National Science Olympiad Forum By SOF Olympiad Trainer - Page 185

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Sudeep from Coyote Creek, San Ramon

Subject :NSO Class : Class 1

Each of the following observations tells us what living things can do. Which of the following have been wrongly paired?

	Observations	Living things can
1.	A rabbit gives birth.	Grow
2.	A caterpillar turns into pupa and then into a butterfly.	Reproduce
3.	A bee flies from one flower to another.	Move
4.	A leaf withers and turns brown.	Die

A 1 only
B 1 and 2 only
C 1 and 4 only
D 1, 3 and 4 only

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Sudeep from Coyote Creek, San Ramon

Subject :NSO Class : Class 1

Look at the classification table below.

Which of the following options identifies X, Y and Z correctly?

	X	Y	Z
A	Orchid	Steel ruler	Plastic spoon
B	Seed	Paper cup	Wooden chair
C	Flour	Dolphin	Stone
D	Lizard	Wooden chair	Gold earrings

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Neelam from Nachiketa, Bhavnagar

Subject :NSO Class : Class 9

Match the column I with column II and select the correct option from the codes given below.

Column I	Column II
(A) g at height h	(i)
(B) g at depth h	(ii)
(C) g_poles	(iii)
(D) g	(iv) Maximum

A (A) - (i), (B) - (ii), (C) - (iii), (D) - (iv)
B (A) - (ii), (B) - (iii), (C) - (iv), (D) - (i)
C (A) - (i), (B) - (iii), (C) - (iv), (D) - (ii)
D (A) - (ii), (B) - (iv), (C) - (i), (D) - (iii)

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ABCDE from admin, Noida

Subject :NSO Class : Class 2

Which of the following figures will complete the given figure pattern?

A
B
C
DCan't say

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Ananya Ojha from Delhi Public School, Noida

Subject :NSO Class : Class 2

Select the option that will complete the word in the given statement. Our body has a framework of bones called S____E____E____O____ for support.

AW, D, N, L
BO, P, L, M
CK, L, T, N
DK, L, E, N

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Mohammad Ateeb Qaiser from DAV PUBLIC SCHOOL, WALMI COMPLEX, PHULWARI SHARIF , PATNA, patna

Subject :NSO Class : Class 1

Study the given diagram. Which alphabets best describe Sun and Moon respectively?

Af and d
Bd and f
Cg and e
Df and e

HOW A MOON GIVES LIGHT AT NIGHT? MOON REFLECTS THE LIGHT OF SUN AT NIGHT.

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Aadvik saini from Mvn sector 17, Faridabad

Subject :NSO Class : Class 7

Observe the given reaction carefully and fill in the blanks by choosing an appropriate option.

Fe_(s) + CuSO_4(aq) → FeSO_4(aq) + Cu_(s)
Before reaction, iron is (i) in colour and solution is (ii) in colour. After reaction iron gets (iii) deposits and the solution becomes (iv) in colour.

	(i)	(ii)	(iii)	(iv)
A	Grey	Colourless	Red	Blue
B	Red	Blue	Grey	Green
C	Grey	Blue	Brown	Green
D	Red	Colourless	Grey	Green

C is the answer

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Ans 1:

Aadvik saini from Mvn sector 17, Faridabad

Class : Class 8

C is the answer

Ans 2:

Sushil Kumar from dpsnoida, Noida

Class : Class 7

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Ans 3:

Sushil Kumar from dpsnoida, Noida

Class : Class 7

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AaradhyaPatel from Delhi Public School, Korba

Subject :NSO Class : Class 3

Milk is a complete food because it contains ________.

A Proteins
B Fats
C Vitamins and minerals
D All of these

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Ans 1:

Bhavinkumar Gosai from The New Tulip International School, Ahmedabad

Class : Class 4

Ans 2:

Bhavinkumar Gosai from The New Tulip International School, Ahmedabad

Class : Class 4

Ans 3:

Bhavinkumar Gosai from The New Tulip International School, Ahmedabad

Class : Class 4

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Aryan Choudhary from bhartividya bhavansh, vadodara

Subject :NSO Class : Class 9

A plane mirror approaches a stationary person with an acceleration, a. The acceleration of his image, as seen by the person, will be

Aa
B2a
Ca/2
D4a

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KRISHNARGHYA PRAMANIK from DELHI PUBLIC SCHOOL, MEGACITY, KOLKATA WEST BENGAL

Subject :NSO Class : Class 1

Ravi saw a plant in his garden which had beautiful flowers. When he tried to pluck a flower, his finger was pricked. The plant could be _______.
A Dahlia
B Jasmine
C Rose
D Marigold