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Vedika from bal bharti public school, Delhi
Subject :NSO    Class : Class 4

Ans 1:

from ,
Class :
Hydroelectricity can be used in things like fans. Here , Electrical energy(Hydroelectricity)----->changes into----->Mechanical energy(fan)

Ans 2:

Devank Jain from HBK High School, Ahmedabad
Class : Class 4
can anyone explain how chemical energy related to grass

Ans 3:

ARNAV BANSAL from Arwachin International School Pilkhuwa, PILKHUWA
Class : Class 6

Ans 4:

ARNAV BANSAL from Arwachin International School Pilkhuwa, PILKHUWA
Class : Class 6

Ans 5:

Divyamsh from The Sky World School, Panchkula
Class : Class 6
It should other way around as in hydroelectricity generation mechanical gets converted to electrical

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ishit from EUROSCHOOL THANE, THANE WEST
Subject :NSO    Class : Class 4

Ans 1:

from ,
Class :
A as Frog,Lizard,Duck,Crow and parrot lay eggs:- -Lizard is a reptile;it lays eggs -Duck,Crow and Parrot lay eggs;They are birds -Frog lays eggs;it is an amphibian

Ans 2:

from ,
Class :
Option a is correct

Ans 3:

Gurnoor from Chitkara International School, Chandigarh
Class : Class 5
my ans is a

Ans 4:

Aarathy Sudhir Aarav Sudhir from Global Indian International School, Abu Dhabi
Class : Class 8
Isn't the answer wrong?

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Mishika Singh from EISB, Bangalore
Subject :NSO    Class : Class 4

Ans 1:

ARNAV MISHRA from delhi public school rohini, Delhi
Class : Class 7
no

Ans 2:

from ,
Class :
Ishit rai is correct

Ans 3:

Sushree snehasikta behera from Mother's public school , Bhubaneswar
Class : Class 2
The answer will be D as due to the breathing process of fish the dissolved oxygen in the water will be less and the carbon dioxide will be more as all living beings on earth take in oxygen and give out carbon dioxide while respiration.

Ans 4:

Bismeet Chetia from NPSI Singapore, Singapore
Class : Class 4
Blubbering blums

Ans 5:

ishit from EUROSCHOOL THANE, THANE WEST
Class : Class 7
The answer is D because in container X after three hours due to the respiration of the there will be less O2 and more Co2.Nice question

Ans 6:

AVANTIKA V from St.joseph of Cluny school , Puducherry
Class : Class 6
The answer is D

Ans 7:

Durjoy Datta from Venkateshwar International School, Sector 10, Dwarka, New Delhi
Class : Class 5
Yes it is correct.

Ans 8:

Rudhra from Credence high, Dubai
Class : Class 4

Ans 9:

Aadya Kawale from Podar International ICSE , Dombivli East
Class : Class 4
Yes option D is correct

Ans 10:

Anaisha Jain from Delhi Public School Faridabad, Faridabad
Class : Class 5
I think it could be the B option

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Videh Jain from Bluebells School International, Delhi
Subject :NSO    Class : Class 4

Ans 1:

srijita sen from B.J.E.M school, Bhubaneswar
Class : Class 6
The answer is b,because duckweed and water lettuce are non-flowering floating plants,but in the picture there is a flowering floating plant and in the question there is written to choose the correct option similar to it.So, the answer is B.

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Alisha from Delhi Public School , bopal, Ahemdabad
Class : Class 8
ans is B because, duckweed and water lettuce is nonflowering water plants.

Ans 3:

Savya Sanjay Agarwal from Don Bosco High School, Naigaon East
Class : Class 4
good they should recheck every answer they put

Ans 4:

Apratim Hazra from Gear Innovative International School, Bangalore
Class : Class 4
Well, they asked for a biological relationship, not a flowering/non-flowering relationship, so option A is correct. It's in the solution section.

Ans 5:

Yatindra G from SBOA, Chennai
Class : Class 4
But y is the correct answer being shown as A??

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from ,
Subject :NSO    Class : Class 4

Ans 1:

Ibrahim Aslam from uttam, Ghaziabad
Class : Class 2
The food should not be over cooked

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from ,
Subject :NSO    Class : Class 4

Ans 1:

Ibrahim Aslam from uttam, Ghaziabad
Class : Class 2
What is cardigan? I don't know what

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Jayanth from The Deens Academy, Bengaluru
Subject :NSO    Class : Class 4

Ans 1:

Rudhra from Credence high, Dubai
Class : Class 4
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Ans 2:

Krishika Madan Shanmugam from National Public School, Bangalore
Class : Class 6
dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd

Ans 3:

Rudhra from Credence high, Dubai
Class : Class 4

Ans 4:

Suryatapa Chakraborty from ST. Michael ' s School, Durgapur
Class : Class 6

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from ,
Subject :NSO    Class : Class 4

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from ,
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

from ,
Class :

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Shailaja Divakar from Chennai public school global school, London
Subject :NSO    Class : Class 4

Ans 1:

Anaisha Jain from Delhi Public School Faridabad, Faridabad
Class : Class 5
Ur right

Ans 2:

Savya Sanjay Agarwal from Don Bosco High School, Naigaon East
Class : Class 4
it is not the hottest planet in the universe but in solar system

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