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Pradhyumna from J S S Public School, Bengaluru
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

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

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Pradhyumna from J S S Public School, Bengaluru
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

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

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Ayushman Mohapatra from DAV PUBLIC SCHOOL, Bhubaneswar
Subject :NSO    Class : Class 7

Ans 1:

Ayushman Mohapatra from DAV PUBLIC SCHOOL, Bhubaneswar
Class : Class 7
B

Ans 2:

Kartik Saxena from Mercy Memorial School, Kanpur
Class : Class 7
B

Ans 3:

Shriyam from Chinmaya vidyalaya Bokaro, Bokaro
Class : Class 7
Liquid oxygen is impure so ans is B

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Dishen dharmenra patel from Anand niketan to the satellite , Ahmedabad
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

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

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Shaurya Ranjan Singh from BPDAV school , Hyderabad
Subject :NSO    Class : Class 5

X is a plant whose seeds are dispersed by wind whereas Y is a plant whose seeds are dispersed by animals. Which of the following holds true regarding plants X and Y?

AThe seeds of plant X may have either wings or hair like structures.
BThe fruits of plant Y may or may not be edible.
CThe seeds of plant X are dispersed in a small radius around parent plant whereas seeds of plant Y are dispersed to very far off places.
DBoth A and B

Ans 1:

Ishan sandip chaudhari from Divine Child International School, Ahmedabad
Class : Class 5
HOW WOULD THE PLANT/SEED HAVE WINGS!!!!!! PLEASE EXPLAIN.

Ans 2:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8
It should be opt. D

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from Sri Chaitanya Techno School, Bengaluru
Subject :NSO    Class : Class 6

Ans 1:

Saesha from mount St mary's, NEW DELHI
Class : Class 6
someone pls tell if it is A or B

Ans 2:

UTSAV from CHINMAYA Vidyalay, Unchahar
Class : Class 4
the answer can be both A and B i'm not sure

Ans 3:

Nivy from Anan kids academy, Coimbatore
Class : Class 7
technically ,both A

Ans 4:

ARYAN AGRAWAL from NPS KORAMANGALA, BANALORE
Class : Class 8
the answer is d (all of these) as the mosquitis will increase with time the non - biodegradable will be be constent the biodegraedable wate will decrease as the misquotes will eat it

Ans 5:

Shourya Ganesh from The Green Acres Academy, Mumbai
Class : Class 6
Can anyone please tell me if the answer is a or b. I'm sooooooooooooooo confused

Ans 6:

Aarush from St Joseph sen sec school Mahoba, Kulpahar
Class : Class 6
OPTION A IS RIGHT >> this is because ton can remain as same don't decompose >> it cant be b because before lowering fruits and veges are being raised in amount but its not possible as organic waste like fruits and vegetables decompose very quickly so their amount cant be raised..... REGARDSAARUSHBYE BYE

Ans 7:

manya murali from sri sankara senior secondry school, CHENNAI
Class : Class 7
I dont get the question. Can anyone please reply...

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Abhay rajvanshi from Delhi Public School, Gurgaon
Subject :NSO    Class : Class 5

Ans 1:

AREEN from BOLTON, HYDERABAD
Class : Class 6
Ans is D because we get QUARTZITE, OBSIDIAN, GRANITE and CONGLOMERATE, respectively, when we cut off alternate letters starting from the first letter. QUARTZITE is a metamorphic rock, OBSIDIAN and GRANITE are igneous rocks and CONGLOMERATE is a sedimentary rock.

Ans 2:

Khushie from Gdgps gurugram, Gurgaon
Class : Class 5

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Abhay rajvanshi from Delhi Public School, Gurgaon
Subject :NSO    Class : Class 5

The diagram shows three people taking a ride at a fair as shown here. As the boat swings back and forth, which of the following statement(s) is/are true about the three persons, X, Y, and Z ?

(i) X experiences the most potential energy when the boat swings left.
(ii) Z experiences the most potential energy when the boat swings right.
(iii) Y experiences the most potential energy as the boat passes the rest position during swinging.

A(i) only
B(ii) only
C(i) and (ii) only
D(i), (ii) and (iii)


can somebody give me the explanations ?

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Dhananjayan Seshadri from PSBBSSS, Chennai
Subject :NSO    Class : Class 9

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TEJAS Agarwal from Delhi Public School Bhopal, Bhopal
Subject :NSO    Class : Class 7

Read the given statements.
(i) Paramecium has stiff hair-like structures called ____ all over its body, which are used for ____.
(ii) Hydra has a number of ____ around its mouth, that entangle small aquatic animals and kill them with their ____cells.
(iii) Frog uses its long, sticky ____ to catch insects.
(iv) Mosquito sucks up the blood of animals with its ____.
Select the option which correctly fills the blanks in any two of these statements.

A (ii) - Cilia, Absorptive;(iii) - Hand
B (i) - Tentacles, Ingestion; (iv) - Feeding tube
C (i) - Cilia, Ingestion; (ii) - Tentacles, Stinging
D (iii) - Tongue; (iv) - Pseudopodia


what is cilia absorptive cells in this question ?

Ans 1:

Binay Dalai from Dps gandhinagar, Ahmedabad
Class : Class 9
c is the correct option

Ans 2:

Tanushree from Asian International School, Colombo
Class : Class 7
Option C 😜

Ans 3:

Aarna from National public school , Chennai
Class : Class 7
I am not able to understand this question

Ans 4:

priyanka from kendriya vidalaya kathmandu, JHAJJAR
Class : Class 8
option c

Ans 5:

Binay Dalai from Dps gandhinagar, Ahmedabad
Class : Class 9
c is the correct option

Ans 6:

Aishi Pal from Kendriya Vidyalaya DRDO, Bangalore
Class : Class 7
c is correct!!!!!

Ans 7:

Shriyam from Chinmaya vidyalaya Bokaro, Bokaro
Class : Class 7
Hair like structure which helps in absorption

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