National Science Olympiad Forum By SOF Olympiad Trainer

AARNA GARG from bethany high school, Bangalore

Subject :NSO Class : Class 3

Which of the following products do you get from the animal whose name is obtained on unscrambling the given letters?

EYONHEBE

A
B
C
D

ANS,1:A

Ans 1:

AARNA GARG from bethany high school, Bangalore

Class : Class 4

ANS,1:A

Ans 2:

AARNA GARG from bethany high school, Bangalore

Class : Class 4

Ans 3:

Vidit Kishore from Johnson Grammar School, Hyderabad

Class : Class 4

Figures are not clear

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Ashher Pervez from DPS Bhilai, Bhilai

Subject :NSO Class : Class 8

Refer to the given table. Identify X, Y and Z and select the correct statement.

AX is more suitable for summer clothing while Y is more suitable for winter clothing.
BX is jute, Y is silk and Z is linen.
CX on burning gives odour of burning hair whereas Y on burning gives odour of charred meat.
DBoth A and B

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sarag bordoloi from dps numaligarh, golaghat

Subject :NSO Class : Class 5

Refer to the given figure representing composition of air. Identify P-S and select the correct statement.

AAnimals get R from plants.
BS in the air is needed for burning.
CPresence of P in air reduces the rate of burning.
DSpecial bacteria present in soil convert Q in air into a form that can be used by plants.

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Ans 1:

Owee from svm,buldhana, 443201

Class : Class 7

Ans 2:

Sanyog Laddha from Global Indian International School, Pune

Class : Class 6

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Keerti Saksainaa from Presentation Convent Sr. Sec. School., Delhi

Subject :NSO Class : Class 8

Refer to the given figure and select the correct statement regarding it.

(i) P is an important site for protein synthesis.
(ii) R transfers the characteristics of a cell that are formed during cell division.
(iii) Q is a dense fluid like agranular substance.
(iv) P contains DNA while R contains RNA.

A (i) and (ii) only
B (i), (ii) and (iv) only
C (i), (ii) and (iii) only
D (iii) and (iv) only

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Ans 1:

SRIJA SRINIVASAN PAKU from KENDRIYA VIDHYALAYA ASHOK NAGAR, Chennai

Class : Class 8

Ans 2:

Aditya Joel Tauro from SAINT JOSEPHS BOYS HIGH SCHOOL, BANGALORE

Class : Class 9

Ans 3:

Shaurya Verma from NPS HSR, Bangalore

Class : Class 9

Ans 4:

Amrit Biswas from INDUSVALLEY PUBLIC SCHOOL, Noida

Class : Class 10

Ans 5:

Ayush Chauhan from Modern Public School, Bhiwadi

Class : Class 9

Ans 6:

Shaurya Verma from NPS HSR, Bangalore

Class : Class 9

Ans 7:

Amrit Biswas from INDUSVALLEY PUBLIC SCHOOL, Noida

Class : Class 10

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Avneet Kaur from Satpaul Mittal School , Ludhiana

Subject :NSO Class : Class 3

Each letter in the figure is connected to another letter by a straight line. In how many different ways can you form the word 'TIGER'?

A4
B5
C6
D7

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Ans 1:

Avneet Kaur from Satpaul Mittal School , Ludhiana

Class : Class 3

Ans 2:

Akshi Roychoudhury from Sushila birla girls school, Kolkata

Class : Class 2

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SOMDATTA BHATTACHARYA from Delhi Public School, Dhaligaon, Bongaigaon

Subject :NSO Class : Class 7

Observe the given figure. What do you conclude from this?

A Reduced air pressure can lift objects.
B High wind speed reduces air pressure.
C Air expands on heating.
D Atmospheric pressure increases with a decrease in temperature.

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Prisha bhuyan from Chirec international school, Hyderabad

Subject :NSO Class : Class 1

Refer to the given diagram.

Select the option that correctly represents articles P and Q.

	P	Q
A	Umbrella	Woollen gloves
B	Goggles	Raincoat
C	Umbrella	Leather boots
D	Leather jacket	Woollen cap

Why is leather boots there it should be rubber boots

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Prasanna Hegde from Vibgyor High Horomavu, BENGALURU

Subject :NSO Class : Class 3

Arpita observed the shape of the Moon every night. On 2^nd September she noted on the calendar : Day 1, New Moon. When is she most likely to observe Half Moon and Full Moon?

A8^th Sept. and 29^th Sept. respectively
B7^th Sept. and 28^th Sept. respectively
C15^th Sept. and 22^nd Sept. respectively
D8^th Sept. and 15^th Sept. respectively

D

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Ans 1:

Vidit Kishore from Johnson Grammar School, Hyderabad

Class : Class 4

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Anagha from DPS BANGALORE NORTH, Bengaluru

Subject :NSO Class : Class 3

The given picture shows the beak of a bird. Which of the following is most likely the food of this bird?

AFish
BGrains
CNectar
DNuts

it should be be Fish

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Ans 1:

Anagha from DPS BANGALORE NORTH, Bengaluru

Class : Class 3

Ans 2:

Aryaman Sinha from Hill Top School , Jamshedpur

Class : Class 3

Nectar

Ans 3:

Gaurika Bhasin from Genesis global school, Noida

Class : Class 2

Nectar or fish

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Jagadarsh Meda from Sri Vidyanjali, Hyderabad

Subject :NSO Class : Class 8

When we use biomass to generate electricity the conversion of energy is from ____.

AChemical to electrical energy
BKinetic to electrical energy
CNuclear to electrical energy
DMuscular to electrical energy

A is the answer

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