National Science Olympiad Forum By SOF Olympiad Trainer - Page 358
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Riya Nambiar from The Sanskaar Valley School, Bhopal
Subject :NSO    Class : Class 5

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B


Ans 2:

Bidyaghnya Banerjee from Vidyasagar Shishu Niketan, West Bengal
Class : Class 6
Though building dams are far higher risks to the environment, I think the answer is (B) i.e. dumping wastes. Land, water, soil and air pollution are primarily caused by illegal dumping. The harmful chemicals in the waste affect the physical environment and the waterways by contaminating groundwater and soil. Moreover, you didn't mention in the question, that dumping wastes mean dumping biodegradable wastes....

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Roshan from SNBP International School, Pune
Subject :NSO    Class : Class 3

Ans 1:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
answer should be A as the animals will escape from the holes in the wooden cover in setup 3 and 4

Ans 2:

Jasneet Bindra from Raghubir Singh Junior Modern School, New Delhi
Class : Class 3

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Bhupesh from dps dubai, dubai
Subject :NSO    Class : Class 5

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Ayaan Patnaik from Sai International , Cuttack
Subject :NSO    Class : Class 2

Ans 1:

mahati from Delhi public school, Hyderabad
Class : Class 6
Ans= C ,West

Ans 2:

pranjal from pdo school, muscat
Class : Class 2
c ,west

Ans 3:

Aashi Adwita from Delhi Public School , Secunderabad
Class : Class 4
C

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Ayaan Patnaik from Sai International , Cuttack
Subject :NSO    Class : Class 2

Ans 1:

Aashi Adwita from Delhi Public School , Secunderabad
Class : Class 4
A

Ans 2:

Mahi Chandra from ICON School of Excellence, Bengaluru
Class : Class 3
Mahi Chandra from Icon School Of Excellence, BengaluruClass:Ans= Breeze, Wind, Storm

Ans 3:

mahati from Delhi public school, Hyderabad
Class : Class 6
Ans= Breeze, Wind, Storm.

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Kalpn from Chaitnya, Kolkata
Subject :NSO    Class : Class 5

Ans 1:

Tanmay kaushal from ICSE, Mumbai
Class : Class 5
Class :Ok thank you

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

A

Seeds of Z are dispersed in a small restricted area, so, it could be balsam, as balsam seeds get dispersed by explosion near the plant.


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Shaurya Manjkhola from St Kabir Public School Chandigarh, Chandigarh
Subject :NSO    Class : Class 8

Ans 1:

The Address from Somaiya, Mumbai
Class : Class 6

Ans 2:

Manabendra from MPS, BBSR
Class : Class 8
A

Ans 3:

The Address from Somaiya, Mumbai
Class : Class 6

Ans 4:

Kashish Kathuria from Delhi Public School, Bangalore
Class : Class 9
Ya

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Devdarsh hero from HOLY GRACE, Mala
Subject :NSO    Class : Class 6

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Kalpn from Chaitnya, Kolkata
Subject :NSO    Class : Class 5

Ans 1:

Eashta Khodke from Elpro International School Chinchwad Pune, Pune
Class : Class 8

Ans 2:

Arnav Nandan from ST PETERS COLLEGE AGRA, Agra
Class : Class 9
no it is 17 that means none of these

Ans 3:

Iraj Singh from DPS Megacity, Kolkata
Class : Class 8

Ans 4:

Khushi Aggarwal from Venkateshwar Global School, Delhi
Class : Class 5
The answer should be 16

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Lavanya Ramesh from Vidya Soudha Public School , Bangalore
Subject :NSO    Class : Class 6

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