OSSSC RI, ARI, Amin, SFS, ICDS Supervisor exams often include a section on general science to assess candidates’ knowledge of fundamental scientific principles. This article presents a curated list of 30 General Science Multiple Choice Questions (MCQs) suitable for individuals preparing for OSSSC RI, ARI, Amin, SFS, ICDS Supervisor exams. These questions are designed to challenge your understanding of 10th standard science level.
Top 30 General Science MCQS For OSSSC RI,ARI, Amin, SFS, ICDS Supervisor
Mastering these general science concepts is crucial for success in competitive exams. Regular practice with such MCQs will not only enhance your knowledge but also improve your problem-solving skills. Remember to review the explanations for each answer to deepen your understanding of these fundamental scientific principles. Good luck with your preparations!
- Question: What is the chemical symbol for gold?
- A) G
- B) Au
- C) Ag
- D) Fe
- Answer: B) Au
- Question: Which gas is responsible for the green color of plants?
- A) Oxygen
- B) Nitrogen
- C) Carbon dioxide
- D) Chlorophyll
- Answer: D) Chlorophyll
- Question: What is the SI unit of force?
- A) Newton
- B) Watt
- C) Joule
- D) Volt
- Answer: A) Newton
- Question: Which planet is known as the Red Planet?
- A) Venus
- B) Mars
- C) Jupiter
- D) Saturn
- Answer: B) Mars
- Question: What is the main component of natural gas?
- A) Oxygen
- B) Methane
- C) Nitrogen
- D) Carbon dioxide
- Answer: B) Methane
- Question: What is the process of conversion of water vapor into liquid water called?
- A) Condensation
- B) Evaporation
- C) Sublimation
- D) Precipitation
- Answer: A) Condensation
- Question: Which element is essential for the formation of bones and teeth?
- A) Iron
- B) Calcium
- C) Sodium
- D) Potassium
- Answer: B) Calcium
- Question: What is the chemical formula for water?
- A) H2O2
- B) CO2
- C) H2O
- D) CH4
- Answer: C) H2O
- Question: The process of photosynthesis occurs in which part of the plant?
- A) Roots
- B) Leaves
- C) Stem
- D) Flowers
- Answer: B) Leaves
- Question: Which gas is responsible for the greenhouse effect?
- A) Oxygen
- B) Carbon dioxide
- C) Nitrogen
- D) Hydrogen
- Answer: B) Carbon dioxide
- Question: What is the unit of electric current?
- A) Ampere
- B) Volt
- C) Ohm
- D) Watt
- Answer: A) Ampere
- Question: Which gas is used for extinguishing fires?
- A) Oxygen
- B) Nitrogen
- C) Helium
- D) Carbon dioxide
- Answer: D) Carbon dioxide
- Question: The hardest naturally occurring substance on Earth is?
- A) Iron
- B) Diamond
- C) Gold
- D) Silver
- Answer: B) Diamond
- Question: Who proposed the theory of relativity?
- A) Isaac Newton
- B) Albert Einstein
- C) Galileo Galilei
- D) Stephen Hawking
- Answer: B) Albert Einstein
- Question: What is the powerhouse of the cell?
- A) Nucleus
- B) Mitochondria
- C) Ribosome
- D) Endoplasmic reticulum
- Answer: B) Mitochondria
- Question: Which gas is responsible for the smell of rotten eggs?
- A) Hydrogen
- B) Oxygen
- C) Sulphur dioxide
- D) Methane
- Answer: C) Sulphur dioxide
- Question: What is the chemical symbol for table salt?
- A) NaCl
- B) HCl
- C) KCl
- D) MgCl2
- Answer: A) NaCl
- Question: Which vitamin is known as the ‘Sunshine Vitamin’?
- A) Vitamin C
- B) Vitamin A
- C) Vitamin D
- D) Vitamin E
- Answer: C) Vitamin D
- Question: The process of conversion of a gas into a liquid is called?
- A) Vaporization
- B) Condensation
- C) Sublimation
- D) Evaporation
- Answer: B) Condensation
- Question: What is the chemical symbol for silver?
- A) S
- B) Si
- C) Ag
- D) Au
- Answer: C) Ag
- Question: Which gas is responsible for the formation of acid rain?
- A) Carbon dioxide
- B) Nitrogen oxide
- C) Oxygen
- D) Methane
- Answer: B) Nitrogen oxide
- Question: What is the SI unit of energy?
- A) Watt
- B) Joule
- C) Volt
- D) Ampere
- Answer: B) Joule
- Question: The process of conversion of water into steam is called?
- A) Condensation
- B) Evaporation
- C) Sublimation
- D) Fusion
- Answer: B) Evaporation
- Question: Which gas is produced during photosynthesis?
- A) Oxygen
- B) Carbon dioxide
- C) Hydrogen
- D) Nitrogen
- Answer: A) Oxygen
- Question: The nucleus of an atom is composed of?
- A) Protons and electrons
- B) Protons and neutrons
- C) Electrons and neutrons
- D) Electrons and positrons
- Answer: B) Protons and neutrons
- Question: Which gas is used in the preparation of soda water?
- A) Oxygen
- B) Nitrogen
- C) Carbon dioxide
- D) Hydrogen
- Answer: C) Carbon dioxide
- Question: What is the chemical symbol for hydrogen?
- A) Hg
- B) He
- C) H
- D) O
- Answer: C) H
- Question: Which gas is responsible for the characteristic smell of rotten apples?
- A) Oxygen
- B) Nitrogen
- C) Ethylene
- D) Methane
- Answer: C) Ethylene
- Question: What is the chemical formula for common salt?
- A) NaSO4
- B) NaHCO3
- C) NaCl
- D) NaOH
- Answer: C) NaCl
- Question: The process of conversion of water into ice is called?
- A) Condensation
- B) Evaporation
- C) Sublimation
- D) Freezing
- Answer: D) Freezing
