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Shriya Sreekrishna from BLUEBELLS SCHOOL INTERNATIONAL, New Delhi
Subject :NSO    Class : Class 5

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Shriya Sreekrishna from BLUEBELLS SCHOOL INTERNATIONAL, New Delhi
Subject :NSO    Class : Class 5

Anil and Brij are hammering a nail into two pieces of wood to join them. Sunita covered her ears, because she said that hammering is noisy. She told them that they are wasting energy because most of the energy they used in hammering is getting lost. Anil disagreed with what Sunita said. Brij explained that some of the energy is converted to sound and heat, but not lost. Anil then added that energy can never be lost or destroyed.
Who among Anil, Brij and Sunita is/are right?

ABrij only
BAnil only
CSunita only
DAnil and Brij only


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Shriya Sreekrishna from BLUEBELLS SCHOOL INTERNATIONAL, New Delhi
Subject :NSO    Class : Class 5

Ans 1:

Tanushree from Asian International School, Colombo
Class : Class 7
The answer is common cold as when we get a cold almost all the people who are usually around us catch the cold from us.

Ans 2:

RIDHASEN PRIYASEN SHAH from The Rajkumar College, Rajkot, Rajkot
Class : Class 4
I agree with them. common cold is the answer. I hope someone corrects this

Ans 3:

OISHIK KUNDU from Delhi Public school North kolkata, baranagar
Class : Class 4
Read the question properly. It says that which disease CANNOT be spread like the transmission shown here. Here option A,B and D is spread through air. But cholera is spread through water. So option C is the correct option

Ans 4:

Tanushree from Asian International School, Colombo
Class : Class 7
The answer is common cold as when we get a cold almost all the people who are usually around us catch the cold from us.

Ans 5:

Mishika shah from little angels high school, gwalior
Class : Class 6
It is written INCORRECT so cholera(c) is the answer

Ans 6:

Devina kashyap from TPS, Mumbai
Class : Class 4
yes option C is correct

Ans 7:

Tanushree from Asian International School, Colombo
Class : Class 7

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Shriya Sreekrishna from BLUEBELLS SCHOOL INTERNATIONAL, New Delhi
Subject :NSO    Class : Class 5

Ans 1:

from Dps, Indore
Class : Class 5
icliked A but it came B

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Shriya Sreekrishna from BLUEBELLS SCHOOL INTERNATIONAL, New Delhi
Subject :NSO    Class : Class 5

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Shriya Sreekrishna from BLUEBELLS SCHOOL INTERNATIONAL, New Delhi
Subject :NSO    Class : Class 5

Kavita wanted to toast some bread with the electric toaster. When she switched on the toaster, she received a mild electric shock. However, when her sister Komal tried the same, she did not feel any shock. What could be the possible reason for the difference in their experiences?
(i) Kavita's hands were wet but Komal's hands were dry.
(ii) Kavita was barefoot but Komal was wearing a pair of rubber slippers.
(iii) Kavita's body was a better conductor of electricity than Komal's.

A(i) and (ii) only
B(i) and (iii) only
C(ii) and (iii) only
D(i), (ii) and (iii)


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sunil from Holy Grace Academy, Thrissur
Subject :NSO    Class : Class 10

Ans 1:

pranav prasoon from paramekkavu vidya mandir, Thrissur
Class : Class 10
because there is not much fissionalble material as they are mainly constituted by hydrogen

Ans 2:

pranav prasoon from paramekkavu vidya mandir, Thrissur
Class : Class 10
because there is not much fissionalble material as they are mainly constituted by hydrogen

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HARSHAL KUTE from cambridge school buldhana, Buldhana
Subject :NSO    Class : Class 6

Refer to the given Venn diagram and select the incorrect statement regarding P, Q and R.


A R has three pairs of jointed legs which help it to walk, run and climb.
B Q has paired and unpaired fins that help in movement in water.
C P has special air sacs connected to the lungs which aid in respiration process.
D Q is a shelled animal that possesses a muscular structure called foot which produces a series of wave like movements, pushing its body forward.


As per the question the animal Q is an shelled animal because it have endoskeletonSo the option D should be correct.

Ans 1:

NISHTHA GUPTA from DPS Vasat Vihar, newdelhi
Class : Class 6
i do not get the answer explain it

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Mahak from Sarvodya sr sec school, Jhajjar
Subject :NSO    Class : Class 6

Ans 1:

Sanket Kulkarni from Euroschool, Pune
Class : Class 8
How come solids have started melting at 0 degrees celsius

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ARKAJYOTI BERA from DAV HALDIA, HALDIA
Subject :NSO    Class : Class 5

Ans 1:

ARKAJYOTI BERA from DAV HALDIA, HALDIA
Class : Class 6
Option B

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