Dr. Homi Bhabha Exam sample question paper for Class 6 with our comprehensive set 3 is designed specifically for students following the Maharashtra State Board curriculum, aligning perfectly with the textbooks for 4th, 5th, and 6th standards. This question paper also incorporates relevant content from ICSE, IB, and CBSE syllabi, ensuring a well-rounded preparation.
With questions set at a medium difficulty level, students can effectively enhance their understanding and confidence. Each question aims to challenge students while reinforcing their knowledge, making this resource invaluable preparing for DHBBVS.
Which of the following is necessary for all living things to survive?
a) Food b) Clothes c) Toys d) Books
Answer: a) Food
Explanation: Food provides energy for growth and survival in all living organisms.Which part of a plant grows above the soil?
a) Roots b) Stem c) Leaves d) Flower
Answer: b) Stem
Explanation: The stem grows above the ground and supports branches, leaves, and flowers.What is the function of the heart in the human body?
a) To digest food b) To pump blood c) To absorb nutrients d) To store energy
Answer: b) To pump blood
Explanation: The heart circulates blood, which carries oxygen and nutrients to cells.Which one of these is a natural source of water?
a) Tap b) River c) Pipeline d) Faucet
Answer: b) River
Explanation: Rivers are natural bodies of water that provide water for various uses.
Which of the following animals is a herbivore?
a) Tiger b) Cow c) Bear d) Lion
Answer: b) Cow
Explanation: Herbivores are animals that eat only plants; cows consume grass and plants.The solid state of water is called:
a) Ice b) Vapor c) Steam d) Rain
Answer: a) Ice
Explanation: Ice is the solid form of water, formed when water freezes.Which part of the plant makes seeds?
a) Stem b) Leaf c) Flower d) Root
Answer: c) Flower
Explanation: Flowers contain reproductive organs and are responsible for seed production.Which of these can float on water?
a) Stone b) Wood c) Iron d) Glass
Answer: b) Wood
Explanation: Wood is less dense than water, which allows it to float.The process by which plants make their own food is called:
a) Germination b) Photosynthesis c) Digestion d) Respiration
Answer: b) Photosynthesis
Explanation: Photosynthesis is the process by which plants use sunlight to produce food.
Which of the following is a non-renewable source of energy?
a) Solar energy b) Coal c) Wind energy d) Hydropower
Answer: b) Coal
Explanation: Coal is a fossil fuel that cannot be renewed once it is used up.The unit of energy is:
a) Newton b) Joule c) Ohm d) Watt
Answer: b) Joule
Explanation: Energy is measured in joules in the International System of Units (SI).The Earth completes one rotation on its axis in approximately:
a) 12 hours b) 24 hours c) 365 days d) 30 days
Answer: b) 24 hours
Explanation: One full rotation of Earth on its axis takes roughly 24 hours, creating day and night.What is the name of the force that pulls objects towards the Earth?
a) Gravitational force b) Magnetic force c) Nuclear force d) Electrostatic force
Answer: a) Gravitational force
Explanation: Gravity is the force that attracts objects toward Earth.In which state of matter do molecules move freely?
a) Solid b) Liquid c) Gas d) Plasma
Answer: c) Gas
Explanation: In gases, molecules have the most freedom to move and spread out.What is the main gas found in the Earth’s atmosphere?
a) Oxygen b) Carbon dioxide c) Nitrogen d) Hydrogen
Answer: c) Nitrogen
Explanation: Nitrogen makes up about 78% of Earth’s atmosphere.The boiling point of water in degrees Celsius is:
a) 50°C b) 100°C c) 150°C d) 200°C
Answer: b) 100°C
Explanation: Water boils at 100°C under standard atmospheric pressure.The organ that helps us in breathing is the:
a) Heart b) Liver c) Stomach d) Lungs
Answer: d) Lungs
Explanation: Lungs are responsible for the exchange of oxygen and carbon dioxide in the body.Which layer of the Earth is made up of molten rock?
a) Crust b) Mantle c) Outer Core d) Inner Core
Answer: b) Mantle
Explanation: The mantle contains semi-molten rock known as magma.Which part of a plant absorbs sunlight for photosynthesis?
a) Roots b) Stem c) Leaves d) Flowers
Answer: c) Leaves
Explanation: Leaves contain chlorophyll that captures sunlight, essential for photosynthesis.Which organ in the human body pumps blood?
a) Lungs b) Brain c) Heart d) Kidney
Answer: c) Heart
Explanation: The heart pumps blood throughout the body to supply oxygen and nutrients.What is the smallest unit of matter?
a) Cell b) Atom c) Molecule d) Nucleus
Answer: b) Atom
Explanation: Atoms are the fundamental building blocks of matter.Which planet in our solar system is known as the “Red Planet”?
a) Jupiter b) Mars c) Venus d) Saturn
Answer: b) Mars
Explanation: Mars has a reddish appearance due to iron oxide (rust) on its surface.Which of these processes is necessary for plant growth?
a) Digestion b) Photosynthesis c) Respiration d) Excretion
Answer: b) Photosynthesis
Explanation: Photosynthesis allows plants to create food and energy.What is the process of liquid water changing to gas called?
a) Condensation b) Evaporation c) Freezing d) Boiling
Answer: b) Evaporation
Explanation: Evaporation is the process of water turning into vapor at temperatures below boiling.The sun is primarily composed of which gas?
a) Oxygen b) Nitrogen c) Hydrogen d) Carbon dioxide
Answer: c) Hydrogen
Explanation: The sun is mostly made of hydrogen, which fuels nuclear fusion.What is the function of the skeletal system?
a) Circulation b) Support and protection c) Digestion d) Respiration
Answer: b) Support and protection
Explanation: The skeletal system supports the body structure and protects internal organs.Which type of soil is best for growing plants?
a) Clay b) Sandy c) Loamy d) Rocky
Answer: c) Loamy
Explanation: Loamy soil has a good balance of sand, silt, and clay, ideal for plant growth.
Who is known as the “Father of Modern Physics”?
a) Albert Einstein b) Isaac Newton c) Galileo Galilei d) Nikola Tesla
Answer: a) Albert Einstein
Explanation: Einstein made major contributions to theoretical physics, especially the theory of relativity.Which vitamin is produced in the skin upon exposure to sunlight?
a) Vitamin A b) Vitamin B c) Vitamin C d) Vitamin D
Answer: d) Vitamin D
Explanation: The body produces Vitamin D when exposed to sunlight.What is the symbol for Iron?
a) Fe b) Au c) Ag d) H
Answer: a) Fe
Explanation: Fe is derived from the Latin name “Ferrum,” which means iron.The study of the weather and atmosphere is called:
a) Astronomy b) Geology c) Meteorology d) Ecology
Answer: c) Meteorology
Explanation: Meteorology is the scientific study of the atmosphere and weather patterns.Which planet is closest to the Sun?
a) Earth b) Venus c) Mercury d) Mars
Answer: c) Mercury
Explanation: Mercury is the closest planet to the Sun in our solar system.What is the chemical symbol for Sodium?
a) Na b) S c) K d) Sn
Answer: a) Na
Explanation: Na is the chemical symbol for Sodium, derived from its Latin name “Natrium.”What instrument is used to measure temperature?
a) Thermometer b) Barometer c) Hydrometer d) Manometer
Answer: a) Thermometer
Explanation: A thermometer measures temperature by using substances like mercury or alcohol that expand with heat.Which scientist developed the first successful polio vaccine?
a) Alexander Fleming b) Jonas Salk c) Marie Curie d) Gregor Mendel
Answer: b) Jonas Salk
Explanation: Jonas Salk developed the first safe and effective polio vaccine in the 1950s.Which gas is the main component of natural gas?
a) Methane b) Propane c) Butane d) Carbon Dioxide
Answer: a) Methane
Explanation: Methane is the primary component of natural gas, used as a fuel source.Which planet is known as the “Blue Planet”?
a) Mars b) Earth c) Neptune d) Jupiter
Answer: b) Earth
Explanation: Earth is called the “Blue Planet” due to the large amounts of water covering its surface.What is the process by which plants release oxygen into the air?
a) Respiration b) Germination c) Photosynthesis d) Transpiration
Answer: c) Photosynthesis
Explanation: During photosynthesis, plants produce oxygen as a byproduct of converting sunlight into energy.What is the name of our galaxy?
a) Andromeda b) Milky Way c) Nebula d) Orion
Answer: b) Milky Way
Explanation: Our solar system is located in the Milky Way galaxy, which is a barred spiral galaxy.Who invented the light bulb?
a) Alexander Graham Bell b) Thomas Edison c) Nikola Tesla d) Michael Faraday
Answer: b) Thomas Edison
Explanation: Thomas Edison is credited with inventing the practical and long-lasting electric light bulb.
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