General Science is a crucial component of various competitive exams, including those conducted by the Odisha Subordinate Staff Selection Commission (OSSSC) for positions such as Livestock Inspector (LI), Forester, and Forest Guard (FG). To help you prepare effectively, we have compiled a set of 30 multiple-choice questions (MCQs) at a moderate difficulty level. Let’s dive into the world of science and test your knowledge!
Top 30 MCQs on General Science for OSSSC LI, Forester, FG
General Science is a crucial component of the OSSSC LI (Livestock Inspector), Forester, and FG (Forest Guard) examinations. A solid understanding of scientific principles is essential for success in these exams. To help you prepare, here are 30 multiple-choice questions with answers at a moderate difficulty level. These questions cover a range of scientific topics commonly included in these exams.
- Â Question: What is the chemical symbol for gold?
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- A) Au
- B) Ag
- C) Fe
- D) Cu
- Answer: A) 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) Pascal
- Answer: A) Newton
- Question: What is the largest organ in the human body?
- A) Liver
- B) Skin
- C) Heart
- D) Lungs
- Answer: B) Skin
- Question: Which planet is known as the “Red Planet”?
- A) Venus
- B) Mars
- C) Jupiter
- D) Saturn
- Answer: B) Mars
- Question: What is the powerhouse of the cell?
- A) Nucleus
- B) Mitochondria
- C) Ribosome
- D) Endoplasmic reticulum
- Answer: B) Mitochondria
- Question: The pH scale measures the acidity or alkalinity of a substance. What is the pH of pure water?
- A) 5
- B) 7
- C) 10
- D) 14
- Answer: B) 7
- Question: Which gas is responsible for the ozone layer depletion?
- A) Oxygen
- B) Carbon dioxide
- C) Chlorofluorocarbons (CFCs)
- D) Methane
- Answer: C) Chlorofluorocarbons (CFCs)
- Question: What is the chemical formula of water?
- A) H2O
- B) CO2
- C) CH4
- D) O2
- Answer: A) H2O
- Question: Who discovered penicillin?
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- Question: What is the main function of the kidneys in the human body?
- A) Digestion
- B) Respiration
- C) Excretion
- D) Circulation
- Answer: C) Excretion
- Question: Which gas is responsible for the greenhouse effect?
- A) Nitrogen
- B) Oxygen
- C) Carbon dioxide
- D) Hydrogen
- Answer: C) Carbon dioxide
- Question: What is the unit of electric current?
- A) Volt
- B) Ampere
- C) Ohm
- D) Watt
- Answer: B) Ampere
- Question: What is the process by which plants make their own food using sunlight?
- A) Photosynthesis
- B) Respiration
- C) Fermentation
- D) Transpiration
- Answer: A) Photosynthesis
- Question: Which gas is produced during photosynthesis?
- A) Oxygen
- B) Carbon dioxide
- C) Nitrogen
- D) Hydrogen
- Answer: A) Oxygen
- Question: What is the chemical symbol for table salt?
- A) NaCl
- B) KCl
- C) CaCl2
- D) MgCl2
- Answer: A) NaCl
- Question: Which metal is the best conductor of electricity?
- A) Copper
- B) Aluminum
- C) Iron
- D) Gold
- Answer: A) Copper
- Question: What is the largest mammal on Earth?
- A) Elephant
- B) Blue whale
- C) Giraffe
- D) Gorilla
- Answer: B) Blue whale
- Question: The process of conversion of water vapor into liquid water is called?
- A) Evaporation
- B) Condensation
- C) Sublimation
- D) Melting
- Answer: B) Condensation
- Question: What is the chemical symbol for the element iron?
- A) I
- B) Fe
- C) Ir
- D) In
- Answer: B) Fe
- Question: In the human body, where is the smallest bone located?
- A) Hand
- B) Foot
- C) Ear
- D) Nose
- Answer: C) Ear
- Question: What is the unit of measurement for frequency?
- A) Watt
- B) Hertz
- C) Joule
- D) Volt
- Answer: B) Hertz
- Question: Which gas is responsible for the smell of rotten eggs?
- A) Oxygen
- B) Hydrogen
- C) Sulfur dioxide
- D) Methane
- Answer: C) Sulfur dioxide
- Question: What is the function of red blood cells in the human body?
- A) Transporting oxygen
- B) Fighting infections
- C) Clotting blood
- D) Producing hormones
- Answer: A) Transporting oxygen
- Question: What is the chemical symbol for helium?
- A) He
- B) H
- C) Ha
- D) Hu
- Answer: A) He
- Question: Which gas is essential for combustion?
- A) Oxygen
- B) Carbon dioxide
- C) Nitrogen
- D) Hydrogen
- Answer: A) Oxygen
- Question: What is the main component of natural gas?
- A) Methane
- B) Ethane
- C) Propane
- D) Butane
- Answer: A) Methane
- Question: Who developed the laws of motion?
- A) Isaac Newton
- B) Albert Einstein
- C) Galileo Galilei
- D) Archimedes
- Answer: A) Isaac Newton
- Question: What is the chemical symbol for silver?
- A) Ag
- B) Au
- C) Al
- D) Si
- Answer: A) Ag
- Question: What is the unit of measurement for temperature on the Celsius scale?
- A) Fahrenheit
- B) Kelvin
- C) Joule
- D) Celsius
- Answer: D) Celsius
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