National Science Olympiad Forum By SOF Olympiad Trainer

Saanjana from Vibgyor , Mumbai

Subject :NSO Class : Class 7

Which of the following options do not satisfy the condition of placement of dots as in the Fig. (X)?

A
B
C
D

How?

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Archit Borkar from SSVM World School, Coimbatore

Subject :NSO Class : Class 7

Which of the following is a correct statement?

A In winters, the wind flows from the land to the ocean.
B The coastline of India is not vulnerable to cyclones.
C A cyclone is formed in a very high-pressure area with very high speed winds revolving around it.
D None of these

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Ans 1:

Dhruv Singh from VIBGYOR HIGH HORAMAVU, BANGALORE

Class : Class 9

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ambrish shukla from Modern acadmey, Ghaziabad

Subject :NSO Class : Class 8

Identify P, Q and R in the given flow chart and select the correct option regarding them.

AP - Passenger pigeon, Q - Red panda, R - Humpback whale
BP - Snow leopard, Q - Ivory-billed woodpecker, R - Bengal tiger
CP - Asian elephant, Q - Indian rhinoceros R - Gee’s golden langur
DP - Sea mink, Q - Lion-tailed macaque, R - Nilgiri langur

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Ans 1:

ambrish shukla from Modern acadmey, Ghaziabad

Class : Class 8

Ans 2:

Trina from Ganges Valley School, Hyderabad

Class : Class 10

Ans 3:

Aryasri Sahu from KV IIT Powai, Mumbai

Class : Class 9

A

Ans 4:

ambrish shukla from Modern acadmey, Ghaziabad

Class : Class 8

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Archishman Pal from Sri Krishna Mission School, Agartala

Subject :NSO Class : Class 7

Read the given statements and select the option that correctly states them as true (T) and false (F) ones.
(i) Food protects us from diseases.
(ii) Ingredients of food that we eat comes from plants only.
(iii) People living in different states of India eat same kind of food.
(iv) In carbohydrates, hydrogen and oxygen occur in the ratio of 2 : 1

A(i) - T; (ii) - F; (iii) - F; (iv) - T
B(i) - T; (ii) - T; (iii) - F; (iv) - F
C(i) - F; (ii) - T; (iii) - T; (iv) - F
D(i) - F; (ii) - F; (iii) - F; (iv) - T

Do junk food also protects us from diseases ?

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Ans 1:

Archishman Pal from Sri Krishna Mission School, Agartala

Class : Class 9

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Nandana from St Thomas Residential School, Trivandrum

Subject :NSO Class : Class 10

A constant current of 3.0 A flows counter clockwise in the circular coil P as shown in figure.

What is the direction of the induced current in the coil Q on the right?

AClockwise
BCounter clockwise
COut of the page
DThere is no induced current

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Ans 1:

Anaya Parag Bhanuwanshe from Ashoka Universal school , Nashik

Class : Class 10

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NEELADRI MISHRA from D A V Public School. Unit VIII, Bhubaneshwar

Subject :NSO Class : Class 6

A square transparent sheet with a pattern is given. Find the figure from the options as to how the pattern would appear when the transparent sheet is folded along the dotted line.

A
B
C
D

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Aditi Saha from Bishops KalyaniNagar, Pune

Subject :NSO Class : Class 9

Friction acting between two different objects increases with

AIncrease in irregularities of the surfaces in contact
BIncrease in surface area of contact
CDecrease in surface area of contact
DCan not be changed anyway

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from ,

Subject :NSO Class : Class 6

Which of the following figures will complete the given figure matrix?

A
B
C
D

So

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Ans 1:

sanvi from ndbs, Dehradun 248001

Class : Class 6

ans is d

Ans 2:

Tejas Sharma from Rani Laxmibai Public School, Jhansi

Class : Class 6

Ans 3:

Garima from nath valley, m

Class : Class 6

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