Dr. Homi Bhabha Exam sample question paper for Class 6 with our comprehensive set 9 is designed specifically for students following the Maharashtra State Board curriculum, aligning perfectly with the textbooks for 4th, 5th, and 6th standards. This sample question paper is designed to challenge students with in-depth, analytical questions from Maharashtra State Board, CBSE, ICSE, and IB textbooks, covering fundamental science concepts at a high difficulty level.
With questions set at a easy 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 part of a plant anchors it to the soil?
a) Stem
b) Roots
c) Leaves
d) Flowers
Answer: b) Roots
Explanation: Roots help anchor the plant in the soil and absorb water and nutrients.Which of these is a natural source of water?
a) River
b) Canal
c) Tap
d) Dam
Answer: a) River
Explanation: Rivers are natural water sources, while canals, taps, and dams are human-made.What do animals need to breathe?
a) Oxygen
b) Carbon Dioxide
c) Nitrogen
d) Helium
Answer: a) Oxygen
Explanation: Oxygen is essential for most animals to breathe and survive.Which of the following is not a sense organ?
a) Eyes
b) Skin
c) Tongue
d) Brain
Answer: d) Brain
Explanation: The brain processes information from sense organs, but it is not a sense organ itself.
Which gas is essential for the process of photosynthesis?
a) Oxygen
b) Nitrogen
c) Carbon Dioxide
d) Helium
Answer: c) Carbon Dioxide
Explanation: Plants need carbon dioxide to carry out photosynthesis and produce food.Which nutrient helps build strong bones and teeth?
a) Iron
b) Calcium
c) Vitamin C
d) Vitamin D
Answer: b) Calcium
Explanation: Calcium is essential for the development of strong bones and teeth.What is the process by which plants lose water through their leaves?
a) Photosynthesis
b) Respiration
c) Transpiration
d) Germination
Answer: c) Transpiration
Explanation: Transpiration is the process by which plants release water vapor through their leaves.Which organ in humans is primarily responsible for pumping blood?
a) Brain
b) Lungs
c) Heart
d) Kidneys
Answer: c) Heart
Explanation: The heart pumps blood throughout the body.In which state of matter do particles move freely and spread out to fill their container?
a) Solid
b) Liquid
c) Gas
d) Plasma
Answer: c) Gas
Explanation: Gas particles move freely and occupy all available space.Which food is a good source of Vitamin C?
a) Milk
b) Lemon
c) Rice
d) Butter
Answer: b) Lemon
Explanation: Citrus fruits like lemon are rich in Vitamin C, which helps strengthen the immune system.Which of the following is a non-renewable resource?
a) Sunlight
b) Wind
c) Coal
d) Water
Answer: c) Coal
Explanation: Coal is a fossil fuel and cannot be replenished once used, making it a non-renewable resource.What do white blood cells do?
a) Carry oxygen
b) Fight infections
c) Digest food
d) Transport nutrients
Answer: b) Fight infections
Explanation: White blood cells are part of the immune system and help protect the body from infections.
Which part of the cell contains genetic material?
a) Cytoplasm
b) Cell membrane
c) Nucleus
d) Ribosome
Answer: c) Nucleus
Explanation: The nucleus contains DNA, which carries genetic information.Which planet is known as the “Red Planet”?
a) Venus
b) Mars
c) Jupiter
d) Saturn
Answer: b) Mars
Explanation: Mars appears red due to iron oxide (rust) on its surface.Which of these is the smallest unit of life?
a) Atom
b) Cell
c) Tissue
d) Organ
Answer: b) Cell
Explanation: The cell is the basic structural and functional unit of all living organisms.What is the main function of the roots in plants?
a) Photosynthesis
b) Reproduction
c) Water absorption
d) Nutrient production
Answer: c) Water absorption
Explanation: Roots absorb water and nutrients from the soil to support plant growth.What is the main gas present in the Earth’s atmosphere?
a) Oxygen
b) Nitrogen
c) Carbon Dioxide
d) Argon
Answer: b) Nitrogen
Explanation: Nitrogen makes up about 78% of the Earth’s atmosphere.What is the primary source of energy for the water cycle?
a) Wind
b) Moon
c) Sun
d) Stars
Answer: c) Sun
Explanation: The Sun’s energy drives the water cycle by evaporating water from Earth’s surface.Which structure in human beings helps in voice production?
a) Lungs
b) Trachea
c) Larynx
d) Bronchi
Answer: c) Larynx
Explanation: The larynx, or voice box, contains vocal cords that produce sound.What kind of joint is found in the elbow?
a) Ball and socket joint
b) Hinge joint
c) Pivot joint
d) Fixed joint
Answer: b) Hinge joint
Explanation: A hinge joint allows movement in one direction, like bending and straightening.Which is the largest bone in the human body?
a) Skull
b) Femur
c) Humerus
d) Tibia
Answer: b) Femur
Explanation: The femur, or thigh bone, is the longest and strongest bone in the human body.What type of reproduction involves only one parent?
a) Sexual reproduction
b) Asexual reproduction
c) Budding
d) Pollination
Answer: b) Asexual reproduction
Explanation: Asexual reproduction does not require two parents and produces offspring genetically identical to the parent.The green color in leaves is due to which pigment?
a) Chlorophyll
b) Carotene
c) Anthocyanin
d) Xanthophyll
Answer: a) Chlorophyll
Explanation: Chlorophyll is the green pigment in plants that absorbs sunlight for photosynthesis.Which force pulls objects toward the Earth?
a) Magnetic force
b) Friction
c) Gravity
d) Elastic force
Answer: c) Gravity
Explanation: Gravity is the force that attracts objects towards the center of the Earth.What is the main organ of the circulatory system?
a) Lungs
b) Heart
c) Brain
d) Stomach
Answer: b) Heart
Explanation: The heart pumps blood throughout the body, supplying oxygen and nutrients.Which organelle is known as the “powerhouse of the cell”?
a) Nucleus
b) Ribosome
c) Mitochondria
d) Chloroplast
Answer: c) Mitochondria
Explanation: Mitochondria generate energy in the form of ATP, essential for cellular activities.What is the chemical formula for carbon dioxide?
a) CO
b) CO₂
c) C₂O
d) H₂O
Answer: b) CO₂
Explanation: Carbon dioxide consists of one carbon atom and two oxygen atoms.Which of the following is a producer in a food chain?
a) Lion
b) Human
c) Plant
d) Eagle
Answer: c) Plant
Explanation: Plants produce their own food through photosynthesis and are at the base of the food chain.What happens to water at 0°C?
a) It evaporates
b) It freezes
c) It condenses
d) It melts
Answer: b) It freezes
Explanation: Water freezes at 0°C under standard atmospheric conditions.What type of energy is stored in food?
a) Electrical energy
b) Kinetic energy
c) Chemical energy
d) Potential energy
Answer: c) Chemical energy
Explanation: Food stores chemical energy that is released when consumed and used by the body for various functions.What do plants release during the process of photosynthesis?
a) Carbon Dioxide
b) Oxygen
c) Nitrogen
d) Water Vapor
Answer: b) Oxygen
Explanation: Plants release oxygen as a byproduct of photosynthesis, which is essential for most organisms to breathe.Which of these is an example of a habitat?
a) Forest
b) River
c) Desert
d) All of the above
Answer: d) All of the above
Explanation: A habitat is a natural environment where organisms live, and forests, rivers, and deserts all serve as habitats for different organisms.What is the main function of red blood cells?
a) Fight infection
b) Transport oxygen
c) Clot blood
d) Store energy
Answer: b) Transport oxygen
Explanation: Red blood cells contain hemoglobin, which binds to oxygen and transports it to all body cells.Which planet is the largest in our solar system?
a) Earth
b) Jupiter
c) Saturn
d) Mars
Answer: b) Jupiter
Explanation: Jupiter is the largest planet in the solar system, with a massive size and strong gravitational pull.Which of the following is an insect?
a) Spider
b) Ant
c) Crab
d) Snail
Answer: b) Ant
Explanation: An ant is an insect with six legs and three body segments: the head, thorax, and abdomen.
Who is known as the “Father of Modern Physics”?
a) Isaac Newton
b) Albert Einstein
c) Galileo Galilei
d) Nikola Tesla
Answer: b) Albert Einstein
Explanation: Albert Einstein’s theories of relativity revolutionized modern physics, earning him the title “Father of Modern Physics.”What is the SI unit of temperature?
a) Celsius
b) Fahrenheit
c) Kelvin
d) Joule
Answer: c) Kelvin
Explanation: Kelvin is the SI unit for temperature, used primarily in scientific measurements.Which element is necessary for the formation of bones and teeth?
a) Iron
b) Potassium
c) Calcium
d) Phosphorus
Answer: c) Calcium
Explanation: Calcium is essential for the formation and maintenance of strong bones and teeth.Which metal is liquid at room temperature?
a) Iron
b) Mercury
c) Copper
d) Silver
Answer: b) Mercury
Explanation: Mercury is the only metal that remains in liquid form at room temperature.Who invented the first practical electric bulb?
a) Thomas Edison
b) Nikola Tesla
c) Alexander Bell
d) James Watt
Answer: a) Thomas Edison
Explanation: Thomas Edison is credited with inventing the first practical and long-lasting electric light bulb.
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