National Science Olympiad Forum By SOF Olympiad Trainer

Ishan Boggarapu from NPS Whitefield, Bangalore

Subject :NSO Class : Class 4

In which of the following figures, Fig.(X) is exactly embedded as one of its part?

A

B

C

D

Ans 1:

Aarvi Gosai from The New Tulip International School, Ahemdabad

Class : Class 5

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Jeet Anandani from Pawar public school, Mumbai

Subject :NSO Class : Class 4

If English alphabets are written in reverse order, what will be third letter to the left of 10^th letter from the left ?

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keshav kumar from symbiosis public school, begusarai

Subject :NSO Class : Class 7

Which of the following is not in uniform motion?
the swinging of the pendulum and rotation of the earth is a uniform motion because in both of that case speed of the object not change but velocity changes i.e direction changes

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vedant from TSRS Aravalli, Gurgaon

Subject :NSO Class : Class 5

Nikita wants to classify the Pine tree and duckweed under two groups. Which of the following classifications can she use?

AM only
BL and M
CL and N
DM and N

.d pine it trees replace flower form cones.

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Ans 1:

vedant from TSRS Aravalli, Gurgaon

Class : Class 5

Ans 2:

SHUBHANI LAKHERA from ANN MARY SCHOOL, Dehradun

Class : Class 5

Yes duckweed has flowers

Ans 3:

vedant from TSRS Aravalli, Gurgaon

Class : Class 5

duckweed grows in water where as pine grows on land.ans d in pine tree flowers are replaced by cones.

Ans 4:

TANVI DAS from GAIL DAV Public School , Dibiyapur

Class : Class 8

Duckweed has MICROSCOPIC flowers.

Ans 5:

Amirta Varshini K from SSM ACADEMY CBSE, Dindigul

Class : Class 5

Ans 6:

Saarth Agrawal from Podar International School , Mumbai

Class : Class 6

Does duckweed have flowers?

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SJ HARITHA from PSNLO, BENGALURU

Subject :NSO Class : Class 6

Find the missing number in the pattern given below.

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Ans 1:

Manish Mulimani from chrysalis high, Bengaluru

Class : Class 8

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SJ HARITHA from PSNLO, BENGALURU

Subject :NSO Class : Class 6

Which of the following statements are incorrect?
(i) Changes in our surroundings that make us respond to them are called stimuli.
(ii) The process of getting rid of body wastes by the living organisms is known as excretion.
(iii) Breathing is a part of a process called circulation.
(iv) Aquatic animals have streamlined bodies to help them use oxygen dissolved in water.
(v) Desert plants have many leaves to reduce loss of water from the leaves through transpiration.
the correct answer has only 3 and 4 not 5 5 is obviously wrong

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Prasanna Hegde from Vibgyor High Horomavu, BENGALURU

Subject :NSO Class : Class 3

Read the given statements made by four students.
Priya – I love the smell of wet soil after rains.
Shruti – My hair feel so rough after using this new shampoo.
Om – Watch out! You can slip on this banana peel.
Sam – I just love the musical sound made by wind chymes hanging at the door of my living room.
Now, select the correct option regarding this.

A Priya used the sense which helps us to choose a good perfume.
B Shruti used the sense which helps us to identify a red and a blue object.
C Om used the sense which helps us to respond to a phone’s ring.
D Sam used the sense which helps to differentiate between a hot and a cold coffee.

A is the answer

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Ans 1:

Jigyasa Karna from DAV public school pokhariput, Bhubaneshwar

Class : Class 3

a

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Ishan Kulkarni from Ryan international school , Pune

Subject :NSO Class : Class 1

Which set has equal balls as the set P?

AL
BN
CO
DM

I think ur answer is wrong

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Raghav Mittal from DAV Public School, ludhiana

Subject :NSO Class : Class 8

A cube of side a rests on the floor as shown in the given figure. Given that the pressure exerted by this cube on the floor is P, what is the pressure exerted by another cube of the same material of side 4a ?
(Take g = 10 N kg^-1)

AP
B2P
C4P
D16P