National Science Olympiad Forum By SOF Olympiad Trainer

Aaditya Jain from Jaypee public school, Greater noida

Subject :NSO Class : Class 6

Do spawrows eat locusts

Ans 1:

Arsh from Lahs, Gwalior

Class : Class 3

no

Ans 2:

Arsh from Lahs, Gwalior

Class : Class 3

no

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Lokesh Sai Dasari from Rockwell International School, Hyderabad

Subject :NSO Class : Class 5

Abhishek set up different kinds of conditions on each of the four corners of a cardboard. He placed some woodlice in the centre of the cardboard and waited for twenty minutes. The result is shown in the diagram below.

Select the correct option regarding this.

A The aim of this experiment is to find out the conditions that woodlice preferred to live in.
B Woodlice like to live in dark and damp places.
C Woodlice like bright and dry places.
D Both A and B.

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Ans 1:

Cheshika batra from Our lady of Fatima convent school, Patiala

Class : Class 5

D

Ans 2:

Jyotsana from Deens Academy Gunjur, Bangalore

Class : Class 5

ans=D

Ans 3:

Sahishnu Jadhav from SSRVM, PUNE

Class : Class 8

ANS-D because woodlice prefer to live in dark and damp places and the experiment was used to find out where do woodlice prefer to live

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Harrihara Sudan V from Swargarani, Bengaluru

Subject :NSO Class : Class 4

Study the given classification chart of animals carefully and identify the animals (a-d).

	a	b	c	d
A	Penguin	Crocodile	Sparrow	Cow
B	Shark	Frog	Snake	Dog
C	Frog	Tadpole	Lizard	Cat
D	Whale	Frog	Pigeon	Horse

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Ans 1:

vighneshwar from study hall, Lucknow

Class : Class 5

B

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Advait Malwade from Sssdp, Pune

Subject :NSO Class : Class 7

The given figure shows a setup at the start of an experiment (X) and after a few days (Y). The change observed in setup Y is due to

A Upward movement of food getting blocked
B Downward movement of food getting blocked
C Upward movement of water getting blocked
D Downward movement of water getting blocked.

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Yashashree Somdatta Kulkarni from Delhi Public School, Nashik

Subject :NSO Class : Class 5

Which of these would not be an effect of excessive rainfall?

A Destruction of crops leading to shortage of food.
B Water-borne diseases like jaundice and cholera.
C Drought resulting in famine.
D Communication and transportation gets affected.

View All Answers (4)

Ans 1:

Cheshika batra from Our lady of Fatima convent school, Patiala

Class : Class 5

A

Ans 2:

Cheshika batra from Our lady of Fatima convent school, Patiala

Class : Class 5

A and B

Ans 3:

Anjisha Chakraborty from Mount Litera Zee School, Jabalpur

Class : Class 5

Answer C as drought will not happen if there is excessive rainfall and the question is which will NOT happen

Ans 4:

Cheshika batra from Our lady of Fatima convent school, Patiala

Class : Class 5

A

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Brinda from DPS Noida, Noida

Subject :NSO Class : Class 5

Which property of air makes drinking through straw possible?

A Air has mass.
B Air occupies space.
C Air exerts pressure.
D Air can be compressed.

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Ans 1:

Cheshika batra from Our lady of Fatima convent school, Patiala

Class : Class 5

C

Ans 2:

samanvay sinha from School of India, Bangalore, bengaluru

Class : Class 5

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Chandreyee from BGKV, Kolkata

Subject :NSO Class : Class 10

A wire of resistance 4 Ω is used to wind a coil of radius 7 cm. The wire has a diameter of 1.4 mm and the specific resistance of its material is 2 × 10^-7 Ω m. The number of turns in the coil is

A 50
B 40
C 60
D 70

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Shayan Bari from Kendriya Vidyalaya, Katihar

Subject :NSO Class : Class 6

X and Y are two 12 years old girls having physically active and sedentary life styles respectively. Considering their lifestyles, select a suitable lunch meal for each of them from the given boxes.

AX-(iii), Y-(i)
BX-(ii), Y-(i)
CX-(ii), Y-(iv)
DX-(i), Y-(iv)

Where are the lifestyles of X and Y?

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Ans 1:

Dushyant Singh from Shree Ram Centenial School, Indore

Class : Class 9

Ans 2:

Doofal from Sanskriti School, Delhi

Class : Class 6

a

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Shivangi singh from Dps greater Noida, Greater Noida

Subject :NSO Class : Class 3

Vedant wants to heat object Q but without putting it on the stove directly. He set-up an experiment as shown here. The object P should be made of which of the following materials so that object Q can be heated?

AWood
BRubber
CIron
DPlastic

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Ans 1:

ANSHUL GAJJAR from PODAR INTERNATIONAL SCHOOL, AHMEDABAD

Class : Class 3

C

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Sounak halder from Kendriya Vidyalaya Cossipore, kolkata

Subject :NSO Class : Class 8

Which of the following statements is incorrect?

A The lithosphere floats on the mantle.
B Earthquakes occur along the boundaries of tectonic plates.
C The tectonic plates meet at fault lines.
D Earth’s crust is made up of molten rocks.

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Ans 1:

Advika Singh from The Tribhuvan School, Patna

Class : Class 8

The fudge?!

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