National Science Olympiad Forum By SOF Olympiad Trainer

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:

PAANINIDHEE CHATURVEDI from Delhi Public School, Noida

Class : Class 4

Ans 2:

B Sahanaa from Velammal Vidyalaya Avadi, Chennai

Class : Class 3

C

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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:

Tanisha Patri from NPS whitefield, Bangalore

Class : Class 7

Ans 2:

Krit Sinha from DPS, Bengaluru

Class : Class 4

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:

Shourya from Euro, Bangalore

Class : Class 7

Ans 2:

PAANINIDHEE CHATURVEDI from Delhi Public School, Noida

Class : Class 4

Ans 3:

Araina from JPIS, Jaipur

Class : Class 4

skin

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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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Harshit from Montfort , Delhi

Subject :NSO Class : Class 4

________ is the organ where absorption of water from undigested food occurs.

A
B
C
D

it should be c not d

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Ans 1:

B Sahanaa from Velammal Vidyalaya Avadi, Chennai

Class : Class 3

D

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Ryan from YBIS , SINGAPORE

Subject :NSO Class : Class 4

Which of the following options will complete the pattern in Fig. (X)?

A

B

C

D

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Ryan from YBIS , SINGAPORE

Subject :NSO Class : Class 4

Which of the following statements is/are INCORRECT?
1. Phiran is the traditional dress of Kashmir.
2. Rose leaves are kept in folds of woollen clothes to protect them from damage by silver fish.
3. Light coloured clothes absorb more heat than dark coloured clothes.

A2 only
B2 and 3 only
C1 and 2 only
D1, 2 and 3

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Ryan from YBIS , SINGAPORE

Subject :NSO Class : Class 4

The following graphs show the level of water pollution in a particular area. Which graph depicts that chemical factories have increased in this area over time?

A
B
C
D