National Science Olympiad Forum By SOF Olympiad Trainer - Page 110
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vibhor from S D Vidya Mandir, Panipat
Subject :NSO    Class : Class 4

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Aritra Porey from DPS Bangalore North, Bengaluru
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is C.

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Rudrashish Chakraborty from Sudarshan Vidyamandir ICSE Academy, Bangalore
Subject :NSO    Class : Class 4

Ans 1:

Vimala from Narayana, Bangalore
Class : Class 4

Ans 2:

Vimala from Narayana, Bangalore
Class : Class 4

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Pournami from Lexicon International School Wagholi, Pune
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is D.

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Anchita from Euroschool Wakad, Pune
Subject :NSO    Class : Class 4

Read the following statements made by two students.
Shuchi : There are three stages in its life cycle. The young one is very similar to its parent. It is P.
Ritu : There are four stages in its life cycle. The young one is very different from its parent. It is Q.
Identify the correct option with regard to P and Q.

----------P-------------------Q
A Housefly --------Cockroach
B Butterfly --------Grasshopper
C Cockroach ------Housefly
D Cockroach ------Grasshopper


please explain

Ans 1:

Parth from St Stephens School, Chandigarh
Class : Class 5
option C

Ans 2:

Parmanyu from Learning paths school, Mohali
Class : Class 5
i found this answer effective.

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Nikhil Kocherry from Ryan International School, Mumbai
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is D.

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sai ramakrishna GUDIMETLA  from AMM MATRICULATION HIGHER SECONDARY SCHOOL, Chennai
Subject :NSO    Class : Class 4

Ans 1:

PRANSHU AGRAWAL from The Jain International School, Bilaspur
Class : Class 6
thanks sir

Ans 2:

ABHAY AGARWAL from ,
Class : Class 3
thank u kind sir

Ans 3:

Mannat Verma from Vivek High School , Chandigarh
Class : Class 6
Thanx sir

Ans 4:

Admin from Revisewise, Noida
Class : Class 3
Answer: B

II and IV

Solution:
As per the equation of photosynthesis -X is carbon dioxide, Y is chlorophyll and Z is oxygen.
I is incorrect because carbon dioxide constitutes only 0.04% of atmosphere and III is incorrect because oxygen gas does not turn lime water milky.

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Aarush from Podar, Mumbai
Subject :NSO    Class : Class 4

Ans 1:

suresh kumar reddy Guddili from ,
Class : Class 4
A

Ans 2:

Parth from St Stephens School, Chandigarh
Class : Class 5
option D

Ans 3:

sai ramakrishna GUDIMETLA  from AMM MATRICULATION HIGHER SECONDARY SCHOOL, Chennai
Class : Class 5
option B

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Aarush from Podar, Mumbai
Subject :NSO    Class : Class 4

Ans 1:

sai ramakrishna GUDIMETLA  from AMM MATRICULATION HIGHER SECONDARY SCHOOL, Chennai
Class : Class 5
option D

Ans 2:

Prisha from Podar International School Thane, Thane
Class : Class 5
Option (D) because land cools faster than the sea.

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Aarush from Podar, Mumbai
Subject :NSO    Class : Class 4

Ans 1:

kanishka from PIES, Abudhabi
Class : Class 5
B

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