National Science Olympiad Forum By SOF Olympiad Trainer

Subhang Deep Sahu from Chrysalis High Kadugodi . , Bangalore

Subject :NSO Class : Class 6

Refer to the given graph plotted for three different fabric pieces of equal size P, Q and R on the basis of their water absorbing capacity and select the correct statement.

AP is made up of fibres obtained from Gossypium plant whereas R is made up of fibres obtained from an insect.
BQ is made up of protein fibres obtained from an insect whereas R is made up of cellulose fibres obtained from flower of a plant.
CR is made up of fibres obtained from plant stem by the process of retting whereas P is made up of fibres obtained from plant seed by the process of ginning.
DP is biodegradable whereas Q and R are non-biodegradable.

View All Answers (0)

Submit Your Answers

Post Your Answer

Nilanjana from Kv, Mumbai

Subject :NSO Class : Class 9

Which of the following statements is/are true for the mass of the substance deposited at the cathode?
(i) It is inversely proportional to quantity of electricity passed through electrolyte.
(ii) It is directly proportional to quantity of electricity passed through electrolyte.
(iii) It is directly proportional to the time for which electricity is passed through the electrolyte.
(iv) It is inversely proportional to the time for which electricity is passed through the electrolyte.

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

View All Answers (0)

Submit Your Answers

Post Your Answer

Harsh baburao walke from Holy spirit convent school , Pune

Subject :NSO Class : Class 3

I am a rock but I can float on water. You can find me in your bathroom. Who am I?

ACoal
BMarble
CPumice
DSlate

https://www.sofolympiadtrainer.com/user/common/dashboard

View All Answers (0)

Submit Your Answers

Post Your Answer

Kalp Jain from St Paul Sr Sec school, Mala Road, kota

Subject :NSO Class : Class 4

Which phase of Moon is shown by 'X' in the given figure?

AWaning Gibbous Moon
BWaxing Gibbous Moon
CWaning Crescent Moon
DWaxing Crescent Moon

it is waxing gibbous as per prep-guide

View All Answers (0)

Submit Your Answers

Post Your Answer

Vivaan tiwari from Vasant valley , New Delhi

Subject :NSO Class : Class 7

For an object, distance versus time graph is along X and Y axes, as shown below.
The average speed of the object is ________.

A 0.053 m s^–1
B 0.083 m s^–1
C 5 m s^–1
D 1.253 m s^–1

View All Answers (0)

Submit Your Answers

Post Your Answer

Kalp Jain from St Paul Sr Sec school, Mala Road, kota

Subject :NSO Class : Class 4

Select the odd one out on the basis of mode of transport.

A
B
C
D

A is ship not train

View All Answers (1)

Ans 1:

ANKIT from devin-national school, bangalore

Class : Class 5

A IS THE CORRECT ANSWER AS IT IS A SHIP( WATER TRANSPORT ) AND IS ODD AS TRUCK,AUTO,BUS ARE LAND TRANSPORT. A IS NOT A TRAIN IT IS A SHIP.A SHIP. A SHIP. A SHIP!!

Submit Your Answers

Post Your Answer

Saai Soumendu from ODM PUBLIC SCHOOL, BHUBANESHWAR

Subject :NSO Class : Class 3

Match Column-I with Column-II and select the correct option from the codes given below.

A(a) - 3, (b) - 1, (c) - 4, (d) - 2
B(a) - 3, (b) - 4, (c) - 2, (d) - 1
C(a) - 3, (b) - 2, (c) - 4, (d) - 1
D(a) - 4, (b) - 3, (c) - 2, (d) - 1

How Acacia plant give medicine ?

View All Answers (0)

Submit Your Answers

Post Your Answer

Nivriti from Euro, Mumbai

Subject :NSO Class : Class 7

Mark the option which correctly shows a closed circuit.

A
B
C
D

ans is C

View All Answers (0)

Submit Your Answers

Post Your Answer

Rajath from BGS NPS, Hulimavu, Bangalore

Subject :NSO Class : Class 6

The length of a pencil is measured using a ruler as shown in the given figure. What is the apparent length of the pencil seen by the observer and the actual length of the pencil?