Student Questions

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Showing: Class 8 (823 questions)

by SAWAN KUMAR · Class 8

Rhizobium bacteria live in symbiotic association within the root nodules of which group of plants to fix atmospheric nitrogen?

Science Microorganisms 0 2 answers 100%
by SAWAN KUMAR · Class 8

Which organelle lacks ribosomes on its outer surface and is primarily responsible for lipid synthesis and detoxification of poisons in a cell?

Science Microorganisms 0 0 answers 0%
by SAWAN KUMAR · Class 8

Which of the following cell organelles contains chlorophyll and is exclusively found in plant cells to perform photosynthesis?

Science Microorganisms 0 0 answers 0%
by HARNOOR KAUR · Class 8

A sound becomes louder, but its pitch stays the same. What changed?

Science Sound 0 1 answers 100%
by HARNOOR KAUR · Class 8

Two identical bulbs are connected in series to a battery. One bulb breaks. What happens?

Science Chemical Effects of Electric Current 0 1 answers 100%
by HARNOOR KAUR · Class 8

Why does a drawing pin have a sharp point?

Science Force and Pressure 0 0 answers 0%
by HARNOOR KAUR · Class 8

Two objects travel the same distance. Object A takes 5 seconds; object B takes 10 seconds. Which is faster?

Science Friction 0 0 answers 0%
by HARNOOR KAUR · Class 8

A student pushes a heavy box, but it doesn't move. Which statement is correct?

Science Force and Pressure 0 1 answers 100%
by SAWAN KUMAR · Class 8

The audible range for a healthy young human ear is approximately

Science Sound 0 1 answers 100%
by HARNOOR KAUR · Class 8

What is galvanisation?

Science Coal and Petroleum 0 1 answers 100%
by HARNOOR KAUR · Class 8

Which gas is released when a metal reacts with a dilute acid?

Science Metals and Non-metals 0 0 answers 0%
by SAWAN KUMAR · Class 8

Which situation needs high friction?

Science Friction 0 0 answers 0%
by RAM PANKAJ DESHMUKH · Class 8

A push or pull acting on an object is called:

Science Force and Pressure 0 1 answers 100%
by PRARTHANA P NAIR · Class 8

What is the best cybersecurity practice before publishing a finished video?

Cyber Video Editing 0 0 answers 0%
by PRARTHANA P NAIR · Class 8

Which is the safest way to download a video-editing app?

Cyber Video Editing 0 1 answers 100%
by RAM PANKAJ DESHMUKH · Class 8

What is electroplating?

Science Chemical Effects of Electric Current 0 1 answers 100%
by RAM PANKAJ DESHMUKH · Class 8

Which particles help a conducting liquid carry electric current?

Science Chemical Effects of Electric Current 0 1 answers 100%
by RAM PANKAJ DESHMUKH · Class 8

Which of the following is a good conductor of electricity?

Science Chemical Effects of Electric Current 0 0 answers 0%
by RAM PANKAJ DESHMUKH · Class 8

Which metal is commonly used for electroplating iron objects to give them a shiny, corrosion-resistant coating?

Science Chemical Effects of Electric Current 0 0 answers 0%
by RAM PANKAJ DESHMUKH · Class 8

What happens when electric current passes through a conducting liquid?

Science Chemical Effects of Electric Current 0 2 answers 100%

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