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Amrisha Chowdhury from DPS Ruby Park, Kolkata

Subject :NSO Class : Class 9

A mass of 100 g strikes the wall with a speed of 5 m s-1 at an angle as shown in figure and it rebounds with the same speed. If the contact time is 2 × 10^-3 s, what is the force applied by the wall?

A N to right
B 250 N to right
C N to left
D 250 N to left

The options are royally messed up.

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Ans 1:

Pransh Vashishtha from Chail Public School Chail Chowk, Chail Chowk

Class : Class 9

Look at the options.. What is this?

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Udayan Sindhu Chaudhuri from Bluebells School International , New Delhi

Subject :NSO Class : Class 5

______ nerves carry messages from the sense organs to the brain or spinal cord only while_______ nerves carry messages from the brain or spinal cord to the organs only.

A Mixed, Sensory
B Motor, Mixed
C Sensory, Motor
D Motor, Sensory.

The answer should be c. We have three types of nerves: motor nerves that carry messages from brain or spinal cord to motor organs only, sensory nerves that carry messages from sensory organs to spinal cord or brain only and mixed nerves that carry messages to and from both sides.

View All Answers (17)

Ans 1:

Ayushi Chatterjee from DPS Noida, Noida

Class : Class 5

tricky ...!!!

Ans 2:

Satvik Agrawal from Delhi Public School, bhopal

Class : Class 5

ccc

Ans 3:

rethish from Veltech, Avadi

Class : Class 3

The answer should be C .We have three types of nerves : motor nervesthat carry messages from brain or spinal cord to motor organs only,sensory nerves that carry messages from sensory organs to spinal cordor brain only and mixed nerves that carry messages to and from both sides .

Ans 4:

NISHIT JHA from DPS NOIDA, Noida

Class : Class 5

what is the ans\

Ans 5:

darsh gupta from S R D A V Public School, delhi

Class : Class 5

tricky and easy !!!

Ans 6:

Dhruv Kumar from St Peters Sr. Sec.School, Sector 37B Chandigarh

Class : Class 5

Ans 7:

Gunjan Rudraruhi Chauthiya from New Beersheba Public School, Pithoragarh

Class : Class 9

Ans 8:

Shivisha Bajpai from Greenwood High, Bangalore

Class : Class 5

Ya ya

Ans 9:

Radhika Gupta from Dps civil lines aligarh , Aligarh

Class : Class 8

Option C is the right answer

Ans 10:

shubhavi Dhondge from NPS, Banagalore

Class : Class 9

Ans 11:

Shivisha Bajpai from Greenwood High, Bangalore

Class : Class 5

Ans 12:

Dhruv Kumar from St Peters Sr. Sec.School, Sector 37B Chandigarh

Class : Class 5

Ans 13:

SANVI ROHILLA from The little shri, Rohtak

Class : Class 5

Easy

Ans 14:

SANVI ROHILLA from The little shri, Rohtak

Class : Class 5

Ans 15:

Akanksha Mohapatro from DPS Bangalore North, Bangalore

Class : Class 5

Ans 16:

Niveideeta Cour from Suncity World School, Gurgaon

Class : Class 5

very easy

Ans 17:

Ashwak from Cambridge, Jalandhar

Class : Class 9

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Sanket Kulkarni from Euroschool, Pune

Subject :NSO Class : Class 6

The diagram shows a circuit tester. Which objects will cause the light bulb to go off when placed in the circuit tester?

(a) Pencil lead (graphite)
(b) Steel ball
(c) Paper
(d) Aluminium foil

View All Answers (4)

Ans 1:

SUHANI PANDA from DE PAUL SCHOOL, BERHAMPUR

Class : Class 8

Paper is the answer. Other objects can conduct electricity.

Ans 2:

Sancia Sam from VNGSM, Chennai

Class : Class 6

a and c

Ans 3:

AMAN SAIKIA from DELHI PUBLIC SCHOOL DULIIAJAN, DULIAJAN

Class : Class 9

C) Paper is correct, as others are conductors of electricity, including graphite.

Ans 4:

Arshdeep Singh from DPS HARNI, Vadodara

Class : Class 9

a) graphite is the answer

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ANANYA.SINGH from dps, noida

Subject :NSO Class : Class 2

AHeavier than
BLighter than
CEqual to
DCan't be determined

it should be equal to

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Ans 1:

Gaurika Bhasin from Genesis global school, Noida

Class : Class 2

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Keerthana from FAIPS, Chennai

Subject :NSO Class : Class 6

An error in reading the measurement due to the wrong position of the eye is ______ error.

ADiversion
BResolution
CParallax
DBoth B and C

I don't understand

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Ans 1:

Sancia Sam from VNGSM, Chennai

Class : Class 6

c.parallax

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Abhinav from nesss, vadodara

Subject :NSO Class : Class 7

Select a figure from the options which does not satisfies the same condition of placement of the dots as in Fig. (X).

A

B

C

D

View All Answers (5)

Ans 1:

Hritvi from Podar International School, Mumbai

Class : Class 7

that's obvious

Ans 2:

Hritvi from Podar International School, Mumbai

Class : Class 7

I mean it is aldready given in correct answers that the answer is B.

Ans 3: (Master Answer)

Admin from revisewise, Noida

Class : Class 1

The correct answer is B.

Ans 4:

AHAAN SINHA from DPS Noida, Noida

Class : Class 9

pl give explanation for answer

Ans 5:

Rohan David from Oakridge International school, Hyderabad

Class : Class 7

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ADITYA ROY from VIDYASAGAR SHISHU NIKETAN, MEDINIPUR

Subject :NSO Class : Class 4

Rahul is new to a town. Today is his first day in his school. After school he has to visit a doctor for routine medical checkup.
Which of these symbols on map will help him to locate school and hospital respectively?

(a) f and d
(b) g and e
(c) e and d
(d) f and e

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Ans 1:

arnav from Dps noida, Delhi

Class : Class 8

Explain

Ans 2:

Agnimitra Gupta from south point school, Kolkata

Class : Class 6

explain

Ans 3:

AREEN from BOLTON SCHOOL, Secunderabad

Class : Class 5

Answer is A.

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Asmi Raniga from Indian school Ghubra, Muscat

Subject :NSO Class : Class 3

There is a certain relationship between fig. (i) and (ii).Establish the same relationship between fig. (iii) and (iv) by selecting a figure from the given options which will replace the (?) in fig. (iv).

A
B
C
D

It should be D

View All Answers (2)

Ans 1: (Master Answer)

Admin from revisewise, Noida

Class : Class 1

The correct answer is B.

Ans 2:

SAMARPAN DAS from Notre Dame Academy, Salakati Kokrajhar

Class : Class 7

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arunalka70@gmail.com from R n Podar school, Mumbai

Subject :NSO Class : Class 6

A piece of thread folded 6 times is placed along a 15 cm long measuring scale as shown in the figure. The length of the thread is between
Thread

A 0.15 - 0.50 m
B 0.50 m - 1.0 m
C 1.0 m - 1.5 m
D 1.5 m - 2.0 m

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Ans 1:

bengaluru from DA, Bengaluru

Class : Class 6

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Ans 2:

varun Gupta from arya vidya mandir, Mumbai

Class : Class 8

Ans 3:

Vihaan Nair from Ambassador School, DUBAI

Class : Class 8

Ans 4:

Iba khan from DPS GBN, Noida

Class : Class 6

Ans 5:

Iba khan from DPS GBN, Noida

Class : Class 6

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Ans 6:

Jeisree kk from K.S.N secondary school , Chennai

Class : Class 7

Iba khan and bengaluru *

Ans 7:

VEERANGANA SINGH from DPS NOIDA, NOIDA

Class : Class 7

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PRAGWANSH JENA from DELHI PUBLIC SCHOOL, Raipur

Subject :NSO Class : Class 2

A person who studies Earth's atmosphere and the variations in the atmospheric conditions that produce weather is called _______.

A Astronomist
B Botanist
C Geologist
DMeteorologist

how meterologist can know about weather ?some how it may partly correct "Astronomist.

View All Answers (2)

Ans 1:

mahati from Delhi public school, Hyderabad

Class : Class 7

Correct Answer'' Meteorologist''

Ans 2:

SHIVEN.DINKAR from Delhi Public School, Noida

Class : Class 2

D i the right answer

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