Class 6 practice
Class 6 gk questions.
GK questions for Class 6, at the level of students aged 9–11, each with its answer and a short explanation. Try each one before opening the answer.
What is the perimeter of a rectangle whose length is 14 cm and area is 84 square cm?
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Answer: 40 cm
Width is area divided by length: 84 / 14 = 6 cm. Perimeter = 2 * (14 + 6) = 40 cm.
Which of these Indian rivers flows westward into the Arabian Sea rather than eastward into the Bay of Bengal?
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Answer: Narmada
Most major peninsular rivers flow east into the Bay of Bengal. The Narmada and Tapti flow west through rift valleys into the Arabian Sea.
Which layer of Earth's atmosphere contains the ozone layer that filters harmful ultraviolet solar rays?
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Answer: Stratosphere
The stratosphere lies directly above the troposphere. It holds the ozone layer, which shields Earth from ultraviolet radiation.
In desert plants like the cactus, which part is modified to carry out photosynthesis?
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Answer: Stem
Desert plants have thick, green stems that store water and perform photosynthesis. Their leaves are reduced to spines to reduce water loss.
Which planet in our solar system has the shortest day, completing one full rotation in under ten hours?
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Answer: Jupiter
Jupiter spins faster than any other planet. It completes one full rotation on its axis in about 9 hours and 55 minutes.
What happens to the speed of sound when it travels from air into liquid water?
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Answer: It increases
Sound travels faster in denser media because particles are packed closer together. Sound travels over four times faster in water than in air.
Who presided as the permanent President of the Constituent Assembly of India while drafting the Constitution?
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Answer: Dr Rajendra Prasad
Dr Rajendra Prasad was elected permanent President of the Constituent Assembly. Dr B. R. Ambedkar chaired the Drafting Committee.
Which layer of Earth's atmosphere lies directly above the troposphere and contains the ozone layer?
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Answer: Stratosphere
The stratosphere extends up to about 50 km above Earth. It holds the ozone layer, which absorbs harmful ultraviolet rays from the Sun.
Which Indian river flows westwards through a rift valley into the Arabian Sea?
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Answer: Narmada
The Narmada and Tapti flow west through rift valleys into the Arabian Sea. Most other major peninsular rivers flow east into the Bay of Bengal.
- True or false?
Every rhombus is always a square.
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Answer: False
A rhombus has four equal sides, but its angles do not need to be right angles. Every square is a rhombus, but not every rhombus is a square.
- Fill in the blank.
The world's largest river island, Majuli, is located on the ___ river in Assam. (First letter: B)
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Answer: Brahmaputra
Majuli is a large river island formed by the Brahmaputra River in Assam, known for its vibrant culture and ecology.
- Fill in the blank.
The traditional harvest festival celebrated with community feasts in Assam is called ___ (starts with B).
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Answer: Bihu
Bihu is a set of three cultural festivals in Assam, marking key phases of the agricultural calendar.
Which planet is the odd one out in our solar system?
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Answer: Neptune
Mercury, Mars, and Venus are rocky inner planets. Neptune is a giant outer planet made of gas and ice.
Which Indian classical dance form from Kerala is known for its elaborate makeup and colourful face masks?
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Answer: Kathakali
Kathakali originates in Kerala. It combines storytelling with drama and is famous for its bright face makeup and traditional headdresses.
Which Harappan city in Gujarat is famous for having a large ancient tidal dockyard?
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Answer: Lothal
Lothal was a major port city of the Indus Valley Civilization. Archaeologists discovered a large brick basin identified as a dockyard there.
When white light passes through a glass prism, it splits into seven colours. Which colour bends the most?
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Answer: Violet
Violet light has the shortest wavelength among visible light colours. Because of this, it slows down the most and refracts at the sharpest angle.
- True or false?
A single day on Venus lasts longer than one whole Venusian year.
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Answer: True
Venus takes about 243 Earth days to spin once on its axis, but only 225 Earth days to travel around the Sun.
- True or false?
Sound travels faster through water than it does through air.
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Answer: True
Sound needs particles to travel. Water particles are packed closer together than air particles, allowing vibrations to pass faster.
- Fill in the blank.
Sanchi in Madhya Pradesh is renowned for its ancient dome-shaped Buddhist monument called the Great ___ (first letter: S).
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Answer: Stupa
A stupa is a dome-shaped structure housing sacred relics. The Great Stupa at Sanchi was originally commissioned by Emperor Ashoka in the third century BCE.
Which is the odd one out?
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Answer: Sri Lanka
Nepal, Bhutan, and Afghanistan are landlocked Asian nations. Sri Lanka is an island country completely surrounded by the Indian Ocean.
These questions come from Ado’s question bank and are written with AI help. They are never used in ranked play, so practising them here can’t change anyone’s rank.
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