National Science Olympiad Forum By SOF Olympiad Trainer - Page 314
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Agriye Kamboj from ST.XAVIER SEC SE CO ed Bhopal, BHOPAL
Subject :NSO    Class : Class 4

Ans 1:

vineet8026@gmail.com from dps, Doha
Class : Class 1

Ans 2:

Utkarsh Priyam from DSE, hyderabad
Class : Class 8

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D

Solution is the liquid mixture in which the minor component (the solute) is dissolved in the major component (the solvent). So, when Pinki made lemonade by dissolving lemon juice and little sugar in water, it means lemon juice and sugar are the solutes, Water is the solvent, and lemonade is the solution.


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PARNIKA SINGH from GYAN GANGA EDUCATION ACADEMY, RAIPUR
Subject :NSO    Class : Class 7

Ans 1:

SOMDATTA BHATTACHARYA from Delhi Public School, Dhaligaon, Bongaigaon
Class : Class 5

Ans 2:

Shreya Sudarshan from RVK - Banashankari, Bengaluru
Class : Class 7
can a solution be given to the following problem ?

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Yashvi bhatt from Iswki, Muscat
Subject :NSO    Class : Class 2

Ans 1:

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

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Riya Nambiar from The Sanskaar Valley School, Bhopal
Subject :NSO    Class : Class 5

Ans 1:

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....

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B


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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

Ans 1:

Bhupesh from dps dubai, dubai
Class : Class 8

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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
C

Ans 2:

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

Ans 3:

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

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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:

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

Ans 3:

Mahi Chandra from ICON School of Excellence, Bengaluru
Class : Class 3
Mahi Chandra from Icon School Of Excellence, BengaluruClass: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:

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

Ans 2:

The Address from Somaiya, Mumbai
Class : Class 6

Ans 3:

Manabendra from MPS, BBSR
Class : Class 8
A

Ans 4:

The Address from Somaiya, Mumbai
Class : Class 6

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