National Science Olympiad Forum By SOF Olympiad Trainer

Aditya Jain from Delhi Public School Bilaspur , Bilaspur

Subject :NSO Class : Class 4

The given graph shows the amount of changes in the number of fish in a water body in a year. Select the INCORRECT option regarding this.

AAt time P, some factory was established near the water body that discharged its used water in it.
BAt time Q, the factory was relocated to some other part, away from the water body.
CAt time R, large amount of oil was accidentally spilled into the water body.
DAt time S, a new factory was established near the water body.

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Ans 1:

sss from ppp, dd

Class : Class 1

Ans 2:

Aaradhya from Ryan International Academy Hinjewadi, Pune

Class : Class 4

Ans 3:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

Answer is D.

Ans 4:

chiradeep from vydehi school of excelence , bengalore

Class : Class 4

Ans 5:

Aditya Jain from Delhi Public School Bilaspur , Bilaspur

Class : Class 5

Ans 6:

Aaradhya from Ryan International Academy Hinjewadi, Pune

Class : Class 4

Ans 7:

Ehsaas Gupta from DPS DUBAI, Dubai

Class : Class 4

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Aditya Jain from Delhi Public School Bilaspur , Bilaspur

Subject :NSO Class : Class 4

There are _________ number of cubes in the given figure.

A8
B10
C12
D15

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Ans 1:

Neelam Sharma from DAV CPS MANDI , MANDI HP

Class : Class 4

Ans 2:

samridhi from NOTREDAME ACADEMY PATNA, PATNA

Class : Class 4

Ans 3:

chiradeep from vydehi school of excelence , bengalore

Class : Class 4

Ans 4:

Mayurakshi from SFS NARENGI Guwahati, Guwahati

Class : Class 4

Samridhi is wrong❌

Ans 5:

Aditi Sindge from Podar International school , Latur413512

Class : Class 4

8 Cubes are in image mayurakshi why you are saying wrong to samridhi

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Saahanya from BVRTSE, Pune

Subject :NSO Class : Class 4

In a certain code language, if BOARD is written as $3%#6 and ROPE is written as #35@, then PEAR
will be written as ______.

A5%6#
B5^%#
C#6%5
D5@%#

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Ans 1:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

The answer is D.

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Sreyas from Don Bosco, Park Circus, Kolkata

Subject :NSO Class : Class 4

Name two powerful conductors of electricity.

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Adrija Majumder from Kendriya vidyalaya COSSIPORE, Kolkata

Subject :NSO Class : Class 4

Sonia placed 5 gm each of food items P, Q, R and S in digestive juices X and Y for 3 hours. After 3 hours, she recorded the amount of undigested food in each setup as shown in the figures.
If digestive juice X is from saliva and Y is from stomach, then which food item is rich in (i) carbohydrates and (ii) proteins?

(i)----(ii)

AP---S
BQ---R
CS---P
DR---Q

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Ans 1:

Overtaker from Blore, Blore

Class : Class 4

D

Ans 2:

suhana priyadarsini nayak from Orchid international school , Bengaluru

Class : Class 6

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Shourya from Euro, Bangalore

Subject :NSO Class : Class 4

The sweet milk is a ________ of sugar in milk. The sugar is called the ______. The milk that dissolves the sugar is called the ________. Select the correct sequence of words to complete the above passage.

ASolution, Solvent, Solute
BSolution, Solute, Solvent
CSolute, Solvent, Solution
DSolvent, Solute, Solution

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Ans 1:

SUPRABHO DUTTA from PODAR INTERNATIONAL SCHOOL , GANDHINAGAR

Class : Class 4

d

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Shourya from Euro, Bangalore

Subject :NSO Class : Class 4

Which statement is INCORRECT for sandy soil?

AIt has large particles with lots of spaces between them.
BIt cannot hold much water.
CIt is good for plant growth.
DIt is very rough to touch and contains sand.

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Ans 1:

B Sahanaa from Velammal Vidyalaya Avadi, Chennai

Class : Class 3

C

Ans 2:

PAANINIDHEE CHATURVEDI from Delhi Public School, Noida

Class : Class 4

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Shivas Gupta from DPS Pune, Pune

Subject :NSO Class : Class 4

Study the given Venn diagram.

Which letters (P-T) represent Venus and Uranus?

	Venus	Uranus
A	Q	R
B	T	S
C	P	R
D	R	S

the options given are incorrect

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Ans 1:

Krit Sinha from DPS, Bengaluru

Class : Class 4

Ans 2:

Tanisha Patri from NPS whitefield, Bangalore

Class : Class 7

Ans 3:

RAGHAV VARSHNEY from CITY MONTESSORI SCHOOL GOMTINAGAR LUCKNOW, Lucknow

Class : Class 7

Ans 4:

Ayushmaan Nautiyal from MVN, Faridabad

Class : Class 5

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Ryan from YBIS , SINGAPORE

Subject :NSO Class : Class 4

Which of the following is NOT an excretory organ?

ALungs
BSkin
CKidney
DHeart

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Ans 1:

Araina from JPIS, Jaipur

Class : Class 4

skin

Ans 2:

PAANINIDHEE CHATURVEDI from Delhi Public School, Noida

Class : Class 4

Ans 3:

Shourya from Euro, Bangalore

Class : Class 7

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Ryan from YBIS , SINGAPORE

Subject :NSO Class : Class 4

Read the statements made by three friends.

Nidhi : The bird P is omnivorous.
Rohit : The bird Q eats small insects and seeds.
Sandhya: The bird R sucks nectar from the flowers.
Select the correct option with respect to the statements made by Nidhi, Rohit and Sandhya

AStatements made by Rohit and Sandhya are true whereas that made by Nidhi is false.
BStatement made by Rohit is true whereas that made by Sandhya is false.
CStatements made by Nidhi and Rohit are true.
DStatements made by Nidhi and Sandhya are false.

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Ans 1:

B Sahanaa from Velammal Vidyalaya Avadi, Chennai

Class : Class 3

A

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