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Bhavya Agrawal from Cambridge Court High School , JAIPUR
Subject :NSO    Class : Class 5

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C

The layer of the Earth, which is made up of solid and molten rocks and contains magnesium and iron is mantle, and is represented by R. Earth's mantle is made up of rock and molten lava containing silicon, iron, magnesium, aluminium, oxygen and other minerals.


Ans 2:

Dushyant Singh from Shri Ram Centennial School, Indore
Class : Class 6

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KEERTHANA SHIBU from INDIAN SCHOOL GHOUBRA, Oman
Subject :NSO    Class : Class 6

Which of the following should be done in case of burns?

AWrap a blanket around the burnt parts of the person.
BApply ghee, oil, etc. on the burn.
CCover the burn with thick cloth.
DPour cold water immediately on the burn till the burning sensation stops.


no check in google should not pour ice cold or cold water on burns..............................................................................................................................................................................................................................ISN'T IT???!!

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Amol Athawale from WoodRidge High, aurangabad
Subject :NSO    Class : Class 8

Ans 1:

Sreevatsa Rajesh from Indian School Al Maabella, Oman
Class : Class 8
SHORT STRECHED AND THIN STRINGS OF GUITAR PRODUCE NOTE OF HIGH PITCH AND VICE VERSA

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Aanya Mehta from Gems Modern Academy, South City -2, Gurgaon, Gurgaon
Subject :NSO    Class : Class 4

Ans 1:

jathin from national public school chikkabanavara, banglore
Class : Class 4
the correct answer is D because if we throw untreated industrial waste the water bodies the water might get polluted and cannot be safe for drinking and for our uses as it can cause some harmful diseases like cholera and jaundice and also harms the plants and animals in the water

Ans 2:

Aanya Mehta from Gems Modern Academy, South City -2, Gurgaon, Gurgaon
Class : Class 4
4 ans is D cause if we throw untreated industrial wastes in water bodies they will get polluted and we won t be able to drink it

Ans 3:

TARA NAUTIYAL from CONVENT OF JESUS AND MARY, DEHRADUN
Class : Class 4
d is the correct answer because if we throw untreated industrial waste it harms the water we drink

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SWARIT JAIN from TSMS NOIDA, GREATER NOIDA
Subject :NSO    Class : Class 4

Ans 1:

jathin from national public school chikkabanavara, banglore
Class : Class 4
the correct answer is : B

Ans 2:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi
Class : Class 4
B

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shreya from Airforce school , Bengaluru
Subject :NSO    Class : Class 3

Read the discussion given below. Which option holds true regarding this discussion?

Renu : Humus present in top layer of soil is good for plant growth.
Rashmi : Water cycle involves continuous processes of evaporation and condensation.
Sanjay : Drinking water polluted with wastes from sewage and homes causes diseases like malaria.
Deetya : Matter is anything that has mass and occupies space.

AOnly Sanjay and Deetya made correct statements.
BRenu made an incorrect statement while Rashmi and Sanjay made correct statements.
CRashmi, Deetya and Renu made correct statements.
DRenu and Sanjay made correct statements while Rashmi and Deetya made incorrect statements.


Water cycle involves evaporation condensation and precipitation.

Ans 1:

shreya from Airforce school , Bengaluru
Class : Class 4

Ans 2:

Rasmita Rout from mother public school , Bhubaneswar
Class : Class 2

Ans 3:

Advika Narkar from Vibgyor High Airoli, Navi Mumbai
Class : Class 4
How it is C?Malaria is a water-borne disease spread by mosquitoes.They come near polluted water and may leave infectious germs.

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ARNESH CHAKRABARTI from RAM MOHAN MISSION, KOLKATA
Subject :NSO    Class : Class 5

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Priyam Bhattacharya from cambridge court high school, jaipur
Subject :NSO    Class : Class 6

Ans 1:

Ayush Chauhan from Modern Public School, Bhiwadi
Class : Class 6
yes arunav you are right

Ans 2:

Vasu tyagi from St Joseph's High school, Panvel
Class : Class 6
answer is C reason ; magnet :p x point is north pole because it repeled to north pole and other one attract to it then it is south pole .In magnet Q :point x attracted to north pole of real magnet and y reppled then both are said to be magnet.

Ans 3:

ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 6
vasu, no need to apply properties. The options which have both pulled and repelled , are magnet

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ICHALKARANJI from dkte, ichalkranji
Subject :NSO    Class : Class 8

Match column I with column II and select the correct option from the codes given below.

Column I Column II
(A) A non-metal, essential for respiration (i) Graphite
(B) A non-metal, the source of energy in Sun (ii) Silicon
(C) A non-metal, good conductor of electricity (iii) Oxygen
(D) A non-metal, used in semiconductors (iv) Hydrogen


A (A) - (iii), (B) - (iv), (C) - (i), (D) - (ii)
B (A) - (i), (B) - (ii), (C) - (iv), (D) - (iii)
C (A) - (ii), (B) - (iii), (C) - (i), (D) - (iv)
D (A) - (iv), (B) - (i), (C) - (ii), (D) - (iii)


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Saarth Agrawal from Podar International School , Mumbai
Subject :NSO    Class : Class 4

Refer to the given figure representing integration of different human systems X, Y and Z. Select the option that correctly identifies these systems.


AX - Digestive system Y - Circulatory system Z - Respiratory system
BX - Respiratory system Y - Circulatory system Z -Digestive system
CX - Circulatory system Y - Digestive system Z -Respiratory system
DX - Digestive system Y - Respiratory system Z -Circulatory system


Ans 1:

Saarth Agrawal from Podar International School , Mumbai
Class : Class 5

Ans 2:

Ayush Anand Sharma from GEMS international school , Gurgaon
Class : Class 8
give solution

Ans 3:

Saarth Agrawal from Podar International School , Mumbai
Class : Class 5
Please someone tell me the answer

Ans 4:

jathin from national public school chikkabanavara, banglore
Class : Class 4
the correct option is : A ]

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