Class 8 Science Student Questions

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Showing: Class 8 / Science (142 questions)

by GIANSH GUPTA KHUNDKER · Class 8

Species found exclusively in a particular area are called:

Science Conservation of Plants and Animals 0 10 answers 70%
by GIANSH GUPTA KHUNDKER · Class 8

Green-coloured plastids responsible for photosynthesis are called:

Science Cell 0 6 answers 83%
by GIANSH GUPTA KHUNDKER · Class 8

Which cell in the human body can change its shape?

Science Cell 0 3 answers 67%
by GIANSH GUPTA KHUNDKER · Class 8

A cell that lacks a well-defined nucleus and nuclear membrane is called:

Science Cell 0 5 answers 40%
by GIANSH GUPTA KHUNDKER · Class 8

Which organelle is known as the "powerhouse of the cell"?

Science Cell 1 11 answers 91%
by GIANSH GUPTA KHUNDKER · Class 8

Viruses are unique because they can only reproduce:

Science Microorganisms 0 5 answers 100%
by GIANSH GUPTA KHUNDKER · Class 8

Which of the following is NOT a method of food preservation?

Science Microorganisms 0 6 answers 83%
by GIANSH GUPTA KHUNDKER · Class 8

Penicillin was discovered by:

Science Microorganisms 0 4 answers 50%
by GIANSH GUPTA KHUNDKER · Class 8

Which of the following microorganisms is responsible for converting milk into curd?

Science Microorganisms 0 4 answers 100%
by GIANSH GUPTA KHUNDKER · Class 8

Which planet is known as the "Red Planet" and has two small natural satellites called Phobos and Deimos?

Science Stars and the Solar System 0 8 answers 63%
by GIANSH GUPTA KHUNDKER · Class 8

Two astronauts are performing a spacewalk outside the International Space Station. If one astronaut shouts loudly, why can the other not hear them without using a radio?

Science Sound 0 3 answers 100%
by GIANSH GUPTA KHUNDKER · Class 8

A student strikes a tuning fork and notices that it produces a shrill sound. If they want to increase the 'pitch' of this sound, which property of the vibration must they increase?

Science Sound 0 3 answers 100%
by GIANSH GUPTA KHUNDKER · Class 8

Which gas is a major component of Compressed Natural Gas (CNG)?

Science Coal and Petroleum 0 4 answers 100%
by GIANSH GUPTA KHUNDKER · Class 8

The slow process of conversion of dead vegetation into coal is called:

Science Coal and Petroleum 0 9 answers 56%
by GIANSH GUPTA KHUNDKER · Class 8

What is the correct full form of PCRA?

Science Coal and Petroleum 0 5 answers 80%
by GIANSH GUPTA KHUNDKER · Class 8

Which of the following is not a petroleum product?

Science Coal and Petroleum 0 4 answers 25%
by GIANSH GUPTA KHUNDKER · Class 8

Natural gas is considered a cleaner fuel because:

Science Coal and Petroleum 0 4 answers 50%
by GIANSH GUPTA KHUNDKER · Class 8

The process of conversion of dead vegetation into coal is called:

Science Coal and Petroleum 0 5 answers 60%
by GIANSH GUPTA KHUNDKER · Class 8

The angle between the normal and the reflected ray is called the ________.

Science Light 0 4 answers 100%
by GIANSH GUPTA KHUNDKER · Class 8

Which of the following is the purest form of carbon?

Science Coal and Petroleum 0 4 answers 100%

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