Hello defence lovers! Are you looking for 100+ General Science MCQs for NDA? look no further because, in this blog post, we have bought you the top 100 General Science MCQs to boost your NDA Preparation along with the download link to the PDF format of the questions.
General Science consists of questions from basic concepts of Physics, Chemistry and Biology till class 12th. The questions from this section of the NDA written examination are very easy to solve and do not require deep conceptual knowledge of the concepts, all you need to go through the basic definition, concepts and formulas.
Even though the questions are of easy level but you need to have a thorough practice of the questions in MCQ format to perform well in the exam. In this practice PDF of 100+ General Science MCQs for NDA, we have got all covered!
100+ General Science MCQs for NDA
- The chemical name of common salt is:
a) Sodium chloride
b) Sodium carbonate
c) Sodium nitrate
d) Sodium bicarbonate - The process of conversion of a solid directly into a gas is called:
a) Sublimation
b) Condensation
c) Evaporation
d) Melting - The unit of electric current is:
a) Ampere
b) Volt
c) Watt
d) Ohm - The process of separating different components of a liquid mixture by boiling and condensing is called:
a) Filtration
b) Distillation
c) Evaporation
d) Decantation - Which gas is most abundant in the Earth’s atmosphere?
a) Nitrogen
b) Oxygen
c) Carbon dioxide
d) Hydrogen - What is the chemical formula for water?
a) H2O
b) CO2
c) NaCl
d) HCl - Which of the following is an example of a renewable energy source?
a) Coal
b) Natural gas
c) Solar power
d) Petroleum - What is the SI unit of force?
a) Newton
b) Joule
c) Pascal
d) Watt - The process by which plants make their own food using sunlight is called:
a) Photosynthesis
b) Respiration
c) Fermentation
d) Transpiration - The human body’s main source of energy is derived from the metabolism of:
a) Carbohydrates
b) Proteins
c) Fats
d) Vitamins - Which of the following is an example of a mammal?
a) Turtle
b) Eagle
c) Shark
d) Lion - What is the chemical symbol for iron?
a) Fe
b) Ag
c) Pb
d) Cu - What is the primary function of the kidneys in the human body?
a) Production of bile
b) Production of insulin
c) Filtration of blood
d) Production of red blood cells - What is the main component of the Earth’s core?
a) Iron
b) Silicon
c) Oxygen
d) Hydrogen - What is the chemical formula for table sugar?
a) C6H12O6
b) NaCl
c) CO2
d) H2O - Which of the following is a greenhouse gas?
a) Nitrogen
b) Oxygen
c) Carbon dioxide
d) Hydrogen - What is the largest organ in the human body?
a) Liver
b) Brain
c) Heart
d) Skin - What is the process by which plants release water vapor into the atmosphere?
a) Transpiration
b) Respiration
c) Photosynthesis
d) Evaporation - What is the chemical symbol for gold?
a) Au
b) Ag
c) Pt
d) Cu - Which of the following is a primary color of light?
a) Red
b) Green
c) Yellow
d) Purple - What is the function of the ozone layer in the Earth’s atmosphere?
a) It protects the Earth from ultraviolet radiation
b) It regulates the Earth’s temperature
c) It produces oxygen for plants
d) It filters pollutants from the air - What is the smallest unit of an element that retains its chemical properties?
a) Atom
b) Molecule
c) Cell
d) Ion - What is the chemical symbol for helium?
a) He
b) H
c) O
d) C - Which of the following is an example of a non-metal?
a) Iron
b) Copper
c) Aluminum
d) Oxygen - What is the process by which plants convert sunlight into chemical energy?
a) Photosynthesis
b) Respiration
c) Fermentation
d) Transpiration - What is the pH of a neutral substance?
a) 7
b) 1
c) 14
d) 0 - Which of the following is an example of a simple machine?
a) Screw
b) Battery
c) Motor
d) Computer - What is the largest planet in our solar system?
a) Jupiter
b) Saturn
c) Mars
d) Earth - What is the primary function of the respiratory system?
a) Pumping blood
b) Digesting food
c) Exchanging gases
d) Fighting infection - What is the chemical symbol for sodium?
a) Na
b) Ni
c) Sn
d) Ne - What is the process by which a solid changes directly into a gas without becoming a liquid?
a) Sublimation
b) Condensation
c) Evaporation
d) Melting - Which of the following is an example of a conductor of electricity?
a) Plastic
b) Wood
c) Copper
d) Rubber - What is the main function of white blood cells in the human body?
a) Carrying oxygen
b) Fighting infection
c) Producing hormones
d) Breaking down food - Which of the following is an example of a fossil fuel?
a) Natural gas
b) Solar power
c) Wind energy
d) Hydroelectric power - What is the chemical formula for carbon dioxide?
a) CO2
b) H2O
c) NaCl
d) C6H12O6 - What is the SI unit of pressure?
a) Pascal
b) Newton
c) Ampere
d) Joule - What is the main component of the Earth’s atmosphere?
a) Nitrogen
b) Oxygen
c) Carbon dioxide
d) Water vapor - What is the function of the red blood cells in the human body?
a) Carrying oxygen
b) Fighting infection
c) Breaking down food
d) Producing hormones - Which of the following is a renewable source of energy?
a) Coal
b) Natural gas
c) Solar power
d) Petroleum - What is the chemical symbol for silver?
a) Ag
b) Au
c) Pt
d) Cu - What is the process by which liquid water changes into water vapor?
a) Evaporation
b) Condensation
c) Sublimation d) Melting - Which of the following is an example of an insulator of electricity?
a) Copper
b) Aluminum
c) Plastic
d) Glass - What is the main function of the circulatory system in the human body?
a) Pumping blood
b) Digesting food
c) Exchanging gases
d) Fighting infection - What is the chemical symbol for oxygen?
a) O
b) H
c) He
d) C - Which of the following is an example of a metal?
a) Carbon
b) Oxygen
c) Iron
d) Nitrogen - What is the primary function of the digestive system in the human body?
a) Pumping blood
b) Exchanging gases
c) Breaking down food
d) Fighting infection - What is the chemical symbol for potassium?
a) K
b) Na
c) Ca
d) Mg - Which of the following is an example of a heterogeneous mixture?
a) Saltwater
b) Milk
c) Air
d) Sand and water - What is the process by which an organism produces offspring similar to itself?
a) Reproduction
b) Respiration
c) Photosynthesis
d) Digestion - What is the main component of the Earth’s crust?
a) Silicon
b) Iron
c) Oxygen
d) Hydrogen - Which of the following is an example of a compound?
a) Oxygen
b) Iron
c) Water
d) Helium - What is the function of the mitochondria in a cell?
a) Producing energy
b) Controlling cell division
c) Carrying genetic information
d) Synthesizing proteins - What is the chemical symbol for nitrogen?
a) N
b) H
c) He
d) O - Which of the following is an example of a vertebrate?
a) Frog
b) Butterfly
c) Spider
d) Worm - What is the primary function of the nervous system in the human body?
a) Pumping blood
b) Digesting food
c) Exchanging gases
d) Transmitting signals - What is the chemical symbol for carbon?
a) C
b) O
c) H
d) N - Which of the following is an example of a homogeneous mixture?
a) Saltwater
b) Milk
c) Air
d) Sand and water - What is the process by which plants and animals release energy from food?
a) Respiration
b) Reproduction
c) Photosynthesis
d) Digestion - What is the function of the cell membrane?
a) Protecting the cell
b) Controlling cell division
c) Carrying genetic information
d) Synthesizing proteins - What is the chemical symbol for hydrogen?
a) H
b) O
c) He
d) C - Which of the following is an example of an invertebrate?
a) Frog
b) Butterfly
c) Spider
d) Fish - What is the primary function of the skeletal system in the human body?
a) Pumping blood
b) Digesting food
c) Exchanging gases
d) Providing support - What is the chemical symbol for calcium?
a) Ca
b) Na
c) K
d) Mg - Which of the following is an example of a solution?
a) Saltwater
b) Milk
c) Air
d) Sand and water - What is the process by which plants and animals exchange gases with the environment?
a) Respiration
b) Reproduction
c) Photosynthesis
d) Digestion - What is the function of the nucleus in a cell?
a) Controlling cell division
b) Producing energy
c) Carrying genetic information
d) Synthesizing proteins - What is the chemical symbol for oxygen?
a) O
b) H
c) He
d) C - Which of the following is an example of an arthropod?
a) Frog
b) Butterfly
c) Spider
d) Fish - What is the primary function of the muscular system in the human body?
a) Pumping blood
b) Digesting food
c) Exchanging gases
d) Producing movement - What is the chemical symbol for potassium?
a) K
b) Na
c) Ca
d) Mg - Which of the following is an example of a suspension?
a) Saltwater
b) Milk
c) Air
d) Sand and water - What is the process by which organisms produce offspring that are different from themselves?
a) Reproduction
b) Respiration
c) Photosynthesis
d) Digestion - What is the main component of the Earth’s atmosphere?
a) Nitrogen
b) Oxygen
c) Carbon dioxide
d) Water vapor - What is the chemical symbol for silver?
a) Ag
b) Au
c) Pt
d) Cu - Which of the following is an example of a metalloid?
a) Silicon
b) Oxygen
c) Iron
d) Nitrogen - What is the primary function of the respiratory system in the human body?
a) Pumping blood
b) Digesting food
c) Exchanging gases
d) Fighting infection - What is the chemical symbol for potassium?
a) K
b) Na
c) Ca
d) Mg - Which of the following is an example of a heterogeneous mixture?
a) Saltwater
b) Milk
c) Air
d) Sand and water - What is the process by which an organism produces offspring similar to itself?
a) Reproduction
b) Respiration
c) Photosynthesis
d) Digestion - What is the main component of the Earth’s crust?
a) Silicon
b) Iron
c) Oxygen
d) Hydrogen - Which of the following is an example of a compound?
a) Oxygen
b) Iron
c) Water
d) Helium - What is the function of the mitochondria in a cell?
a) Producing energy
b) Controlling cell division
c) Carrying genetic information
d) Synthesizing proteins - What is the chemical symbol for nitrogen?
a) N
b) H
c) He
d) O
- Which of the following is an example of a vertebrate?
a) Frog
b) Butterfly
c) Spider
d) Worm - What is the primary function of the nervous system in the human body?
a) Pumping blood
b) Digesting food
c) Exchanging gases
d) Transmitting signals - What is the chemical symbol for carbon?
a) C
b) O
c) H
d) N - Which of the following is an example of a homogeneous mixture?
a) Saltwater
b) Milk
c) Air
d) Sand and water - What is the process by which plants and animals release energy from food?
a) Respiration
b) Reproduction
c) Photosynthesis
d) Digestion - What is the function of the cell membrane?
a) Protecting the cell
b) Controlling cell division
c) Carrying genetic information
d) Synthesizing proteins - What is the chemical symbol for hydrogen?
a) H
b) O
c) He
d) C - Which of the following is an example of an invertebrate?
a) Frog
b) Butterfly
c) Spider
d) Fish - What is the primary function of the skeletal system in the human body?
a) Pumping blood
b) Digesting food
c) Exchanging gases
d) Providing support - What is the chemical symbol for calcium?
a) Ca
b) Na
c) K
d) Mg - Which of the following is an example of a solution?
a) Saltwater
b) Milk
c) Air
d) Sand and water - What is the process by which plants and animals exchange gases with the environment?
a) Respiration
b) Reproduction
c) Photosynthesis
d) Digestion - What is the function of the nucleus in a cell?
a) Controlling cell division
b) Producing energy
c) Carrying genetic information
d) Synthesizing proteins - What is the chemical symbol for oxygen?
a) O
b) H
c) He
d) C - Which of the following is an example of an arthropod?
a) Frog
b) Butterfly
c) Spider
d) Fish - What is the primary function of the muscular system in the human body?
a) Pumping blood
b) Digesting food
c) Exchanging gases
d) Producing movement - What is the chemical symbol for potassium?
a) K
b) Na
c) Ca
d) Mg
100+ General Science MCQs for NDA Answer Key
Here are the answers to the previous set of multiple-choice questions:
- a) Sodium chloride
- a) Sublimation
- a) Ampere
- b) Distillation
- a) Nitrogen
- a) H2O
- c) Solar power
- a) Newton
- a) Photosynthesis
- a) Carbohydrates
- d) Lion
- a) Fe
- c) Filtration of blood
- a) Iron
- a) C6H12O6
- c) Carbon dioxide
- d) Skin
- a) Transpiration
- a) Au
- b) Green
- a) It protects the Earth from ultraviolet radiation
- a) Atom
- a) He
- d) Oxygen
- a) Photosynthesis
- a) 7
- a) Screw
- a) Jupiter
- c) Exchanging gases
- a) Na
- a) Sublimation
- c) Copper
- b) Fighting infection
- a) Natural gas
- a) CO2
- a) Pascal
- a) Nitrogen
- a) Carrying oxygen
- c) Solar power
- a) Ag
- a) Evaporation
- c) Plastic
- a) Pumping blood
- a) O
- c) Iron
- c) Breaking down food
- a) K
- d) Sand and water
- a) Reproduction
- a) Silicon
- c) Water
- a) Producing energy
- a) N
- a) Frog
- d) Transmitting signals
- a) C
- a) Saltwater
- a) Respiration
- a) Protecting the cell
- a) H
- c) Spider
- d) Providing support
- a) Ca
- a) Saltwater
- a) Respiration
- c) Carrying genetic information
- a) O
- c) Spider
- d) Producing movement
- a) K
- d) Sand and water
- a) Reproduction
- a) Nitrogen
- a) Ag
- a) Silicon
- c) Exchanging gases
- a) K
- d) Sand and water
- a) Reproduction
- c) Oxygen
- c) Water
- a) Producing energy
- a) N
- a) Frog
- d) Transmitting signals
- a) C
- a) Saltwater
- a) Respiration
- a) Protecting the cell
- a) H
- c) Spider
- d) Providing support
- a) Ca
- a) Saltwater
- a) Respiration
- c) Carrying genetic information
- a) O
- c) Spider
- d) Producing movement
- a) K
100+ General Science MCQs for NDA PDF Download Link
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