Class 8 Science Student Questions

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Showing: Class 8 / Science (142 questions)

by GIANSH GUPTA KHUNDKER · Class 8

An echo returned in 3 s. What is the distance of the reflecting surface from the source, given that the speed of sound is 342 m/s.

Science Sound 0 4 answers 25%
by GIANSH GUPTA KHUNDKER · Class 8

A current-carrying coil of an insulated wire wrapped around a piece of iron is called an ___________________.

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

During heavy exercise, we get muscle cramps due to the accumulation of:

Science Other 0 5 answers 80%
by GIANSH GUPTA KHUNDKER · Class 8

A clinical thermometer is designed specifically to measure human body temperature. Which of the following is true about a clinical thermometer?

Science Other 0 8 answers 13%
by GIANSH GUPTA KHUNDKER · Class 8

Which of the following is the tallest living organism on Earth?

Science Conservation of Plants and Animals 0 6 answers 50%
by GIANSH GUPTA KHUNDKER · Class 8

Which of the following is the defining feature of a conifer?

Science Conservation of Plants and Animals 0 4 answers 50%
by GIANSH GUPTA KHUNDKER · Class 8

A brick is placed on a sandy surface in two ways: first on its widest face, and then on its narrowest face. In which case will the pressure on the sand be greater?

Science Other 0 4 answers 75%
by GIANSH GUPTA KHUNDKER · Class 8

What is the powerhouse of the cell?

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

Which of the following is an incorrect statement regarding organic manure used for improving crop yield?

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

Ron placed an object at a distance of 2 m from a plane mirror. He then shifted the object 0.5 m away from the mirror. What is the total distance between the object and its image?

Science Light 1 12 answers 58%
by GIANSH GUPTA KHUNDKER · Class 8

The "White Gold" refers to which of the following?

Science Other 0 6 answers 33%
by GIANSH GUPTA KHUNDKER · Class 8

Which microorganism is responsible for the conversion of milk into curd?

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

A force of 10N is applied to an object towards the East. Another force of 5N is applied towards the West. What is the net force?

Science Other 0 5 answers 80%
by GIANSH GUPTA KHUNDKER · Class 8

Which of the following is a non-metal that remains in a liquid state at room temperature?

Science Other 0 9 answers 78%
by GIANSH GUPTA KHUNDKER · Class 8

An object can be seen most clearly when an image is formed at which of the following places in the eye?

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

What is the approximate average length of the large intestine in an adult human?

Science Other 0 7 answers 29%
by GIANSH GUPTA KHUNDKER · Class 8

Which instrument is used to check blood glucose sugar levels?

Science Other 0 5 answers 60%
by GIANSH GUPTA KHUNDKER · Class 8

An erect and enlarged image can be formed by a:

Science Light 0 9 answers 67%
by GIANSH GUPTA KHUNDKER · Class 8

What is the function of the cell membrane?

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

The largest cell in the human body is:

Science Cell 0 4 answers 25%

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