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Ainesh Banerjee from The Shri Ram School Aravali, Gurgaon
Subject :NSO    Class : Class 6

Ans 1:

Tanvi T from Arsha Vidya Mandir, Chennai
Class : Class 8
both a and c

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Arya from DPS, Ranchi
Subject :NSO    Class : Class 4

Read the given flow chart showing energy conversion and identify P - S.



             P ------------- Q ------------- R ------------- S
ACar ----- Solar cooker ---- Windmill ----- Walking
BFan ----- Mango tree ----- Car ----- Sleeping
CMicrowave ----- Radio ----- Climbing ----- Reading
DBulb ----- Grass ----- Hydroelectricity ----- Running


How in case of fan electrical energy is converted to light and in case of sleeping chemical energy is converted to kinetic

Ans 1:

Praket Tejas from Delhi Public School Indira Nagar Lucknow, Lucknow
Class : Class 4
d

Ans 2:

Jaytra lohia from Lvis - noida, Ghaziabad
Class : Class 5
the correct answer is d

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Kaavya from Delhi public school , Kolkata
Subject :NSO    Class : Class 5

Read the given paragraph. The American spacecraft Apollo - 7 carrying three passengers viz. Neil Armstrong, Edwin Aldrin and Yuri Gagarin landed on Moon on 21st July, 1979. This was a remarkable day in the history of mankind. They left a flag of NASA there which was specially designed to stay taut on the Moon, where there is no air. There are some errors in the given paragraph. Select the option that correctly identifies their number.

A2
B3
C4
D5


what are the 5 errors in the paragraph

Ans 1:

Pragun goel from Venkateshwar International School, Delhi
Class : Class 6
what do they want to check?

Ans 2:

Anirudh from indira, Pune
Class : Class 5
A

Ans 3:

Shriya Sreekrishna from BLUEBELLS SCHOOL INTERNATIONAL, New Delhi
Class : Class 6

Ans 4:

from , Kolkata
Class : Class 7
1) Apollo - 7 2) Yuri Gagarin 3) 21 st July,1979 4) Flag of NASA 5) stay taut on the moon .

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N R MISHRA from k v 2 kalpakkam, chennai
Subject :NSO    Class : Class 7

Ans 1:

Swarna jain from Lotus valley school, Mandsaur
Class : Class 7
I think answer is A because if the no of predator increases in a food chain then the no of prey is decreased

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Saketh from Kennedy high the global school , Hyderabad
Subject :NSO    Class : Class 5

Ans 1:

Dipam from Podar International School, Aurangabad
Class : Class 8
From the given food web, it is understandable that K is a producer, as it does not eats any plant or animal and all others are consumers. Let us discuss the options. (i) This statement is incorrect as an omnivore eats both producers and consumers, but M does not eat producers. (ii) This statement is also incorrect as N is not a prey as it is not eaten by anyone. (iii) This statement is correct as K is a producer and without it all animals will die. (iv) This statement is correct. We have to discuss about P's food habits. P eats L. M also eats L. If there is no P, L population will increase. If L is increased, M will get more food to eat and will increase. Therefore, (iv) is correct. (i) - Incorrect (ii) - Incorrect (iii) - Correct (iv) - Correct Therefore Ans - B) iii and iv

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sahu.shaktiswaroop22@gmail.com from Kendriya Vidyalaya No.1, Pondicherry
Subject :NSO    Class : Class 8

Ans 1:

Binu Binoy from christujayanthi public school, kakkanad
Class : Class 8
Because charcoal is actually a product made from burning wood and coal is not related to wood or charcoal

Ans 2:

swagat sibsshish from davpublic school cuttack, Cuttack
Class : Class 8
why the answer will not be charcoal.....as charcoal is a processed fuel obtained from coal where as wood n coal are not processed fuel ...they are natural fuels

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Dipanwita Bhattacharjee from GEA, Mumbai
Subject :NSO    Class : Class 3

Ans 1:

from ,
Class :
Answer is C . R can be silk as it is natural and comes from animal and P can be nylon

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smarty from VVM , Chennai
Subject :NSO    Class : Class 7

Ans 1:

Aparajita from Mount Litera Zee School, Vasco da gama
Class : Class 8
Option B

Ans 2:

Kuldeep Battula from Deens Academy, Bengaluru
Class : Class 3
The answer is option b because both the statements are correct but, infact statement 1 should be the correct explanation of statement 2 because statement 2 just tells us that baking soda does not taste sour it has nothing to explain about statement 1, thus the answer is option 2.

Ans 3:

Kuldeep Battula from Deens Academy, Bengaluru
Class : Class 3
The answer cannot be a as statement 2 is not explaning the first one

Ans 4:

Aparajita from Mount Litera Zee School, Vasco da gama
Class : Class 8
yes . Sorry I was wrong

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smarty from VVM , Chennai
Subject :NSO    Class : Class 7

Ans 1: (Master Answer)

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

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Apoorva106 from Little Angels Sr. Sec. School, Sonepat
Subject :NSO    Class : Class 8

An experiment is conducted in which pea seeds are planted 10 mm apart in tray I and 1 cm apart in tray II. Both trays are exposed to the same environmental conditions. It is noted that plants grown in tray I are very weak while plants in tray II are healthy.

AThe plants compete for limited available resources
BThe plants are not exposed to sufficient sunlight
CThe plants are grown in nutrient deficient soil
DThe plants suffered a pathogen attack


but 10 mm is equal to 1 cm !!

Ans 1:

Anjisnu Raha from SBOA School and Junior College, Chennai
Class : Class 9
question is wrong 10 mm=1cm

Ans 2:

Mohak Khetan from Podar International School Powai , Mumbai
Class : Class 8
lol then the question is wrong

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