Name The Angle between incident ray and a normal ray
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0
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73
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February 15, 2021
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Describe an activity to show that thermoplastic is a poor conductor of electricity
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1
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17030
|
August 9, 2020
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Draw the structure of human eye and label any three parts of it
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1
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855
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July 17, 2019
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Can rusting of iron be considered as an example of combustion?
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1
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1395
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July 16, 2019
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Draw a labeled diagram of human ovum
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1
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730
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July 16, 2019
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List two application of reflection of sound
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1
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619
|
July 16, 2019
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Which fuel has highest calorific value?
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1
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723
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July 15, 2019
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Name two plants and their parts we eat
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1
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812
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July 15, 2019
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Which property of Bakelite makes it feasible to be used for making electrical switches?
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1
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755
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July 15, 2019
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What is the difference between rapid combustion and exploison?
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1
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1199
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July 10, 2019
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Give two examples of inflammable substances
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1
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797
|
July 9, 2019
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What is the difference between contact and non-contact forces?
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1
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2072
|
July 9, 2019
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What is the difference between concave lens and concave mirror.?
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1
|
965
|
July 8, 2019
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What is a kaleidoscope? State the principle on which it is based
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1
|
1399
|
July 6, 2019
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Why is sodium stored in kerosene?
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1
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1067
|
July 4, 2019
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Differentiate between deforestation and afforestation
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1
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1070
|
July 4, 2019
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Explain the construction and working of soda acid fire extinguisher
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1
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1822
|
July 3, 2019
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What is the process of transplantation in agriculture?
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1
|
1844
|
July 3, 2019
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Why is petroleum sometimes called 'black gold'?
|
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1
|
988
|
July 2, 2019
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Differentiate between regular reflection and diffused (irregular) reflection
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1
|
940
|
June 25, 2019
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Process of testing pollution check in vehicles, explain in 50 words
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1
|
1046
|
June 21, 2019
|
This is map of India, write 2 places where natural gas is found?
|
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1
|
942
|
June 19, 2019
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Define combustible and non-combustible materials with examples
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1
|
905
|
June 18, 2019
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What do you understand by 4R principal
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1
|
3163
|
June 18, 2019
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Can you give the example of spontaneous combustion, rapid combustion, and explosion
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1
|
6571
|
June 17, 2019
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Make sketches of animal and plant cells. State three differences between them
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0
|
2286
|
March 24, 2018
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State the differences between eukaryotes and prokaryotes
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0
|
19611
|
March 24, 2018
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Write short notes on the following. Cytoplasm Nucleus of a cell
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0
|
9606
|
March 24, 2018
|
The size of the cells of an organism has no relation with the size of its body
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0
|
2685
|
March 24, 2018
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Why do plant cells have an additional layer surrounding the cell membrane?
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0
|
1767
|
March 24, 2018
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