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A Kumar from SNSVM, East Singhbhum
Subject :NSO    Class : Class 7

Ans 1:

himanshu from rps school, mahendragarh
Class : Class 7
d

Ans 2:

Medha Bhutani from Christ Academy, Bengaluru
Class : Class 9
OPTION B IS RIGHT

Ans 3:

A Kumar from SNSVM, East Singhbhum
Class : Class 8
OPTION D) IS CORRECT AS WATER IS INEXHAUSTIBLE,FOREST IS EXHAUSTIBLE,METAL IS RECYCLABLE. AND FOSSIL FUEL CANNOT BE RECYCLED AND IT TAKES MILLIONS OF YEARS TO FORM

Ans 4:

ALICE from Delhi Public School, UDAIPUR
Class : Class 8

Ans 5:

Aanvi Singhal from OWIS INTERNATIONAL SCHOOL , Sarjapur Road
Class : Class 7

Ans 6:

Kamal Manchenella from Delhi Public School, Hyderabad
Class : Class 7
B

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Utkarsh from Kendriya Vidyalaya Bailey Road , Patna
Subject :NSO    Class : Class 8

Consider the given statements and select the correct option which correctly identifies true (T) and false (F).
(i) When a body is in steady motion on a surface, the force of friction is dynamic friction.
(ii) The force of friction between two bodies always acts parallel to the surface in contact with each other.
(iii) It is easier to push a lawn roller than to pull.
(iv) Limiting friction is greater than sliding friction.

(i) (ii) (iii) (iv)
A T F T F
B F T F T
C T T T F
D T T F T


Ans 1:

Paarth Vashistha from Kunskapsskolan Gurgaon , Gurgaon
Class : Class 8
There is a typing error

Ans 2:

Hamsavarshini Swaminathan from St Anns Senior Secondary School, Roorkee
Class : Class 10

Ans 3:

Saish Alampally from DPS, Hyderabad
Class : Class 10
Yea they should check limiting friction

Ans 4:

Paarth Vashistha from Kunskapsskolan Gurgaon , Gurgaon
Class : Class 8

Ans 5:

Student from School, City
Class : Class 5
D

Ans 6:

subhanga from dps numaligarh, golaghat
Class : Class 9
B

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Aviral Shukla from Apeejay School Sheikh Sarai, New Delhi
Subject :NSO    Class : Class 4

Ans 1:

Indrasish Chakraborty from Delhi Public School JOKA South Kolkata, Kolkata
Class : Class 5
A

Ans 2:

Shraddha S Nair from Bright CBSE, Day school vasna, Vadodara
Class : Class 7
The answer is A because scientists have declared that Pluto was a dwarf planet in 24 August 2006

Ans 3:

Indrasish Chakraborty from Delhi Public School JOKA South Kolkata, Kolkata
Class : Class 5

Ans 4:

Indrasish Chakraborty from Delhi Public School JOKA South Kolkata, Kolkata
Class : Class 5

Ans 5:

Priyanshi from Delhi Public School, Gurugram
Class : Class 4

Ans 6:

Gunnit Kant from DPS, Nerul, Navi Mumbai
Class : Class 8
A

Ans 7:

Ashwak from Cambridge, Jalandhar
Class : Class 8
A

Ans 8:

somesh from Centre point katol road, Nagpur
Class : Class 6
A

Ans 9:

Gunnit Kant from DPS, Nerul, Navi Mumbai
Class : Class 8
A

Ans 10:

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

Ans 11:

Arnesh from DPS Mathura Road , New Delhi
Class : Class 7
the answer is A

Ans 12:

Sashriti Das from Delhi Public School Bangalore North, Bangalore
Class : Class 5
A

Ans 13:

LAVANYA DADHWAL from BLOOM PUBLIC SCHOOL, South West Delhi
Class : Class 7
A

Ans 14:

Shaurya uniyal from NDS school rishikesh, Rishikesh
Class : Class 6
A

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Aviral Shukla from Apeejay School Sheikh Sarai, New Delhi
Subject :NSO    Class : Class 4

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Aviral Shukla from Apeejay School Sheikh Sarai, New Delhi
Subject :NSO    Class : Class 4

Match the column I with column II and select the correct option.

Column I Column II
(Causes of soil erosion) (Methods of soil conservation)
a. Running water carries
the topsoil with it		 1. Embankments
b. Strong winds blow away
humus-rich topsoil		 2. Wind breaks
c. Indiscriminate cutting of trees 3. Afforestation
4. Terrace farming


A a-1, 3; b-2; c-4
B a-2, 4; b-1; c-3
C a-2; b-1, 3; c-4
D a-1, 4; b-2; c-3


Give solution

Ans 1:

Darsh Vijay from The Orbis School, Pune
Class : Class 5
Dear Admin from revise , kindly share solution / reasoning to this answer.

Ans 2:

k tagore from montessori school, KURNOOL
Class : Class 3
THE CORRECT ANSWER IS D

Ans 3:

Kerry Param from The Air force school, Delhi
Class : Class 9
Plz explain

Ans 4:

Devasree from Presidium, Ghaziabad
Class : Class 10

Ans 5:

TARA NAUTIYAL from CONVENT OF JESUS AND MARY, DEHRADUN
Class : Class 4
pl explain how the ans is D

Ans 6:

Arjun Gourineni from CHIREC International School, Hyderabad
Class : Class 7

Ans 7: (Master Answer)

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

Ans 8:

Vihan Allimore from Podar international school, Ambegaon , Pune
Class : Class 4
how terrrace farming will stop soil errossion

Ans 9:

ishit from EUROSCHOOL THANE, THANE WEST
Class : Class 7
Can you tell the answer of this question

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Aviral Shukla from Apeejay School Sheikh Sarai, New Delhi
Subject :NSO    Class : Class 4

Ans 1:

Tanirika Bansal from DPS Faridabad, Faridabad
Class : Class 4
solution is not given

Ans 2:

Rahul from Cambridge school, noida
Class : Class 4
do the activity for more solution

Ans 3:

Aviral Shukla from Apeejay School Sheikh Sarai, New Delhi
Class : Class 10
Very nice

Ans 4:

Ira Agrawal from Sancta Maria International School, Hyderabad
Class : Class 3
Oh I didn’t realise

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Arush from Anandi Public School, Udgir
Subject :NSO    Class : Class 7

Priyanka took a destarched potted plant and set up an experiment as shown in the figure. She left the plant in sunlight for few hours and then tested the leaves X and Y for starch. Leaf X did not give starch test while leaf Y showed presence of starch.

What is proved by this experiment?

A Chlorophyll is necessary for photo-synthesis.
B Carbon dioxide is necessary for photo-synthesis.
C Light is necessary for photosynthesis.
D Oxygen is given out during photo-synthesis.


oohhhhhhk

Ans 1:

Saniddhya Das from Self, Bangalore
Class : Class 7
B is correct because Potassium Hydroxide absorbs C02

Ans 2:

Rithvik from BVM Global, Chennai
Class : Class 8
how is b correct???

Ans 3:

A Kumar from SNSVM, East Singhbhum
Class : Class 8
b is correct

Ans 4:

Shaurya Achar from Greenwood High Bannergattha Road Bangalore Karnataka, Bangalore
Class : Class 7

Ans 5:

Mehaan Bhatt from Pawar Public School , Mumbai
Class : Class 6

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yajur from dps vk, delhi
Subject :NSO    Class : Class 3

Ans 1:

Sagnik Roy from Nava Nalanda Santiniketan Shakha, Bolpur
Class : Class 8
B

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Gauri Singh from St Johns School Marhauli, Varanasi
Subject :NSO    Class : Class 5

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Adwait Shiva from Udgam School For Children, Ahemdabad
Subject :NSO    Class : Class 5

Ans 1:

Tanishka Pasricha from Sheiling House School, Kanpur
Class : Class 2

Ans 2:

ritvik from VIDYA SHREE INTERNATIONAL SCHOOL rohtak, rohtak
Class : Class 6

Ans 3:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8
none of the above

Ans 4:

shubhavi Dhondge from NPS, Banagalore
Class : Class 8

Ans 5:

Niveideeta Cour from Suncity World School, Gurgaon
Class : Class 5
any option is silly except for none of these it made me laugh

Ans 6:

Arnav Nandan from ST PETERS COLLEGE AGRA, Agra
Class : Class 8

Ans 7:

PRANSHU MOHANTY from INDIRA GANDHI MEMORIAL HIGH SCHOOL, KOLKATA
Class : Class 5

Ans 8:

SANVI ROHILLA from The little shri, Rohtak
Class : Class 5
D

Ans 9:

Rishit from The Shri Ram school , New Delhi
Class : Class 7
booooooom

Ans 10:

EKLAVYA GONDULE from DPS BHILAI, Bhilai
Class : Class 7

Ans 11:

Supratim Biswas from DPS RUBY PARK KOLKATA, kolkata
Class : Class 5

Ans 12:

bharati nath from Springdale high school, Kalyani
Class : Class 6

Ans 13:

Pratham Dave from GNS, Bangalore
Class : Class 7
None of them are the answer to this question

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