoxification and processing many substances in the human body?

A. Heart

B. Liver

C. Lung

D. Spleen

Answer: B. Liver

📚 Topics Covered

This practice set combines questions from different areas of General Science.

⚛️ Physics

Force, energy, electricity, power, pressure, lenses and basic physics.

🧪 Chemistry

Acids, chemical formulas, metals, gases, pH and everyday chemistry.

🧬 Biology

Human organs, blood, vitamins, cells, plants and diseases.

🌍 Environment & Space

Atmosphere, ozone layer, planets and basic environmental science.

⚡ How to Revise These Questions

Use this practice set as a revision tool. Divide the questions into smaller groups and regularly revisit the ones you find difficult.

📌 Smart Revision Method

First attempt all 50 questions without looking at the answers. Mark the questions you got wrong, revise their concepts and attempt them again after a few days.

🎯 General Science for SSC Preparation

General Science preparation should be combined with regular practice of the other subjects required for your particular SSC examination. Focus on basic concepts, important facts, scientific terminology and everyday applications of science.

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Top 50 General Science Questions for SSC 2026

🔬 Why Practice General Science for SSC?

🧠 Top 50 General Science Questions

📚 Topics Covered

⚡ How to Revise These Questions

🎯 General Science for SSC Preparation

🚀 Continue Your SSC Preparation

❓ Ask a question or report an error

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