Dr. Homi Bhabha Exam sample question paper for Class 6 with our comprehensive set 8 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.
1. Which of these is an example of an insect?
a) Frog
b) Butterfly
c) Lizard
d) Snake
Answer: b) Butterfly
Explanation: Butterflies are insects, characterized by three body segments and wings.
2. Which organ do humans use primarily to breathe?
a) Heart
b) Stomach
c) Lungs
d) Kidneys
Answer: c) Lungs
Explanation: The lungs are the main organs for respiration, allowing oxygen to enter the bloodstream.
3. Which planet is known as the “Red Planet”?
a) Venus
b) Saturn
c) Jupiter
d) Mars
Answer: d) Mars
Explanation: Mars appears red due to iron oxide (rust) on its surface.
4. What is the main source of light for the Earth?
a) Moon
b) Stars
c) Sun
d) Planets
Answer: c) Sun
Explanation: The Sun provides the Earth with light and warmth, making life possible.
5. The green pigment in plants that absorbs sunlight is called:
a) Hemoglobin
b) Chlorophyll
c) Carotene
d) Anthocyanin
Answer: b) Chlorophyll
Explanation: Chlorophyll helps plants absorb sunlight for photosynthesis.
6. What is the main function of roots in a plant?
a) Make food
b) Support the plant
c) Absorb water and nutrients
d) Reproduce
Answer: c) Absorb water and nutrients
Explanation: Roots take up water and essential nutrients from the soil.
7. Which of the following is a renewable energy source?
a) Coal
b) Oil
c) Solar energy
d) Natural gas
Answer: c) Solar energy
Explanation: Solar energy is renewable because it is naturally replenished by the Sun.
8. Water in rivers and lakes comes mostly from:
a) Wells
b) Rainfall
c) Oceans
d) Groundwater
Answer: b) Rainfall
Explanation: Rainfall is the primary source of freshwater in rivers and lakes.
9. In which layer of soil are most plant roots found?
a) Bedrock
b) Subsoil
c) Topsoil
d) Sand
Answer: c) Topsoil
Explanation: Topsoil is rich in nutrients and holds water, making it ideal for plant roots.
10. What type of gas is essential for human respiration?
a) Carbon dioxide
b) Oxygen
c) Nitrogen
d) Argon
Answer: b) Oxygen
Explanation: Oxygen is required for respiration and is taken up by the lungs.
11. Which planet has the most extensive ring system?
a) Mars
b) Venus
c) Jupiter
d) Saturn
Answer: d) Saturn
Explanation: Saturn is famous for its large and beautiful ring system.
12. In what form does water vapor condense to become visible?
a) Steam
b) Dew
c) Snow
d) Fog
Answer: d) Fog
Explanation: Fog is condensed water vapor in the air, making it visible near the ground.
13. Which type of joint is found in the shoulder?
a) Hinge joint
b) Pivot joint
c) Ball and socket joint
d) Fixed joint
Answer: c) Ball and socket joint
Explanation: The ball-and-socket joint allows a wide range of movement, as in the shoulder.
14. The primary component of air is:
a) Oxygen
b) Nitrogen
c) Carbon Dioxide
d) Argon
Answer: b) Nitrogen
Explanation: Nitrogen makes up about 78% of Earth’s atmosphere.
15. What is the function of stomata in plants?
a) Water absorption
b) Seed dispersal
c) Gas exchange
d) Reproduction
Answer: c) Gas exchange
Explanation: Stomata are small openings that allow plants to take in CO₂ and release O₂.
16. Which of these materials is an example of an insulator?
a) Copper
b) Iron
c) Wood
d) Aluminum
Answer: c) Wood
Explanation: Wood is an insulator, meaning it does not conduct electricity well.
17. The primary source of energy in an ecosystem is:
a) Soil
b) Water
c) Sunlight
d) Rocks
Answer: c) Sunlight
Explanation: Sunlight provides the energy needed for photosynthesis, starting the food chain.
18. Which part of the cell contains genetic material?
a) Cell membrane
b) Nucleus
c) Cytoplasm
d) Cell wall
Answer: b) Nucleus
Explanation: The nucleus houses DNA, which contains genetic information.
19. What gas is given off during photosynthesis?
a) Nitrogen
b) Oxygen
c) Carbon Dioxide
d) Helium
Answer: b) Oxygen
Explanation: Photosynthesis produces oxygen as a byproduct.
20. Which planet is known as Earth’s “sister planet”?
a) Venus
b) Mars
c) Mercury
d) Jupiter
Answer: a) Venus
Explanation: Venus is similar in size and structure to Earth and is often called its sister planet.
21. Which part of the plant is responsible for making food through photosynthesis?
a) Roots
b) Stem
c) Leaves
d) Flowers
Answer: c) Leaves
Explanation: Leaves contain chlorophyll, which helps plants absorb sunlight and carry out photosynthesis to make food.
22. What type of rock is formed from molten lava?
a) Sedimentary rock
b) Metamorphic rock
c) Igneous rock
d) Clay
Answer: c) Igneous rock
Explanation: Igneous rocks form from the cooling and solidification of molten lava or magma.
23. Which part of the digestive system is primarily responsible for nutrient absorption?
a) Stomach
b) Small intestine
c) Large intestine
d) Esophagus
Answer: b) Small intestine
Explanation: The small intestine has villi that increase the surface area for nutrient absorption into the blood.
24. What does blood transport to all parts of the body?
a) Waste materials
b) Carbon dioxide
c) Oxygen
d) Bones
Answer: c) Oxygen
Explanation: Blood carries oxygen from the lungs to all cells in the body for respiration.
25. Which is the largest planet in our solar system?
a) Earth
b) Mars
c) Jupiter
d) Saturn
Answer: c) Jupiter
Explanation: Jupiter is the largest planet in our solar system, with a massive atmosphere and many moons.
26. In which layer of the atmosphere do most weather events occur?
a) Stratosphere
b) Troposphere
c) Mesosphere
d) Thermosphere
Answer: b) Troposphere
Explanation: The troposphere is the lowest layer of Earth’s atmosphere, where weather changes happen.
27. Which of these animals is a mammal?
a) Shark
b) Lizard
c) Whale
d) Frog
Answer: c) Whale
Explanation: Whales are mammals as they have lungs, give live birth, and nurse their young.
28. What type of blood vessels carry blood away from the heart?
a) Veins
b) Capillaries
c) Arteries
d) Bronchi
Answer: c) Arteries
Explanation: Arteries are blood vessels that carry oxygenated blood away from the heart to the body.
29. The force that pulls objects toward the center of the Earth is called:
a) Magnetism
b) Gravity
c) Friction
d) Elasticity
Answer: b) Gravity
Explanation: Gravity is the force that attracts objects toward the Earth’s center.
30. Which nutrient is mainly responsible for the growth and repair of body tissues?
a) Carbohydrates
b) Proteins
c) Fats
d) Vitamins
Answer: b) Proteins
Explanation: Proteins are essential for building and repairing tissues in the body.
31. The smallest unit of life is:
a) Tissue
b) Cell
c) Organ
d) Molecule
Answer: b) Cell
Explanation: The cell is the basic structural and functional unit of all living organisms.
32. During which process does a caterpillar change into a butterfly?
a) Germination
b) Pollination
c) Photosynthesis
d) Metamorphosis
Answer: d) Metamorphosis
Explanation: Metamorphosis is the process where a caterpillar undergoes transformation into a butterfly.
33. The main function of white blood cells is to:
a) Carry oxygen
b) Fight infections
c) Transport nutrients
d) Form clots
Answer: b) Fight infections
Explanation: White blood cells are part of the immune system and help defend the body against infections.
34. Which gas do animals exhale that plants need for photosynthesis?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Hydrogen
Answer: c) Carbon dioxide
Explanation: Carbon dioxide exhaled by animals is used by plants during photosynthesis.
35. Which of these planets is known for its prominent rings?
a) Mercury
b) Mars
c) Saturn
d) Venus
Answer: c) Saturn
Explanation: Saturn is famous for its complex ring system, made up of ice and rock particles.
36. Who is known as the “Father of Modern Physics”?
a) Isaac Newton
b) Albert Einstein
c) Galileo Galilei
d) James Maxwell
Answer: b) Albert Einstein
Explanation: Einstein’s theories of relativity transformed modern physics.
37. What is the primary purpose of a telescope?
a) Study sound
b) Observe distant objects
c) Measure weight
d) Produce light
Answer: b) Observe distant objects
Explanation: Telescopes are used to view objects far away, like stars and planets.
38. The symbol for the chemical element Gold is:
a) Au
b) Ag
c) Cu
d) Fe
Answer: a) Au
Explanation: Au is derived from the Latin word “Aurum,” meaning gold.
39. Which vitamin is primarily obtained from sunlight?
a) Vitamin A
b) Vitamin C
c) Vitamin D
d) Vitamin K
Answer: c) Vitamin D
Explanation: Vitamin D is synthesized by the skin when exposed to sunlight.
40. The largest organ in the human body is:
a) Liver
b) Skin
c) Lungs
d) Heart
Answer: b) Skin
Explanation: The skin is the body’s largest organ and provides protection and regulation.
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