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Abhiram from TIME, Secunderabad
Subject :NSO    Class : Class 8

The given figure shows a circuit which contains three identical lamps and two switches.


Which of the following statements is correct regarding the given circuit?

AWhen switch 2 is closed and switch 1 is open, all the three lamps glow.
BWhen switch 2 is closed and switch 1 is open, only lamp 1 and lamp 3 glow.
CWhen switch 1 is closed and switch 2 is open, only lamp 2 glows.
DWhen both switch 1 and switch 2 are closed, all the three lamps glow.


shouldn't it be option(A) as all the lamps are connected without any switch in middle except switch two.

Ans 1:

Nikhita Nandakumar from Shishya beml public school, BANGALORE
Class : Class 8
Can't understand

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Asmi Raniga from Indian school Ghubra, Muscat
Subject :NSO    Class : Class 3

Ans 1:

SARTHAK.SHUKLA from Delhi Public School, Noida, Noida
Class : Class 3
Answer is B because the stomach is a muscular organ located on the left side of the upper abdomen.

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Asmi Raniga from Indian school Ghubra, Muscat
Subject :NSO    Class : Class 3

Ans 1:

Soham Raniga from Indian School Ghubra, Muscat
Class : Class 9
the correct answer is c.

Ans 2: (Master Answer)

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

Ans 3:

Soham Raniga from Indian School Ghubra, Muscat
Class : Class 9
the correct answer is c.

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Asmi Raniga from Indian school Ghubra, Muscat
Subject :NSO    Class : Class 3

Ans 1:

Anvita sinha from Maharaja agrasen model school , Delhi
Class : Class 3
6

Ans 2:

Aditi Mahanti from DPS North Kolkata, Kolkata
Class : Class 3
6

Ans 3:

Aditi Mahanti from DPS North Kolkata, Kolkata
Class : Class 3
6

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Sriram from DPS Modern Indian school , Doha
Subject :NSO    Class : Class 8

Different methods of extinguishing a fire involve the following :
I. Removing the combustible substance.
II. Cooling the substance to a temperature below its ignition temperature.
III. Cutting off the supply of air.
Which of the following statements is correct?

A Method I is suitable in case of a building on fire.
B Method II involves water which works when wood or paper are on fire.
C Method III involves carbon dioxide gas which is lighter than oxygen and forms a blanket around the air.
D All of these


whats wrong with B

Ans 1:

arnav from the gurukul, Panchkula
Class : Class 8

Ans 2: (Master Answer)

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

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NISHIT.JHA from DPS Noida, Noida
Subject :NSO    Class : Class 4

Ans 1:

sauradeep from j v m Shyamali , ranchi
Class : Class 5

Ans 2:

ishi gupta from DPS NOIDA, NOIDA
Class : Class 4
C

Ans 3:

Kanav Dhingra from DPS sec45, Gurgaon
Class : Class 5
option CSOF waalon ans. change karo

Ans 4:

sauradeep from j v m Shyamali , ranchi
Class : Class 5

Ans 5:

sauradeep from j v m Shyamali , ranchi
Class : Class 5
YES OPTION C IS CORRECT

Ans 6:

from , Ahmedabad
Class : Class 5
The Weaver bird uses its beak like a needle to sew leaves and other materials to make a nest,that's true............ The Penguin collects a few pebbles and stones to make a nest,that's true........... Eagles and vultures simply put a few sticks together,that's false........... The Woodpecker pecks a tree trunk with its beak to make a hole for nest,that's true............ So,OPTION (C) will be INCORRECT.

Ans 7:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
Answer is A because tailor bird uses its beak like a needle to sew leaves and other material to make a nest.weaver bird weaves and makes a nest.

Ans 8:

ADITYA ROY from VIDYASAGAR SHISHU NIKETAN, MEDINIPUR
Class : Class 5
option C is the right answer

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Dhairya Godbole from KLE Eng Medium School, SOLAPUR
Subject :NSO    Class : Class 4

Ans 1:

Aahana Agarwal from Greenwood high , bengaluru
Class : Class 4
What is an inclined plane ?

Ans 2:

Manya Pujar from EuroSchool, Davangere
Class : Class 4
ans is B as knife and axe have one inclined plane

Ans 3:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
Answer is B.

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Vidhya M. from Vibgyor High Bannerghatta, Bangalore
Subject :NSO    Class : Class 4

Ans 1:

S Nithyanth from Geethanjali Vidyalaya, Bangalore
Class : Class 4

Ans 2:

shivan iyer from dr pillai global academy, MUMBAI
Class : Class 4
correct

Ans 3:

Maniska nayak from KIIT international, Bhubaneswar
Class : Class 4
how is it A? What is happening in A?

Ans 4:

KUNAL JHAM from The Shishukunj International School, INDORE
Class : Class 5

Ans 5:

BV Karthikeya from Sentia, Hyderabad
Class : Class 5

Ans 6:

BV Karthikeya from Sentia, Hyderabad
Class : Class 5

Ans 7:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
Answer is D because in option A the water is going to the bottle and in option D it's just blowing air.

Ans 8:

Abhinav Kulkarni from National Centre For Excellence, Bengaluru
Class : Class 4
dddddddddddd should be the ans

Ans 9:

BV Karthikeya from Sentia, Hyderabad
Class : Class 5

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Tanya A Mandali from Sri Kumaran Public School , Bangalore
Subject :NSO    Class : Class 5

Ans 1:

Vyom from St KABIR , Ahmedabad
Class : Class 5
question no 19 and 20 are coming together.

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Tanya A Mandali from Sri Kumaran Public School , Bangalore
Subject :NSO    Class : Class 5

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