National Science Olympiad Forum By SOF Olympiad Trainer

Bismeet Chetia from NPSI Singapore, Singapore

Subject :NSO Class : Class 4

Select the correct mirror image of Fig.(X).

A

B

C

D

I wrote B

Ans 1:

Ishaan Chakraborty from Don Bosco , Kasba

Class : Class 7

Thanks But I got 20/40

Ans 2:

Krisha Ganeriwal from Podar International school, Mysore

Class : Class 2

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Niteen Jit Sahu from Diya Academy of Learning, Bengaluru

Subject :NSO Class : Class 4

Find the combination of numbers, so that the given letters are arranged accordingly to form a meaningful word.

A2, 4, 1, 5, 3
B2, 4, 1, 3, 5
C2, 4, 3, 1, 5
D3, 4, 5, 2, 1

The answer should B because the meter is an american word and metre is a Britain word. English was invented by Britain. So this is waste organization.

Ans 1:

mishika tripathi from DPS, Gurugram, Haryana

Class : Class 5

answer is c

Ans 2:

Shubhayu Banerjee from DPS Secunderabad - Nacharam - CBSE, Hyderabad

Class : Class 8

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Archishman Pal from Sri Krishna Mission School, Agartala

Subject :NSO Class : Class 4

Read the conversation between three friends.

Select the correct option for P, Q and R.

AP can be steaming, R can be fungi
BP can be roasting, Q can be dehydration
CQ can be dehydration, R can be bacteria
DP can be steaming, Q can be refrigeration

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Ans 1:

Sashrika Pasunoori from KV Gachibowli, Hyderabad

Class : Class 5

Can somebody tell? I don't have any idea

Ans 2:

Ishan Kapilbhai Barochiya from Mayoor Private School , Abu Dhabi

Class : Class 8

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Aayman from DPS NOIDA, Noida

Subject :NSO Class : Class 4

What is the name of the president of iceberg

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priya from indian school, muscat

Subject :NSO Class : Class 4

In a food chain, a ___________ can be placed immediately before a snake.

A
B
C
D

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Ans 1:

Aarya Ranjan from Chrysalis High Varthur, bangalore

Class : Class 5

it should be b

Ans 2:

Rutva Palekar from Ryan, pune

Class : Class 8

A

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Archishman Pal from Sri Krishna Mission School, Agartala

Subject :NSO Class : Class 4

While building a new house, which of the following things should be taken care of to keep house clean and free of germs?

AThere should be proper ventilation, so that clean air can enter the house.
BThere should be good drainage system in bathrooms and kitchen.
CWindows and doors should have wire mesh to avoid flies and mosquitoes from entering into house.
DAll of these

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Archishman Pal from Sri Krishna Mission School, Agartala

Subject :NSO Class : Class 4

Read the given statements and select the correct option.
Statement 1 :Mammals are warm-blooded animals.
Statement 2 :Mammals maintain constant body temperature despite changes in environmental temperature.

ABoth statements 1 and 2 are true and statement 2 is the correct explanation of statement1.
BBoth statements 1 and 2 are true but statement 2 is not the correct explanation of statement1.
CStatement 1 is true but statement 2 is false.
DBoth statements 1 and 2 are false.

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Ans 1:

Tatiana Elena Miranda from Podar-International-School,Powai,Mumbai,C.B.S.E., Mumbai

Class : Class 4

Ans 2:

Srujan Kumar Behera from KV 1 Balasore, Balasore

Class : Class 6

Ans 3:

Srujan Kumar Behera from KV 1 Balasore, Balasore

Class : Class 6

Ans 4:

jathin from national public school chikkabanavara, banglore

Class : Class 4

CORRECT ANSWER IS A

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Archishman Pal from Sri Krishna Mission School, Agartala

Subject :NSO Class : Class 4

Select an INCORRECT statement regarding photosynthesis.

AFood is prepared by green leaves of a plant.
BWater required for making food is absorbed by roots.
CFor photosynthesis, oxygen is taken in through stomata
DSunlight required for photosynthesis is absorbed by chlorophyll.

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Ans 1:

Adarsh from DPS, Raipur

Class : Class 5

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Archishman Pal from Sri Krishna Mission School, Agartala

Subject :NSO Class : Class 4

Which of the following figure is exactly same as fig. (X)?

A

B

C

D

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Ans 1:

Srujan Kumar Behera from KV 1 Balasore, Balasore

Class : Class 6

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R SAI HARSHIL from HILLSIDE SCHOOL, Hyderabad

Subject :NSO Class : Class 4

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

A At time P, one should wear a sweatshirt and woollen pants.
B At time Q, one should wear muffler and woollen gloves.
C At time R, one should wear shorts and cotton t-shirt.
D None of these

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Ans 1:

Kriti Bhonsale from Delhi Public School, Bengaluru

Class : Class 5

i think it is ACAN SOMEONE PLS TELL THE CORRECT ANSWER?

Ans 2:

Aayman from DPS NOIDA, Noida

Class : Class 4

This question ****s

Ans 3:

Ibrahim Aslam from uttam, Ghaziabad

Class : Class 5

D is the best answer

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