Dr. Homi Bhabha Exam sample question paper for Class 6 with our comprehensive set 2 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 an example of a non-living thing?
a) Dog b) Tree c) Rock d) Fish
Answer: c) Rock
Explanation: A rock does not grow, move, or reproduce, so it is considered non-living.What do plants release during photosynthesis?
a) Oxygen b) Carbon Dioxide c) Nitrogen d) Hydrogen
Answer: a) Oxygen
Explanation: Photosynthesis allows plants to convert sunlight into energy, releasing oxygen as a byproduct.Which of these animals is a herbivore?
a) Lion b) Cow c) Eagle d) Snake
Answer: b) Cow
Explanation: Herbivores like cows feed on plants, whereas carnivores like lions feed on animals.What is the main purpose of roots in a plant?
a) Produce food b) Absorb water c) Attract sunlight d) Release oxygen
Answer: b) Absorb water
Explanation: Roots help absorb water and nutrients from the soil, which are vital for plant growth.
Which form of water exists naturally in all three states of matter?
a) Ice b) Water c) Snow d) Vapor
Answer: b) Water
Explanation: Water can be found as a liquid (water), solid (ice), and gas (water vapor) in nature.What is the function of the chlorophyll in plants?
a) Absorb sunlight b) Absorb oxygen c) Absorb nitrogen d) Absorb carbon dioxide
Answer: a) Absorb sunlight
Explanation: Chlorophyll captures sunlight, which plants use to create food through photosynthesis.Which body system includes the heart and blood vessels?
a) Nervous system b) Respiratory system c) Circulatory system d) Digestive system
Answer: c) Circulatory system
Explanation: The circulatory system, consisting of the heart and blood vessels, transports blood and nutrients throughout the body.Which gas do humans exhale during respiration?
a) Oxygen b) Hydrogen c) Carbon dioxide d) Nitrogen
Answer: c) Carbon dioxide
Explanation: Humans exhale carbon dioxide as a waste product of respiration.Which is an example of a simple machine?
a) Battery b) Lever c) Motor d) Magnet
Answer: b) Lever
Explanation: A lever is a simple machine that helps lift or move loads with less effort.
Which process changes liquid water into vapor?
a) Condensation b) Evaporation c) Freezing d) Melting
Answer: b) Evaporation
Explanation: Evaporation occurs when liquid water absorbs heat and changes into vapor.What is the main source of energy for life on Earth?
a) Water b) Plants c) Sun d) Animals
Answer: c) Sun
Explanation: The Sun provides energy necessary for life on Earth, fueling processes like photosynthesis.Which type of rock is formed from lava?
a) Igneous b) Sedimentary c) Metamorphic d) Fossilized
Answer: a) Igneous
Explanation: Igneous rocks form when lava or magma cools and solidifies.What is the smallest unit of an element?
a) Atom b) Molecule c) Cell d) Compound
Answer: a) Atom
Explanation: Atoms are the smallest units that make up elements.Which gas is most abundant in Earth’s atmosphere?
a) Oxygen b) Carbon dioxide c) Nitrogen d) Hydrogen
Answer: c) Nitrogen
Explanation: Nitrogen makes up about 78% of the Earth’s atmosphere.What process is responsible for the formation of clouds?
a) Evaporation b) Condensation c) Precipitation d) Freezing
Answer: b) Condensation
Explanation: Clouds form when water vapor condenses into tiny droplets in the atmosphere.What is the main function of red blood cells?
a) Transport oxygen b) Fight infections c) Produce hormones d) Aid in digestion
Answer: a) Transport oxygen
Explanation: Red blood cells carry oxygen from the lungs to other parts of the body.In which layer of the Earth do we live?
a) Core b) Mantle c) Crust d) Outer core
Answer: c) Crust
Explanation: The Earth’s crust is the outermost layer where humans and other organisms live.What is the term for an animal that eats both plants and animals?
a) Herbivore b) Carnivore c) Omnivore d) Detritivore
Answer: c) Omnivore
Explanation: Omnivores eat both plants and animals as part of their diet.Which planet is known as the “Red Planet”?
a) Earth b) Mars c) Venus d) Jupiter
Answer: b) Mars
Explanation: Mars is often called the Red Planet due to its reddish appearance caused by iron oxide.What is the unit used to measure electric current?
a) Volt b) Ohm c) Ampere d) Watt
Answer: c) Ampere
Explanation: The ampere is the standard unit for measuring electric current.Which of these is a non-renewable energy resource?
a) Wind b) Solar c) Oil d) Biomass
Answer: c) Oil
Explanation: Oil is a fossil fuel, a non-renewable resource that takes millions of years to form.What is the boiling point of water in Celsius?
a) 0°C b) 50°C c) 100°C d) 200°C
Answer: c) 100°C
Explanation: Water boils at 100°C under standard atmospheric pressure.Which part of the cell contains genetic material?
a) Cytoplasm b) Cell wall c) Nucleus d) Mitochondria
Answer: c) Nucleus
Explanation: The nucleus holds the cell’s genetic material in the form of DNA.What kind of energy transformation occurs in a battery-powered flashlight?
a) Light to chemical b) Chemical to electrical c) Electrical to sound d) Mechanical to thermal
Answer: b) Chemical to electrical
Explanation: In a flashlight, stored chemical energy in the battery converts to electrical energy, powering the light.What term describes a change from gas to liquid?
a) Evaporation b) Condensation c) Freezing d) Melting
Answer: b) Condensation
Explanation: Condensation is the process by which water vapor cools and becomes liquid.Which part of the human body controls movements and balance?
a) Heart b) Liver c) Brain d) Stomach
Answer: c) Brain
Explanation: The brain’s cerebellum regulates movement and balance.Which planet is known as the largest in the solar system?
a) Earth b) Jupiter c) Saturn d) Neptune
Answer: b) Jupiter
Explanation: Jupiter is the largest planet, with a massive volume and gravitational pull.What type of blood vessel carries blood away from the heart?
a) Veins b) Arteries c) Capillaries d) Lymph nodes
Answer: b) Arteries
Explanation: Arteries carry oxygenated blood from the heart to the body.Which organ in humans is primarily responsible for absorbing nutrients?
a) Stomach b) Liver c) Small intestine d) Large intestine
Answer: c) Small intestine
Explanation: The small intestine absorbs nutrients into the bloodstream.The force that causes objects to fall to the ground is:
a) Magnetism b) Friction c) Gravity d) Elasticity
Answer: c) Gravity
Explanation: Gravity is the force that attracts objects toward Earth.
Who is known as the “Father of Physics”?
a) Galileo Galilei b) Albert Einstein c) Isaac Newton d) Nikola Tesla
Answer: c) Isaac Newton
Explanation: Newton’s contributions to mechanics and gravity earned him the title.Which vitamin is known as the “Sunshine Vitamin”?
a) Vitamin A b) Vitamin B c) Vitamin C d) Vitamin D
Answer: d) Vitamin D
Explanation: Vitamin D is synthesized in the skin when exposed to sunlight.What is the chemical symbol for water?
a) CO₂ b) H₂O c) O₂ d) H₂
Answer: b) H₂O
Explanation: H₂O represents water, composed of two hydrogen atoms and one oxygen atom.
What is the approximate age of the Earth?
a) 4.5 billion years b) 10 million years c) 500 million years d) 3.2 billion years
Answer: a) 4.5 billion years
Explanation: Scientific research estimates that Earth formed around 4.5 billion years ago.Which element is essential for the production of hemoglobin in blood?
a) Calcium b) Iron c) Potassium d) Sodium
Answer: b) Iron
Explanation: Iron is a key component of hemoglobin, which carries oxygen in the blood.Which planet is known as the “Morning Star”?
a) Mars b) Venus c) Jupiter d) Saturn
Answer: b) Venus
Explanation: Venus appears bright in the sky just before sunrise, hence the name “Morning Star.”What is the chemical symbol for gold?
a) Au b) Ag c) Hg d) Fe
Answer: a) Au
Explanation: The symbol for gold is Au, derived from its Latin name, “Aurum.”Which scientist is known for the theory of relativity?
a) Isaac Newton b) Albert Einstein c) Nikola Tesla d) Marie Curie
Answer: b) Albert Einstein
Explanation: Albert Einstein developed the theory of relativity, which revolutionized our understanding of space, time, and gravity.What is the unit of measure for electric resistance?
a) Ampere b) Volt c) Watt d) Ohm
Answer: d) Ohm
Explanation: Ohm is the unit used to measure electrical resistance.What is the main function of the ozone layer in Earth’s atmosphere?
a) Absorb oxygen b) Reflect light c) Absorb ultraviolet radiation d) Increase heat
Answer: c) Absorb ultraviolet radiation
Explanation: The ozone layer absorbs harmful ultraviolet rays from the sun, protecting life on Earth.
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