National Science Olympiad Forum By SOF Olympiad Trainer - Page 294
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Tay Wen Xuan from Inspiros International School, SHAH ALAM
Subject :NSO    Class : Class 9

Ans 1:

Harsh Gupta from AECS Narora, Narora
Class : Class 9
answer is D.

Ans 2:

denisa from delhi public school, manglore
Class : Class 3
the ans is D. second inside first inside second.

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SHREYAS ANDOTRA from RYAN INTERNATIONAL SCHOOL, CHANDIGARH
Subject :NSO    Class : Class 7

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Hprakash09 from Billabong high Bhopal, Bhopal
Subject :NSO    Class : Class 7

Refer to the given flow chart and select the correct option regarding P, Q, R and S.



APlant P derives nutrition from the host plant with the help of haustoria and possesses hygroscopic roots which absorb moisture directly from atmosphere.
BPlant Q possesses broad thin leaves with superficial stomata.
CPlant R possesses special leaf modifications to catch and digest insects.
DPlant S possesses stilt roots which help in aeration.


all of them are correct

Ans 1:

SOUVAGYA SAHA from De Nobili School, DHANBAD
Class : Class 9

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C

In the given flow chart,P could be parasitic plant,Q could be plant in desert habitat,R could be insectivorous plant and S could be plant situated near coastline.P does not possess hygroscopic roots. They are present in some orchids to absorb moisture from atmosphere.Leaves in desert plants are either absent or reduced or they are present in the form of spines.Stilt roots are adventitious roots that arise from the lower nodes and provide extra support to the plant.They are not meant for respiration. So,options A,B and D are incorrect.


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Omkar Deshmukh from phoenix greens international school, Hyderabad
Subject :NSO    Class : Class 6

Ans 1:

Shuvangi Das from Vivekananda mission school, haldia
Class : Class 9

Ans 2:

Liza Mary George from St. Thomas Residential School, Mukkolackal, Trivandrum
Class : Class 6

Ans 3:

Ishaan from Mind Tree IIT Mandi Campus School, Mandi
Class : Class 6

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NISHTHA GUPTA from DPS R K Puram, newdelhi
Subject :NSO    Class : Class 6

Ans 1:

Saikrishna Nandakumar from Shishya BEML Public School, BANGALORE
Class : Class 6
d

Ans 2:

SAMPAD BANERJEE from DELHI PUBLIC SCHOOL , BILASPUR
Class : Class 6

Ans 3:

Kavin Karthick M from DPS bangalore east, Bengaluru
Class : Class 6

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Shreya from RFS, Navimumbai
Subject :NSO    Class : Class 9

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Siddharth from Navy Children School, KOCHI
Subject :NSO    Class : Class 7

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Animesh Jain from DPS, Bengaluru
Subject :NSO    Class : Class 7

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maanya from springdales, delhi
Subject :NSO    Class : Class 3

Ans 1:

from Gems international school, Gurugram
Class : Class 3
How is cabbage a root?

Ans 2:

Aditya Shinde from Abhinav School , Pune
Class : Class 3
Cabbage is a leaf a not root.So Answer is wrong

Ans 3:

ishaan from symbiosis , pune
Class : Class 3
what is the logic behind this answer? How is Cabbage a root ??????

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Mahadevan from KV Rubber Board Kottayam, Kottayam
Subject :NSO    Class : Class 5

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