National Science Olympiad Forum By SOF Olympiad Trainer - Page 645
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Augustine from , coimbatore
Subject :NSO    Class : Class 4

Ans 1:

Bk Tiwari from S.D.A, Surat
Class : Class 9
D is the answer

Ans 2:

Yaduveer Rathore from MSMS School, Jaipur
Class : Class 5
4 large interstine

Ans 3:

Arnesh from DPS Mathura Road , New Delhi
Class : Class 7
the answer is D large intestine

Ans 4:

Ankush Dey from Sri Chaitanya Techno School Newtown, Kolkata
Class : Class 6
Yes, I also think it is Option D) Large Intestine

Ans 5:

Aviral Shukla from Apeejay School Sheikh Sarai, New Delhi
Class : Class 10
It is D large intestine

Ans 6:

Shiven Dinkar from DPS Noida, Delhi
Class : Class 4

Ans 7:

Nishtha maheshwari from Inventure Academy, Bengaluru
Class : Class 3
It should be D, large intestine

Ans 8:

Shreyansh Saha from Garden High School, Kolkata
Class : Class 6

Ans 9:

none from na, na
Class : Class 5

Ans 10:

Harishchandra C from narayana e techno school, chennai
Class : Class 5
C AND D ALSO WILL ABSORB WATER SO C AND D SEE CORRECT IT SOF

Ans 11:

Sia Parekh from Pawar Public School, Mumbai
Class : Class 7

Ans 12:

Mohhika Sharma from Delhi Public School Greater Noida, Greater Noida
Class : Class 7
Harishchandra, see, clearly, the pic in option 'C' is small intestine.The pic in option 'D' is of large intestine.The answer is option'D'

Ans 13:

Shraddha S Nair from Bright CBSE, Day school vasna, Vadodara
Class : Class 7
ANSWER IS D BECAUSE ABSORPTION OF WATER FROM THE FOOD IS DONE BY LARGE INTESTINE

Ans 14:

Nishtha maheshwari from Inventure Academy, Bengaluru
Class : Class 3

Ans 15:

Sia Parekh from Pawar Public School, Mumbai
Class : Class 7
4The answer will be D It is the correct answer

Ans 16:

Jui from podar international School, PUNE
Class : Class 6
large intestine

Ans 17:

Ashwak from Cambridge, Jalandhar
Class : Class 9
Harishchandra, in option C the figure is of ' Small Intestine ' and in option D the figure is of ' Large Intestine' . So the answer is D

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Puneet Arora from ,
Subject :NSO    Class : Class 6

Ans 1:

Yojit kashyap from APS Ahmedabad, Ahmedabad
Class : Class 6
It is reversible and chemical because salt has sodium and chlorine and water has hydrogen and oxygen so different item formed It is reversible because you can separate them by evaporating the water

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Gaurab Das from DPS School, Bengaluru
Subject :NSO    Class : Class 9

Ans 1:

from ,
Class : Class 10
Gravitational force decreases when altitude increases as gravity is inversely proportional to square of distance that separates earth and the body

Ans 2:

sathvik from nsm public school, vijaywada
Class : Class 9
all the options seem inapropriate for this

Ans 3:

from d.g.v. sr. sec. school, rohtak
Class : Class 9
correct option is not given

Ans 4:

harnoor from cambridge international school, nawanshahr
Class : Class 9
answer given is wrong

Ans 5:

Ridhi Goyal from DAV Public School, Ludhiana
Class : Class 9

Ans 6:

Aditi Agrawal from Sunbeam School Bhagwanpur, VARANASI
Class : Class 9
How can gravitational force increase with altitude?

Ans 7:

aryan kushwaha from delhi public school amballa, amballa
Class : Class 9
GRAVITATIONAL CAN NOT INCREASE WITH ALTITUDE

Ans 8:

Aardev from Choithram School Manik Bagh, Indore
Class : Class 9
ALL THE OPTIONS ARE INCORRECT

Ans 9:

Rishit Saini from R. A. N. Public School , Rudrapur
Class : Class 9
the question is wrong.

Ans 10:

Aryan Srivastava from Jayshree Periwal High School, Jaipur
Class : Class 9
this is wrong

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Yashvi Agrawal from DPS Indirapuram, Ghaziabad
Subject :NSO    Class : Class 6

Ans 1:

Puneet Arora from ,
Class : Class 5
Option c

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Roshan Choudhary from Aps tezpur , Tezpur
Subject :NSO    Class : Class 3

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Augustine from , coimbatore
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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meenakshi jain from mvn, faridabad
Subject :NSO    Class : Class 4

Ans 1:

Risha Jakhotiya from Indo Scott Global School, Pune
Class : Class 3
The correct answer is B

Ans 2: (Master Answer)

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

Ans 3:

Arnesh from DPS Mathura Road , New Delhi
Class : Class 7
I dont know which one is correct C or B

Ans 4:

Parikshit G from DPS Panvel, NAVI MUMBAI
Class : Class 8

Ans 5:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The materials used to make given objects are wool , leather , cotton and silk . Out of these , only leather is hidden..... Hence , option C is correct .

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Vishad Jain from Borivali, Mumbai
Subject :NSO    Class : Class 5

Ans 1:

INDRANI GHOSH ROY from AMRITA VIDYALAYAM, Durgapur
Class : Class 5
Answer will be C, not D

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jyoti from kps, Noida
Subject :NSO    Class : Class 6

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guruprasad mishra from Sanskar public school , Raigarh
Subject :NSO    Class : Class 7

Ans 1:

Sriyansh from Surabhi , Hosapete
Class : Class 9
Plants perform photosynthesis because they need to prepare their food and during night time they respire to break down the prepared food. In seeds food is already prepared and stored in the cotyledons and a seed only needs to break it down(so they respire producing co2). this co2 increases the temperature in the flask.

Ans 2:

Sriyansh from Surabhi , Hosapete
Class : Class 9
Plants perform photosynthesis because they need to prepare their food and during night time they respire to break down the prepared food. In seeds food is already prepared and stored in the cotyledons and a seed only needs to break it down(so they respire producing co2). this co2 increases the temperature in the flask.

Ans 3:

Sriyansh from Surabhi , Hosapete
Class : Class 9
Plants perform photosynthesis because they need to prepare their food and during night time they respire to break down the prepared food. In seeds food is already prepared and stored in the cotyledons and a seed only needs to break it down(so they respire producing co2). this co2 increases the temperature in the flask.

Ans 4:

Sriyansh from Surabhi , Hosapete
Class : Class 9
Plants perform photosynthesis because they need to prepare their food and during night time they respire to break down the prepared food. In seeds food is already prepared and stored in the cotyledons and a seed only needs to break it down(so they respire producing co2). this co2 increases the temperature in the flask.

Ans 5:

Medha Bhutani from Christ Academy, Bengaluru
Class : Class 9
The correct answer is option D

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