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Ashwak from Cambridge International School, Saudi Al Dera
Subject :NSO    Class : Class 3

Ans 1:

SRIRAM SRINIVASAN PAKU from KENDRIYA VIDHALAYA ASHOK NAGAR, CHENNAI
Class : Class 3

Ans 2:

Haris from Deens academy , Banglore
Class : Class 3
b

Ans 3:

Haris from Deens academy , Banglore
Class : Class 3
all the questions answer is b

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Arnav kaul from Chirec, Hyderabad
Subject :NSO    Class : Class 5

Ans 1:

Shreetej from Pearson public school, Pune
Class : Class 5

Ans 2:

Shreetej from Pearson public school, Pune
Class : Class 5
d is correct answer

Ans 3:

Sanskriti Nagar from Rose Bud Academy, khagaria
Class : Class 5
D

Ans 4:

DIPTANGSU PARBAT from SOUTH POINT HIGH SCHOOL, Kolkata
Class : Class 7
DDDDDDDDDDDDDDDDDD

Ans 5:

PRANAV VELDURTI from meridian school madhapur, hyderabad
Class : Class 7

Ans 6:

Anirudh from Modern senior secondary school , CHENNAI
Class : Class 5

Ans 7:

Shreetej from Pearson public school, Pune
Class : Class 5
D is the answer

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Arnav kaul from Chirec, Hyderabad
Subject :NSO    Class : Class 5

Refer to the given figure and select the incorrect statement.

(i) S is the coloured circular part of the eye.
(ii) P is the outermost part of eye and it maintains the shape of the eyeball.
(iii) Q is a layer of light sensitive receptors at the back of the eye.
(iv) R carries message from eye to brain.
(v) T is the folded skin above eye which protects eye from dust, durt, etc.

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

Ans 1:

Soham from DPS Whitefield, Bangalore
Class : Class 4
wrong answer

Ans 2:

CHIRAG KHORIA from EVERGREEN PUBLIC SCHOOL, MAYNAGURI
Class : Class 5
tough one,i think the explanation is:S is lens and that part is not colored and t is either eye lids or cornea and neither of them is folded skin.acoording to me

Ans 3:

Mehar from NCS, Vasco
Class : Class 5
please explain

Ans 4:

niuv from meridian, Hyderabad
Class : Class 6

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Arnav kaul from Chirec, Hyderabad
Subject :NSO    Class : Class 5

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Arnav kaul from Chirec, Hyderabad
Subject :NSO    Class : Class 5

Ans 1:

Dushyant Singh from Shri Ram Centennial School, Indore
Class : Class 6

Ans 2:

Dushyant Singh from Shri Ram Centennial School, Indore
Class : Class 6

Ans 3:

Dushyant Singh from Shri Ram Centennial School, Indore
Class : Class 6
both answers b and c are not advisable

Ans 4:

Dushyant Singh from Shri Ram Centennial School, Indore
Class : Class 6

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Arnav kaul from Chirec, Hyderabad
Subject :NSO    Class : Class 5

Ans 1:

PARUL GHARSE from Vibgyor, Mumbai
Class : Class 6

Ans 2:

Devina kashyap from TPS, Mumbai
Class : Class 4

Ans 3:

Devina kashyap from TPS, Mumbai
Class : Class 4

Ans 4:

Vallabh Agrawalla from Sai International School, Bhubaneswar
Class : Class 6
After unscrambling the four jumbled words. We get, Sedimentation, Chlorination, Distillation and Filtration. Filtration and Sedimentation are methods of removing insoluble impurities. Distillation is the only option that is used to remove soluble impurities.

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shreyash rawat from podar international school, pune
Subject :NSO    Class : Class 4

Ans 1:

Advika Narkar from Vibgyor High Airoli, Navi Mumbai
Class : Class 4
The pattern followed is 6 7=137 9=16So,8 4=12

Ans 2:

Advika Narkar from Vibgyor High Airoli, Navi Mumbai
Class : Class 4
i.e. 6 plus 7 = 13 and 9 plus 7 = 16 . SO, 8 plus 4 is 12.

Ans 3:

Kanav Dhingra from DPS sec45, Gurgaon
Class : Class 6
option B

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Diti Sharma from Amity International School, Noida
Subject :NSO    Class : Class 8

Air pollutants are harmful to living things. Which of the following is/are their harmful effect(s)?
(i) They form acid rain.
(ii) They cause breathing problems in humans.
(iii) They interfere with photosynthesis in plants.
(iv) They result in the depletion of ozone layer.

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


It is because acid rain is caused by sulphur dioxide and nitrogen dioxide. Breathing problems are caused by various kinds of pollutants. Dust particles interfere with photosynthesis in plants. Chloro-fluoro carbons or CFCs result in the depletion of ozone layer.

Ans 1:

Pratyay Anand from Ryan International School, NAVI MUMBAI
Class : Class 9
i dont understand how ?

Ans 2:

Ayush Anand Sharma from GEMS international school , Gurgaon
Class : Class 8
Please explain

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Drashti from Global Indian International School, Noida
Subject :NSO    Class : Class 7

Ans 1:

priyanka from kendriya vidalaya kathmandu, JHAJJAR
Class : Class 8
option b

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ANURADHA NAIR from SANDEEPANI VIDYA NIKETHAN SCHOOL, Thrissur
Subject :NSO    Class : Class 4

Ans 1:

Payal Porwal from St John gola, Gola
Class : Class 6
C

Ans 2:

Payal Porwal from St John gola, Gola
Class : Class 6
C

Ans 3:

ANURADHA NAIR from SANDEEPANI VIDYA NIKETHAN SCHOOL, Thrissur
Class : Class 6
A IS THE ANSWER

Ans 4:

Ridhan from SFS janakpuri, New Delhi
Class : Class 5
answer is a because when the ice melts it becomes warmer and changes into liqiud

Ans 5:

sauradeep from j v m Shyamali , ranchi
Class : Class 6
C

Ans 6:

Kanav Dhingra from DPS sec45, Gurgaon
Class : Class 6
option A

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