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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
yes . Sorry I was wrong

Ans 2:

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

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:

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.

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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:

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

Ans 2:

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

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Dipam from Podar International School, Aurangabad
Subject :NSO    Class : Class 5

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chitrab from CS, Kanpur
Subject :NSO    Class : Class 4

Refer to the given diagram and select correct examples of X, Y and Z resources of energy.
             X                Y                    Z
A Petroleum       Coal                Hydro energy
B Solar energy    Natural gas       Coal
C Tidal energy    Petroleum         Nuclear energy
D Coal               Nuclear energy    Petroleum


not understanding please clarify

Ans 1:

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

Ans 2:

B Uppal from Zee School, Nalgonda
Class : Class 4
hi how are u

Ans 3:

Roy Ashmit Umeshchandra from LP SAVANI ACADEMY, SURAT
Class : Class 4
I am fine . bro!

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saitej from silver oaks, Hyderabad
Subject :NSO    Class : Class 5

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