General Science MCQ GK

Total Questions: 200

51) What is the smallest unit of matter?

a) Atom

b) Molecule

c) Compound

d) Element

52) What type of energy is associated with the position of an object?

a) Kinetic Energy

b) Potential Energy

c) Thermal Energy

d) Chemical Energy

53) What is the chemical formula for glucose?

a) C6H12O6

b) C12H22O11

c) C6H6

d) C2H5OH

54) Which scientist proposed the theory of evolution?

a) Isaac Newton

b) Albert Einstein

c) Charles Darwin

d) Galileo Galilei

55) What is the process by which green plants make their food?

a) Digestion

b) Photosynthesis

c) Respiration

d) Fermentation

56) Which part of the human body contains the most bones?

a) Skull

b) Hands

c) Feet

d) Spine

57) What is the chemical symbol for sodium?

a) Na

b) K

c) Ca

d) Mg

58) Which layer of the Earth is liquid?

a) Crust

b) Mantle

c) Outer Core

d) Inner Core

59) What type of bond involves the transfer of electrons?

a) Covalent Bond

b) Ionic Bond

c) Hydrogen Bond

d) Metallic Bond

60) What is the main source of vitamin D for humans?

a) Food

b) Sunlight

c) Water

d) Exercise

61) Which process is used to separate different substances in a mixture?

a) Filtration

b) Evaporation

c) Condensation

d) Sublimation

62) What is the scientific name for the human species?

a) Homo sapiens

b) Homo erectus

c) Homo habilis

d) Homo neanderthalensis

63) Which organelle is known as the 'control center' of the cell?

a) Mitochondria

b) Nucleus

c) Ribosome

d) Endoplasmic Reticulum

64) What is the term for a substance that speeds up a chemical reaction?

a) Catalyst

b) Reactant

c) Product

d) Inhibitor

65) Which gas is responsible for the greenhouse effect?

a) Oxygen

b) Carbon Dioxide

c) Nitrogen

d) Argon

66) What is the main function of the circulatory system?

a) Exchange gases

b) Transport nutrients

c) Regulate temperature

d) Digest food

67) What is the boiling point of water in Celsius?

a) 50°C

b) 75°C

c) 100°C

d) 150°C

68) Which blood type is known as the universal donor?

a) A

b) B

c) AB

d) O

69) What is the term for the study of living organisms?

a) Biology

b) Physics

c) Chemistry

d) Geology

70) What is the primary function of the kidneys?

a) Filter blood

b) Produce hormones

c) Digest food

d) Regulate body temperature

71) Which of the following is a non-renewable resource?

a) Solar Energy

b) Wind Energy

c) Coal

d) Hydropower

72) What is the most common element in the human body?

a) Carbon

b) Hydrogen

c) Oxygen

d) Nitrogen

73) Which type of electromagnetic radiation has the shortest wavelength?

a) Radio Waves

b) Infrared

c) Visible Light

d) Gamma Rays

74) What is the main function of white blood cells?

a) Carry oxygen

b) Clot blood

c) Fight infection

d) Transport nutrients

75) Which process occurs in the mitochondria of cells?

a) Photosynthesis

b) Respiration

c) Digestion

d) Fermentation

76) What is the main component of the Earth's crust?

a) Iron

b) Oxygen

c) Silicon

d) Aluminum

77) What is the chemical symbol for helium?

a) He

b) H2

c) O2

d) Ne

78) Which animal is known as the 'King of the Jungle'?

a) Elephant

b) Tiger

c) Lion

d) Giraffe

79) What is the main function of enzymes in the body?

a) Provide energy

b) Speed up reactions

c) Transport substances

d) Protect against disease

80) What is the primary function of the integumentary system?

a) Regulate temperature

b) Protect the body

c) Transport nutrients

d) Produce hormones

81) What is the chemical formula for ammonia?

a) NH3

b) H2O2

c) CH4

d) HCl

82) Which type of energy is produced by moving water?

a) Mechanical Energy

b) Chemical Energy

c) Nuclear Energy

d) Thermal Energy

83) What is the unit of measurement for temperature?

a) Kelvin

b) Pascal

c) Joule

d) Ampere

84) Which gas is used in the process of respiration?

a) Oxygen

b) Nitrogen

c) Carbon Dioxide

d) Hydrogen

85) What is the term for a group of similar cells that perform a specific function?

a) Tissue

b) Organ

c) System

d) Organism

86) Which vitamin is important for blood clotting?

a) Vitamin A

b) Vitamin B

c) Vitamin C

d) Vitamin K

87) What is the primary function of the nervous system?

a) Regulate temperature

b) Transport nutrients

c) Process information

d) Fight infection

88) Which of the following is a characteristic of living organisms?

a) Growth

b) Reproduction

c) Metabolism

d) All of the above

89) What is the chemical formula for sulfuric acid?

a) H2SO4

b) HCl

c) HNO3

d) CH3COOH

90) Which part of the plant is responsible for photosynthesis?

a) Roots

b) Stem

c) Leaves

d) Flowers

91) What is the main component of human bones?

a) Calcium

b) Iron

c) Phosphorus

d) Magnesium

92) Which layer of the atmosphere contains the ozone layer?

a) Troposphere

b) Stratosphere

c) Mesosphere

d) Thermosphere

93) What is the process of water cycle involving evaporation and condensation?

a) Hydrological Cycle

b) Carbon Cycle

c) Nitrogen Cycle

d) Oxygen Cycle

94) What is the primary source of energy for the Sun?

a) Nuclear Fusion

b) Fossil Fuels

c) Solar Radiation

d) Geothermal Energy

95) Which vitamin helps in the absorption of calcium?

a) Vitamin A

b) Vitamin C

c) Vitamin D

d) Vitamin K

96) What is the scientific study of insects called?

a) Entomology

b) Zoology

c) Botany

d) Ecology

97) Which organ in the human body produces insulin?

a) Pancreas

b) Liver

c) Kidneys

d) Spleen

98) What is the primary function of the digestive system?

a) Transport nutrients

b) Absorb oxygen

c) Break down food

d) Regulate temperature

99) What is the name of the process by which a liquid changes into a solid?

a) Melting

b) Freezing

c) Evaporation

d) Condensation

100) Which type of reaction occurs when an acid reacts with a base?

a) Synthesis

b) Decomposition

c) Neutralization

d) Redox

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Total Questions: 200

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