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Siri B Patil from Indian School, Sohar, Oman, Sohar
Subject :NSO    Class : Class 5

Ans 1:

Pratham Dave from GNS, Bangalore
Class : Class 6
You are right Aryaveer and Shaurya Shinde. My answer is also B

Ans 2:

Aryaveer And Shaurya Shinde from Goldcrest High Vashi, Navi Mumbai
Class : Class 6
z)fishing road is not used to change the speed of an object.y)the gears are used to increase the speed but not the direction'Thus the answer is B)Y and Z

Ans 3:

D Murari from Indian School of Excellence, Bangalore
Class : Class 6

Ans 4:

Tanmay kaushal from ICSE, Mumbai
Class : Class 5
Novosti

Ans 5:

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

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Shriram dindore from KVS 9BRD AFS PUNE, PUNE
Subject :NSO    Class : Class 8

Ans 1:

Chatresh ramasai gudi from Bgsnps , Bangalore
Class : Class 8

Ans 2:

Rakshit Mittal from Atomic energy central school 4, Mumbai
Class : Class 8

Ans 3:

Satvik Mehta from St Andrews school Bowenpally, Secunderabad
Class : Class 4
It should be a

Ans 4: (Master Answer)

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

Ans 5:

Palchin from Naval public school, Uran
Class : Class 8
please explain

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Matisha Kansal from Sacred Heart High School, Chd, Chandigarh
Subject :NSO    Class : Class 6

Ans 1:

crow rank 25 from dumb Indian International School, thomanna
Class : Class 7

Ans 2:

Medha from Delhi Public School, Chd, Chandigarh
Class : Class 8
Answer is A (L) after the instruction the sequence is : N P S I L 4 W R 9 U F 7 S Y And then u get the answer

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punyah from kvs happy valley, shillong
Subject :NSO    Class : Class 4

Ans 1:

Daivik Goel from Delhi public school , Vadodara
Class : Class 4
The correct option is -(D)

Ans 2:

Swarnava Pal from Vivekananda Mission School, Haldia
Class : Class 5

Ans 3:

Isra Fathima from sophia high school, Bengaluru
Class : Class 6

Ans 4:

Devansh from mmvm, Udaipur
Class : Class 5
its [D]

Ans 5:

shreyash rawat from podar international school, pune
Class : Class 6
its [D]

Ans 6:

Aaditya Kant from DPS, Nerul, Navi Mumbai
Class : Class 4
d

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Nilanjana De from Delhi Public School North, Bengaluru
Subject :NSO    Class : Class 7

Read the following statements regarding waste-water treatment plant with one or two blanks. Select the option that correctly completes any two statements.
(i) ________ process allows settling of sand in the chambers.
(ii) The solid waste called _______settles down and lighter waste called ________ floats on the surface.
(iii) Secondary treatment involves use of_______.
(iv) ________ and ________ are used in tertiary treatment.

A (ii) sluge, scum; (iii) chemicals
B (iii) grit removal; (iv) chlorine, UV rays
C (ii) scum, sludge; (iii) bacteria
D (i) screening; (iv) aerobic, anaerobic bacteria


What is the answer for the fourth statement?

Ans 1:

UTKARSH SAWARN from AIR FORCE SCHAOOL AMBALA CANTT, AMBALA CANTT
Class : Class 8

Ans 2:

AISHA from K.V.No.-1,A.F.S.,SEC.-14, GURUGRAM
Class : Class 7
CSEDIMENTATIONSCUM.SLUDGE

Ans 3:

AISHA from K.V.No.-1,A.F.S.,SEC.-14, GURUGRAM
Class : Class 7
SCUM,SLUDGE.

Ans 4:

Anshuman D from MVM, Hyderabad
Class : Class 9
Sludge settles while scum floats .you are right

Ans 5:

UTKARSH SAWARN from AIR FORCE SCHAOOL AMBALA CANTT, AMBALA CANTT
Class : Class 8
SLUDGE IS THE SOLID WASTE

Ans 6:

Medha Bhutani from Christ Academy, Bengaluru
Class : Class 9
chlorine and UV rays are tertiary treatment

Ans 7:

Aditya Sai Vemparala from Amanora school, Pune
Class : Class 8
Sludge settles down while scum stays up

Ans 8:

DIVYA PRAKASH from ST.MICHAEL'S HIGH SCHOOL, PATNA
Class : Class 8
good

Ans 9:

Chaitanya L K from SKCHEC, bangalore
Class : Class 8
yeah...sludge settles and scum floats.

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SHREYAS ANANDHAN from Phoenix Greens International School, Hyderabad
Subject :NSO    Class : Class 5

Ans 1:

Tanmay kaushal from ICSE, Mumbai
Class : Class 5
Class : its b easy

Ans 2:

Shubham Majhi from Sri Chaitanya Techno School, Bangalore
Class : Class 5
D

Ans 3:

Fareeha siddiqua from Janki Devi public school , Mumbai
Class : Class 5
it is B got it correct

Ans 4:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5
,bbb,bbb,sing it is bbbb,

Ans 5:

Amit kumar dash from Soon international school , BHUBANESWAR
Class : Class 5
D

Ans 6:

Parijaat waghmare from centre point school international, Nagpur
Class : Class 5

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BHIDE PAVANI SHARDUL from ABHINAV VIDYALAY ENGLISH MEDIUM PRIMARY SCHOOL, Pune
Subject :NSO    Class : Class 5

Ans 1:

SHREYAS ANANDHAN from Phoenix Greens International School, Hyderabad
Class : Class 6
a.y

Ans 2:

sauradeep from j v m Shyamali , ranchi
Class : Class 6
NO

Ans 3:

Sohan Chelekar from Millennium National School, Pune
Class : Class 7
the correct answer is a

Ans 4:

from DAV, Amritsar
Class : Class 7
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL

Ans 5:

Niveditha from , Bengaluru
Class : Class 6
A

Ans 6:

SHREYAS ANANDHAN from Phoenix Greens International School, Hyderabad
Class : Class 6
a.y

Ans 7:

Aryaveer And Shaurya Shinde from Goldcrest High Vashi, Navi Mumbai
Class : Class 6
Frogs breathe through gills when they are small and through lungs when adult.Then, how can frogs breathe through their skin and are "Y"

Ans 8:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5
AA

Ans 9:

from DAV, Amritsar
Class : Class 7

Ans 10:

Pankaj Rajput from RBK GLOBAL SCHOOL, THANE
Class : Class 4
fuck

Ans 11:

Ashwak from Cambridge International School, Saudi Al Dera
Class : Class 7
The correct answer is A because an adult frog breathes through both lungs and skin .

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Ridhi Goyal from DAV Public School, Ludhiana
Subject :NSO    Class : Class 9



Select the incorrect statement regarding this.

APlants require nitrogen mainly in the form of nitrate, which is exported from roots to shoots, reconverted to ammonium and assimilated as amino acid.
BRhizobia, cyanobacteria, nitrifying bacteria, symbiotic fungi, etc are used as biofertilizers.
CRhizobium bacteria produce N2 fixing root nodules in leguminous plants and thus help in replenishing nutrients in crop fields.
DMaterials of biological origin which are commonly used to maintain and improve soil fertility are green manures, biofertilizers and bioinsecticides.


Ans 1:

ARYAN AGRAWAL from NPS KORAMANGALA, BANALORE
Class : Class 8
D

Ans 2:

ARYAN AGRAWAL from NPS KORAMANGALA, BANALORE
Class : Class 8
B

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Faraz Khan from Rassaz International School, Mira Road, Thane
Subject :NSO    Class : Class 6

Ans 1:

Faraz Khan from Rassaz International School, Mira Road, Thane
Class : Class 6
answer should be A as to and fro motion of a swing is not periodic motion

Ans 2:

Matisha Kansal from Sacred Heart High School, Chd, Chandigarh
Class : Class 6
the answer would be C as the hands of the clock shows rotational and periodic motion whereas the table top shows only rotational motion

Ans 3:

Anika Saha from New Town School, KOLKATA
Class : Class 6
Answer should be c. It cannot be A as the motion of moon around earth is not rotational. it is circular

Ans 4:

varun Gupta from arya vidya mandir, Mumbai
Class : Class 7

Ans 5:

ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 6
first thing , both option 1 and 3 have oone mistakein option a - a fan moving is wrong as it is circulatoryin option c - to and fro movement of swing is wrong as the swing may not swing at the same angle every timeDear,SOF , do not go mad!!!!!!!!!there are better trainers than you like- olympiad helper, olympiad succes, online test series (allen)so do not be proud

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Atharva Kumar Tiwari from DPS, Faridabad
Subject :NSO    Class : Class 4

Ans 1:

Annika from presidency, bangaluru
Class : Class 5

Ans 2:

Advika Narkar from Vibgyor High Airoli, Navi Mumbai
Class : Class 4
After Holi summer comes so it should be D;i.e.summer

Ans 3:

Rivan Vyas from New Horizon Thane, Thane
Class : Class 1
Should this be D...summer

Ans 4:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5
holi comes in March and spring starts from 2nd month that is feb. ans 3 is correct

Ans 5: (Master Answer)

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

Ans 6:

Abhinha Ajay Ovhal from Podar International School, Latur
Class : Class 2
the correct answer is C.

Ans 7:

Aahana Agarwal from NPS Koramangala, Bengaluru
Class : Class 6

Ans 8:

Pratham Mehta from Shriram millenium school noida, NOIDA
Class : Class 4
Ans D is correct as spring starts in early February and holy comes in march almost after a month and in March it get's really hot so the and should be D summer

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