National Science Olympiad Forum By SOF Olympiad Trainer

ishit from EUROSCHOOL THANE, THANE WEST

Subject :NSO Class : Class 4

Read the following statements.
1. Cooking makes the food soft, tasty and easy to chew and digest.
2. Reheating food again and again restores nutrients in the food.
3. Eating junk food very often can lead to health problems.
4. Old people need food that is hard and raw.
Which of these statements is/are incorrect?

A1, 2 and 3 only
B3 and 4 only
C2 and 4 only
D3 only

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ishit from EUROSCHOOL THANE, THANE WEST

Subject :NSO Class : Class 4

The given experimental set-up was put in sunlight for a few days. Then leaves X and Y were plucked and iodine test was performed on them. What would you observe?

ALeaf X will completely turn blue black.
BLeaf Y will remain colourless.
CLeaf X will remain colourless at the part covered with dark paper.
DLeaf Y will show blue black colour on tip only.

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ishit from EUROSCHOOL THANE, THANE WEST

Subject :NSO Class : Class 4

The given table shows the sizes of 4 different kinds of paper when weighed to exactly 100 g.

(i) Which kind of paper is the thickest?
(ii) Which paper will allow the maximum light to pass through?

A(i) - Tissue paper, (ii) - Construction paper
B(i) - Tracing paper, (ii) - Waxed paper
C(i) - Waxed paper, (ii) - Tissue paper
D(i) - Construction paper, (ii) - Tracing paper

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Ans 1:

Sai Manushri from freedom international school, bangalore

Class : Class 4

Ans 2:

VANSH GARG from DPSG, GHAZIABAD

Class : Class 4

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Karthik Chandan Palepu from dps east, Bangalore

Subject :NSO Class : Class 2

Select the INCORRECT match out of the following.

ATalc - Softest mineral
BCoal - Used to make electricity
CChalk - Used to write on black board
DGraphite - Used to make kitchen slabs

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Vivaan Telang from Vibgor High, Mumbai

Subject :NSO Class : Class 5

Which of the following figures will continue the given figure series?

A
B
C
D

why not option B

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Ans 1:

AREEN from BOLTON, HYDERABAD

Class : Class 6

Ans is A because we are turning it a quarter. Also:- L+3=O O+3=R R+3=U

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atharv from bluebells international, delhi

Subject :NSO Class : Class 4

Refer to the given word grid and answer the following questions.

Some uniforms are shown here. A professional who wears one of these uniforms is hidden in the word grid. Identify the one and select the correct option.

A
B
C
D

idiot

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Ans 1:

Saipriya from Sankara, Chennai

Class : Class 5

Ans 2:

Pragnay Priyadarshi from Ganges Valley School, HYDERABAD

Class : Class 4

c

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ADRIJA BANERJEE from KANAURIA GANGABAUX BHARTIYA VIDYA BHAVAN, KOLKATA

Subject :NSO Class : Class 6

Six friends are sitting around a circle facing the centre. Deepa is between Pratik and Pankaj. Priti is between Mohit and Rohit. Deepa is immediately right to Pratik. Pratik and Mohit are opposite to each other. Who is opposite to Priti?

A Pankaj
B Deepa
C Rohit
D Data inadequate

I think it should be pankaj. The answer is wrong.

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Ans 1:

devansh gaurangi from Stella Maris School , Lucknow

Class : Class 8

I think it's answer is DEEPA.

Ans 2:

Manvi Mundepi from Montfort School Roorkee, Roorkee

Class : Class 8

no,the answer is b-deepa

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ishit from EUROSCHOOL THANE, THANE WEST

Subject :NSO Class : Class 4

Identify the given types of feet (d, e, f) of the birds and select the correct option.

A
B
C
D

Can you tell the answer to this question

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Ans 1:

Aahana Agarwal from NPS Koramangala, Bengaluru

Class : Class 6

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ishit from EUROSCHOOL THANE, THANE WEST

Subject :NSO Class : Class 4

The given diagram shows a model, which some students have made using scrap materials to represent various parts of human digestive system. Identify these parts and select the correct statement regarding them.

AWall of Q has hair like outgrowths which are richly supplied with blood vessels.
BIn P, absorption of water takes place.
CIn R most nutrients are absorbed into the blood along with water.
DS secretes various digestive juices and helps in complete digestion of food.