National Science Olympiad Forum By SOF Olympiad Trainer

srijita sen from B.J.E.M school, Bhubaneswar

Subject :NSO Class : Class 4

Refer to the given graph showing temperature changes at a place over a year. Select the INCORRECT option regarding it.

AAt time Y, one should wear woollen sweater and gloves.
BAt time Z, one should wear woollen coat and socks.
CAt time X, one should wear cotton t-shirt and shorts.
DAll of these

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Ans 1:

srijita sen from B.J.E.M school, Bhubaneswar

Class : Class 6

Answer is option A

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AHANA BAG from DELHI PUBLIC SCHOOL JOKA SOUTH KOLKATA, KOLKATA

Subject :NSO Class : Class 4

The dress shown in the picture is known as _________ and is traditional dress of __________.

AKimono, Australia
BHanbok, Japan
CKalli Mundu, India
DNone of these

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Ans 1:

srijita sen from B.J.E.M school, Bhubaneswar

Class : Class 6

Option -D is the correct answer.

Ans 2:

Rudransh Aneja from Billabong High, Noida

Class : Class 5

option d is correct

Ans 3:

Samruddhi Nagvenkar from Shree Mahalaxmi Primary School, Panaji

Class : Class 6

Ans 4:

AHANA BAG from DELHI PUBLIC SCHOOL JOKA SOUTH KOLKATA, KOLKATA

Class : Class 9

mnbvgf

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vedant from TSRS Aravalli, Gurgaon

Subject :NSO Class : Class 4

Swati left two similar pots, X and Y, having green plants near her window for a week which she used to water regularly. Based on the given diagrams, which of the following statements could be true? 1. The plant in X grows faster than the plants in Y. 2. The plants in Y compete for nutrients and space. 3. The plant in X gets insufficient sunlight and air. A1 and 2 only B1 and 3 only C1 and 3 only D1 and 3 only

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Saanvi from Dehli Public School , Gurugram

Subject :NSO Class : Class 4

Arpit carried out an experiment to find out which kind of container is best for keeping the food hot. He put the same amount of food into 4 containers made of different materials which were of the same size and thickness and placed them in the same external condition. The result of his experiment was recorded on the graph as shown.
Based on results, which container, P, Q, R or S, is the best for keeping the food hot?

A Container P
B Container R
C Container S
D Container Q

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Ans 1:

Saanvi from Dehli Public School , Gurugram

Class : Class 4

Ans 2:

vedant from TSRS Aravalli, Gurgaon

Class : Class 5

c

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Dishita Santosh Walujkar from Nutan English School, Kurduwadi

Subject :NSO Class : Class 4

Manoj crossed out 'mushroom' from the given group because he felt that it did not belong to this group. Which of the following statements support Manoj’s conclusion?

A. Mushroom is a plant while the rest are not.
B. Mushroom is a fungus while the rest are not.
C. Mushroom feeds on decaying things while the rest do not.
D. Mushroom cannot make its own food while the rest can.

AB and C only
BA, B and D only
CA, C and D only
DB, C and D only

DDDDDDDDDDDDDDDDD

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Ans 1:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi

Class : Class 7

D

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Dishita Santosh Walujkar from Nutan English School, Kurduwadi

Subject :NSO Class : Class 4

If Moon was observed on 7th July then, Moon will be observed on _______.

A15th July
B28th July
C30th July
D21st July

DDD

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Ans 1:

SHUVRA MAITRA from THE HERITAGE , KOLKATA

Class : Class 4

Ans 2:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi

Class : Class 7

D

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Dishita Santosh Walujkar from Nutan English School, Kurduwadi

Subject :NSO Class : Class 4

In which of the following cases, the person is NOT doing any work in terms of science?

ARohan is throwing a ball.
BSukriti is standing while carrying her school bag on her shoulders.
CVidushi is trying to move a tree by pushing it.
DBoth B and C

D

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Ans 1:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi

Class : Class 7

D

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Dishita Santosh Walujkar from Nutan English School, Kurduwadi

Subject :NSO Class : Class 4

Select the activity which is different from the other three based on the types of force involved.

AA person climbing up a mountain using rope
BMaking chapati out of dough
CLifting a heavy bag kept on floor
DDrawing water out of well using rope

B

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Ans 1:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi

Class : Class 7

B

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Dishita Santosh Walujkar from Nutan English School, Kurduwadi

Subject :NSO Class : Class 4

The given options show pair of magnets each. Which pair of magnets will attract each other?

A
B
C
D

B

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Ans 1:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi

Class : Class 7

B

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Dishita Santosh Walujkar from Nutan English School, Kurduwadi

Subject :NSO Class : Class 4

Study the given word chop table. Which of the following sets of boxes will give the names of traditional clothings of Kerala and Korea, respectively?

A2 and 8, 4 and 5
B1 and 6, 5 and 3
C7 and 3, 4 and 9
D1 and 7, 2 and 5

B

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Ans 1:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi

Class : Class 7

B

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