Dr. Homi Bhabha Exam sample question paper for Class 6 with our comprehensive set 5 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 hard 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 these animals is known as a herbivore?
a) Lion b) Deer c) Eagle d) Crocodile
Answer: b) Deer
Explanation: Herbivores are animals that eat only plants, and the deer is a classic example.The presence of which of the following is essential for plants to make their food?
a) Sunlight b) Soil c) Rocks d) Wind
Answer: a) Sunlight
Explanation: Plants use sunlight to perform photosynthesis, the process by which they make food.What is the primary organ used by fish to breathe?
a) Lungs b) Gills c) Fins d) Scales
Answer: b) Gills
Explanation: Fish use gills to extract oxygen from water, as they do not have lungs like land animals.Which part of the plant is usually involved in reproduction?
a) Roots b) Stem c) Flower d) Leaf
Answer: c) Flower
Explanation: Flowers contain reproductive organs that help plants produce seeds.
What is the term for the change of water from liquid to gas?
a) Evaporation b) Condensation c) Precipitation d) Solidification
Answer: a) Evaporation
Explanation: Evaporation is the process where water changes from a liquid to a vapor or gas.The smallest structural unit of living organisms is called a:
a) Cell b) Atom c) Tissue d) Organ
Answer: a) Cell
Explanation: Cells are the basic units of life, forming tissues, organs, and organisms.Which part of the plant transports water from the roots to the leaves?
a) Phloem b) Xylem c) Stomata d) Cortex
Answer: b) Xylem
Explanation: Xylem vessels in plants transport water from the roots to other parts of the plant.The green color in plants is due to which pigment?
a) Chlorophyll b) Carotene c) Anthocyanin d) Xanthophyll
Answer: a) Chlorophyll
Explanation: Chlorophyll is the green pigment essential for photosynthesis in plants.Which process helps purify blood in the human body?
a) Lungs b) Kidneys c) Stomach d) Liver
Answer: b) Kidneys
Explanation: Kidneys filter waste products from the blood to form urine.
What is the term for a change in the position of an object over time?
a) Gravity b) Motion c) Force d) Energy
Answer: b) Motion
Explanation: Motion refers to the change in position of an object with respect to time.What causes a solar eclipse?
a) The Earth comes between the sun and the moon
b) The moon comes between the sun and the Earth
c) The sun comes between the moon and the Earth
d) The Earth blocks sunlight from reaching the moon
Answer: b) The moon comes between the sun and the Earth
Explanation: A solar eclipse occurs when the moon passes directly between the sun and Earth, blocking sunlight.Which nutrient is the primary source of energy for the body?
a) Proteins b) Carbohydrates c) Vitamins d) Minerals
Answer: b) Carbohydrates
Explanation: Carbohydrates are broken down into glucose, providing energy for bodily functions.The phenomenon of day and night on Earth is caused by:
a) Earth’s revolution b) Earth’s rotation c) Moon’s orbit d) Sun’s movement
Answer: b) Earth’s rotation
Explanation: The rotation of Earth on its axis leads to the cycle of day and night.Which gas is absorbed by plants during photosynthesis?
a) Oxygen b) Carbon Dioxide c) Nitrogen d) Argon
Answer: b) Carbon Dioxide
Explanation: During photosynthesis, plants absorb carbon dioxide to produce glucose and release oxygen.What is the function of the digestive system?
a) Circulate blood b) Break down food c) Remove waste d) Control breathing
Answer: b) Break down food
Explanation: The digestive system breaks down food into nutrients the body can absorb.Which part of the brain controls voluntary actions?
a) Cerebellum b) Cerebrum c) Medulla d) Spinal Cord
Answer: b) Cerebrum
Explanation: The cerebrum is responsible for voluntary actions, thinking, and decision-making.What type of soil is best for growing crops?
a) Sandy b) Clayey c) Loamy d) Gravel
Answer: c) Loamy
Explanation: Loamy soil is rich in nutrients and holds water, making it ideal for agriculture.What does a microscope help us observe?
a) Planets b) Small organisms c) Stars d) Distant mountains
Answer: b) Small organisms
Explanation: Microscopes are used to observe tiny organisms and details that are invisible to the naked eye.Which force opposes the motion of an object?
a) Magnetic force b) Gravitational force c) Frictional force d) Nuclear force
Answer: c) Frictional force
Explanation: Frictional force resists the movement of objects, opposing motion.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 Earth’s atmosphere.Which layer of the atmosphere contains the ozone layer?
a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere
Answer: b) Stratosphere
Explanation: The ozone layer is located in the stratosphere, protecting Earth from harmful UV radiation.
Which layer of the atmosphere contains the ozone layer?
a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere
Answer: b) Stratosphere
Explanation: The ozone layer is located in the stratosphere, protecting Earth from harmful UV radiation.What is the chemical formula for water?
a) CO₂ b) H₂O c) O₂ d) H₂SO₄
Answer: b) H₂O
Explanation: Water is composed of two hydrogen atoms and one oxygen atom, represented by the formula H₂O.The process of breaking down food in the body to release energy is known as:
a) Digestion b) Photosynthesis c) Respiration d) Excretion
Answer: c) Respiration
Explanation: Respiration is the process by which cells break down glucose and oxygen to produce energy.Which component of the blood helps in clotting?
a) Red blood cells b) White blood cells c) Platelets d) Plasma
Answer: c) Platelets
Explanation: Platelets are blood components that help stop bleeding by forming clots.In which organ does the digestion of food begin?
a) Stomach b) Small intestine c) Mouth d) Large intestine
Answer: c) Mouth
Explanation: Digestion begins in the mouth with the action of saliva and chewing.Which of the following is an example of a non-renewable resource?
a) Solar energy b) Wind energy c) Coal d) Water
Answer: c) Coal
Explanation: Coal is a non-renewable resource as it cannot be replenished once used.Which type of joint is found in the shoulder?
a) Hinge joint b) Fixed joint c) Ball and socket joint d) Gliding joint
Answer: c) Ball and socket joint
Explanation: The ball and socket joint in the shoulder allows for a wide range of movement.Which planet is known as Earth’s “twin” due to its similar size and composition?
a) Mars b) Venus c) Jupiter d) Mercury
Answer: b) Venus
Explanation: Venus is often called Earth’s “twin” because of its similar size, mass, and composition.What type of energy is stored in food?
a) Electrical energy b) Chemical energy c) Mechanical energy d) Nuclear energy
Answer: b) Chemical energy
Explanation: Food contains chemical energy, which the body converts to fuel for activities.Which natural disaster is measured on the Richter scale?
a) Hurricane b) Tsunami c) Earthquake d) Flood
Answer: c) Earthquake
Explanation: The Richter scale measures the magnitude of earthquakes.Which blood vessels carry blood back to the heart?
a) Arteries b) Veins c) Capillaries d) Platelets
Answer: b) Veins
Explanation: Veins carry deoxygenated blood back to the heart for reoxygenation.What is the main purpose of chloroplasts in plant cells?
a) Provide structure b) Store nutrients c) Conduct photosynthesis d) Store genetic material
Answer: c) Conduct photosynthesis
Explanation: Chloroplasts contain chlorophyll, which is essential for photosynthesis, allowing plants to make their food.
Who is known as the father of modern physics?
a) Albert Einstein b) Isaac Newton c) Galileo Galilei d) Stephen Hawking
Answer: a) Albert Einstein
Explanation: Albert Einstein is often regarded as the father of modern physics due to his contributions to theoretical physics.What is the largest organ in the human body?
a) Heart b) Liver c) Skin d) Brain
Answer: c) Skin
Explanation: The skin is the body’s largest organ, serving as a protective barrier.The speed of light is approximately:
a) 300,000 km/s b) 300,000 m/s c) 150,000 km/s d) 150,000 m/s
Answer: a) 300,000 km/s
Explanation: Light travels at approximately 300,000 kilometers per second in a vacuum.Which planet is known as the “Red Planet”?
a) Mercury b) Venus c) Mars d) Jupiter
Answer: c) Mars
Explanation: Mars is called the “Red Planet” due to its reddish appearance from iron oxide.What does DNA stand for?
a) Deoxyribonucleic acid b) Dextroribonucleic acid c) Deoxynucleic acid d) Denseribosomal acid
Answer: a) Deoxyribonucleic acid
Explanation: DNA, which stands for deoxyribonucleic acid, carries genetic information.The energy produced by moving water is called:
a) Solar energy b) Wind energy c) Nuclear energy d) Hydroelectric energy
Answer: d) Hydroelectric energy
Explanation: Hydroelectric energy is generated by the movement of water, usually in dams.Which planet has the most extensive ring system?
a) Earth b) Mars c) Saturn d) Jupiter
Answer: c) Saturn
Explanation: Saturn is famous for its large and complex ring system.The pH scale measures the:
a) Temperature of substances b) Acidity or alkalinity of substances c) Density of liquids d) Speed of chemical reactions
Answer: b) Acidity or alkalinity of substances
Explanation: The pH scale ranges from 0 to 14, indicating whether a substance is acidic, neutral, or alkaline.
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