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aryan vir from lotusvalley international school gurugram, Gurgaon
Subject :NSO    Class : Class 7

Read the given paragraph carefully.

The female silk (i) lays eggs. When an egg hatches, a tiny caterpillar called silkworm or (ii) crawls out. It feeds on leaves and grows. When it is ready to enter the next stage in its life cycle, it secretes a fibre made of (iii) , which hardens on exposure to air. This is the silk fibre. It covers itself completely with this fibre, to form a (iv) . At this stage, the larva is called a (v) , which grows and changes inside the covering and, a few weeks later comes out as an adult.

Select the correct sequence of words to complete the above paragraph.

(i) (ii) (iii) (iv) (v)
A Moth Larva Protein Pupa Cocoon
B Larva Moth Carbo-Pupa Cocoon hydrate
C Moth Larva Protein Cocoon Pupa
D Moth Larva Fat Cocoon Pupa


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Saransh Agrawal from Meridian School, Hyderabad
Subject :NSO    Class : Class 5

A hoverfly looks like a honey bee (see the figures). Which of the following statements best explains how this adaptation helps the hoverfly to survive ?


ALooking like a honey bee keeps other animals away from the hoverfly's food.
BLooking like a honey bee allows the hoverfly to collect more pollen.
CLooking like a honey bee allows the hoverfly to blend with its environment.
DLooking like a honey bee prevents some predators from trying to eat the hoverfly.


Ans 1:

Debarpan Das from Delhi Public School , Durgapur
Class : Class 5

Ans 2:

AREEN from BOLTON, HYDERABAD
Class : Class 6
Ans is D

Ans 3:

Subharsish Kashyap from CARMEL SCHOOL, JORHAT
Class : Class 5

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Eshaan Sayyad from Sanjivani Academy, Kopargaon
Subject :NSO    Class : Class 2

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RAJ TILAK from DELHI PUBLIC SCHOOL , DURGAPUR
Subject :NSO    Class : Class 6

Ans 1:

Hprakash09 from Billabong high Bhopal, Bhopal
Class : Class 7

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Simarasees kaur from VENKATESHWAR GLOBAL SCHOOL, New Delhi
Subject :NSO    Class : Class 10

Ans 1:

Bitan Chakraborty from Adamas international school, Kolkata
Class : Class 5
or in google

Ans 2:

Bitan Chakraborty from Adamas international school, Kolkata
Class : Class 5
yes it happens but i have no solution

Ans 3:

Bitan Chakraborty from Adamas international school, Kolkata
Class : Class 5
you check in YouTube

Ans 4:

Bitan Chakraborty from Adamas international school, Kolkata
Class : Class 5
or in google

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kalra Shaleen from Jalandhar, Jalandhar
Subject :NSO    Class : Class 3

Beena, Shalu and Navpreet wanted to find out who among them had the biggest lung capacity. They decided to blow into a balloon with one breath and see how big it will become. Which of the following factors they must keep the same to make the test a fair one?
1. Colour and design pattern of the balloon
2. Size and shape of the balloon
3. When to breathe in forcibly before blowing
4. Material, balloon is made of

A 1 and 2 only
B 2 and 3 only
C 1, 3 and 4 only
D 2, 3 and 4 only


The answer is D

Ans 1:

kalra Shaleen from Jalandhar, Jalandhar
Class : Class 4
The answer is D

Ans 2:

kalra Shaleen from Jalandhar, Jalandhar
Class : Class 4

Ans 3:

Aneesh Balaji from BVBARR school, Hyderabad
Class : Class 4
d

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kalra Shaleen from Jalandhar, Jalandhar
Subject :NSO    Class : Class 3

Ans 1:

Senaraj Chintagumpala from Delhi Public School East, Bangalore
Class : Class 3
c

Ans 2:

kalra Shaleen from Jalandhar, Jalandhar
Class : Class 4

Ans 3:

kalra Shaleen from Jalandhar, Jalandhar
Class : Class 4
The answer is C

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Dhruvan G from Indian School al Ghubra, Muscat
Subject :NSO    Class : Class 8

Ans 1:

Sampurna Mandal from DAV Public School Jagganath Talcher, Angul
Class : Class 8
Thanks for the answer

Ans 2:

Shreya Mahesh from Sri Sri Ravishankar Vidya Mandir, Bangalore
Class : Class 8
It is polyester and not polythene. Therefore B is the right answer. Rayon IS regenerated from wood pulp.

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Rehan Agrawal from Indian School Ghubra, Muscat
Subject :NSO    Class : Class 8

Ans 1:

Tarun from Narayana school, Chennai
Class : Class 8

Ans 2:

ATANU DAS from ALLEN CAREER INSTITUTE , KOTA
Class : Class 9
Option (D), electrons move from left to right & the protons are stable in the nucleus and they never move.

Ans 3:

Amol Athawale from WoodRidge High, Mumbai
Class : Class 8

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Anshita Bardoloi from Delhi Public School Newtown, Kolkata
Subject :NSO    Class : Class 5

Ans 1:

AREEN from BOLTON, HYDERABAD
Class : Class 6
Ans is A because of this relationship: Sedimentary : Metamorphic : Igneous

Ans 2:

AREEN from BOLTON, HYDERABAD
Class : Class 6
Ans is A because of this relationship: Sedimentary : Metamorphic : Igneous

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