National Science Olympiad Forum By SOF Olympiad Trainer - Page 317
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Amitava Pushilal from International Schooling, Singapore
Subject :NSO    Class : Class 5

Ans 1:

Debarpan Das from Delhi Public School , Durgapur
Class : Class 9

Ans 2:

rahul from euroschool, Mumbai
Class : Class 7

Ans 3:

rahul from euroschool, Mumbai
Class : Class 7

Ans 4:

rahul from euroschool, Mumbai
Class : Class 7

Ans 5: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C

A lunar eclipse occurs when the Earth comes in between the Sun and the Moon.


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SIDDHARTH SOMANI from Vibgyor High, Mumbai
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

A

P is not a natural fibre. so, it can be any synthetic fibre like nylon or rayon. Q can be any natural fibre that is obtained from plant. So, it can be cotton or jute. R an be any natural fibre that is obtained from animal. So, it can be wool or silk.


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Arnav Vashisth from GD GOENKA PUBLIC SCHOOL, Delhi
Subject :NSO    Class : Class 3

Ans 1:

Vartika kumar from D P S Newtown, Kolkata
Class : Class 8

Ans 2:

Nishant Hazarika from Air Force School, Dibrugarh
Class : Class 3
C can also be the answer as the planets between Venus and Jupiter are Mars and Earth

Ans 3:

Samik Praveen from Euro School Airoli, Mumbai
Class : Class 6

Ans 4:

Kashika Goel from DPS Noida, Noida
Class : Class 6
no because between Venus and Jupiter 2 planets come in between so they may be talking of mars also we don,t know that and we are sure that option a and b are correct hence d is correct

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prakash jahagirdar from amanora school, Pune
Subject :NSO    Class : Class 7

Ans 1:

Arnav gupta from DPS rohini, Delhi
Class : Class 7

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Admin fly from Ddssxxx, Ax
Subject :NSO    Class : Class 7

Ans 1:

Admin fly from Ddssxxx, Ax
Class : Class 1

Ans 2:

NIRANJAN A from national public school, NAMAKKAL
Class : Class 7
i think it is option A.

Ans 3:

NIRANJAN A from national public school, NAMAKKAL
Class : Class 7
i think it is option A.

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Snigdha swaminath from Christ nagar higher secondary school , Trivandrum
Subject :NSO    Class : Class 6

Refer to the given figure and select the correct option regarding its parts labelled P, Q, R, S and T.


AP is the main reproductive organ in plants but in some plants like broccoli and cabbage it gets modified to store food.
BAfter reproduction, P changes to Q which is always edible in all plants.
CT stores food and becomes swollen in plants like turnip, potato and Dahlia.
DFenugreek and lettuce have edible R which are reduced to spines in Opuntia whereas ginger has edible S, which stores water and becomes photosynthetic in some cacti.


Isn't a option correct both d and a are correct right? Please explain

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D

 

In the given figure P is flower, Q is fruit, R is leaf, S is stem and T is root. In cabbage, leaves are modified to store food. Fruit is not always edible in all plants. In some plants, other parts such as roots, stems, etc., are edible. In potato, the stem stores food and becomes swollen.


Ans 2:

ANURAG MOHANTY from DAV Public School Burla, SAMBALPUR
Class : Class 9

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Ishan Boggarapu from NPS Whitefield, Bangalore
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D

In the given food chain if the population of frog decreases, then it will lead to an increase in the grasshopper population. As there will be less frogs to feed upon the grasshoppers.


Ans 2:

Bhumanyu Bora from Delhi Public School, Duliajan
Class : Class 5
oh yeah , you are right its D

Ans 3:

Sahana from dpsnoida, Noida
Class : Class 3

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Sneha Sarkar from South city international school, Kolkata
Subject :NSO    Class : Class 3

Ans 1:

Shriram from Velammal New Gen, Madipakkam, Chennai
Class : Class 5

Ans 2:

Shruti from ,
Class : Class 1
March has 31 days

Ans 3:

Sanyam Gupta from DPS Noida, Noida
Class : Class 3
hi

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Admin fly from Ddssxxx, Ax
Subject :NSO    Class : Class 7

Ans 1:

sri from indian school bousher, muscat
Class : Class 7

Ans 2:

Geetha Bhanu Sri from Cornerstone public school, hyderabad
Class : Class 7

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Admin fly from Ddssxxx, Ax
Subject :NSO    Class : Class 7

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