Senior KG Science Student Questions

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Showing: All Grades / Science (1553 questions)

by RAJANYA MONDAL · Class 7

A plant cell and an animal cell are both placed in the same environment. The plant cell keeps its general shape better. Which structure is mainly responsible?

Science Other 0 1 answers 0%
by RAJANYA MONDAL · Class 7

A student observes two cells under a microscope. Cell P has a cell wall, chloroplasts and a large vacuole. Cell Q has a cell membrane, cytoplasm and nucleus but no cell wall. Which conclusion is most reasonable?

Science Other 0 1 answers 100%
by ARISH DEY · Senior KG

What does a red traffic light mean?

Science Traffic Rules and Safety 0 0 answers 0%
by RAJANYA MONDAL · Class 7

What type of energy is stored in a stretched rubber band?

Science Other 0 1 answers 100%
by GIANSH GUPTA KHUNDKER · Class 9

Which characteristic of sound allows us to distinguish between two notes of the same pitch and loudness played on different musical instruments?

Science Sound 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Sound waves with frequencies below 20 Hz are called:

Science Sound 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

The repetition of sound caused by multiple reflections of sound waves in a large hall is known as:

Science Sound 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Loudness of sound is directly proportional to the square of its:

Science Sound 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

To hear a distinct echo, what is the minimum distance required between the source of sound and the reflecting surface? (Take speed of sound in air as 344 m/s)

Science Sound 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

What is the audible frequency range for a normal human ear?

Science Sound 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

The speed of sound is generally highest in:

Science Sound 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

The pitch of a sound depends primarily on its:

Science Sound 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Sound cannot travel through which of the following media?

Science Sound 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Sound waves in air are characterized as:

Science Sound 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

How does the biological carbon cycle return carbon dioxide back to the atmosphere?

Science Natural Resources 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Topsoil is the most fertile layer of soil. Which of the following farming methods helps prevent its erosion on hilly terrains?

Science Natural Resources 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Which human activity is directly responsible for the creation of "Ozone Holes" in the upper atmosphere?

Science Natural Resources 0 1 answers 100%
by GIANSH GUPTA KHUNDKER · Class 9

"Eutrophication" in a water body is primarily triggered by the excessive runoff of:

Science Natural Resources 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

The step in the water cycle where water vapor changes into liquid water droplets to form clouds is known as:

Science Natural Resources 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

What causes "Acid Rain" to form in the atmosphere?

Science Natural Resources 0 0 answers 0%

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