National Science Olympiad Forum By SOF Olympiad Trainer

Trina Chakraborty from Korea International School, Bangalore

Subject :NSO Class : Class 4

After taking out the onions from the ground, the dried leaves from the top of them are cut by

(A) Illige

(B) Kurige

(C) Khunti

(D) None of these.

WHAT?

Ans 1:

Sarthak yadav from RPS, Mahendragarh

Class : Class 9

Ans 2:

Rishika Singh from Mount Litera Zee School, Bangalore

Class : Class 2

ans 2

Ans 3:

Sherlock Holmes from Baker Street, London

Class : Class 9

Illige is the correct answer. It is a kannada name for the instrument.

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SOURADEEP SHARMILA MANDAL from KENDRIYA VIDYALAYA IISC, Bengaluru

Subject :NSO Class : Class 4

Coal, petroleum and natural gas are fuels. Which of the following statements is false regarding these fuels?

A They are burnt to produce energy.
B They are found as solids and gases only.
C They release harmlful gases into the air when burnt.
D They are being used faster than they can be replaced.

they are burnt to produce energy and they are found as solids and gases also , which one shall I answer???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????!

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Ans 1: (Master Answer)

Admin from revisewise, Noida

Class : Class 1

The correct answer is B.

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Manoranjan Sahoo from st xavier , dhenknal

Subject :NSO Class : Class 4

Select a figure from amongst the four alternatives, which when placed in the blank space of Fig.(X) would complete the pattern.

(A)

(B)

(C)

(D)

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Ans 1: (Master Answer)

Admin from revisewise, Noida

Class : Class 1

The correct answer is D.

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Manoranjan Sahoo from st xavier , dhenknal

Subject :NSO Class : Class 4

Which of the following is/are INCORRECT about elephant herd?

(i) The elephant herd have only females and baby elephants.

(ii) The oldest male is the leader of the herd.

(iii) A herd may have 10-12 female elephants and young ones.

(iv) Baby elephants live in the herd till they are 1415 years old.

(A) (ii) & (iv)

(B) (i), (ii) & (iv)

(C) (iii) & (iv)

(D) (i) only.

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Ans 1:

Aarush from Podar, Mumbai

Class : Class 10

baby elephants cannot live till the age of 1415 and there are only female and babies in the herd so option a

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Arnav from DRDO KV School, banaglore

Subject :NSO Class : Class 4

Which of these feet would help hens in scratching the ground to dig out insects and worms.

A
B
C
D

what is difference in ans a and cwhy only c is correct

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Ans 1:

Soham Popat from Doon Public School, Bhuj

Class : Class 5

option c

Ans 2:

A Andrew from Lalaji Memorial Omega International School, Chennai

Class : Class 5

obviously option C

Ans 3:

Prisha from Podar International School Thane, Thane

Class : Class 5

OPTION C IS THE FOOT OF A HEN.

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A Andrew from Lalaji Memorial Omega International School, Chennai

Subject :NSO Class : Class 4

Select the odd one out.

A
B
C
D

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Ans 1:

Wilma Sequeira from podar international school, shivamogga

Class : Class 4

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A Andrew from Lalaji Memorial Omega International School, Chennai

Subject :NSO Class : Class 4

Read the given statements and select the correct option.
Statement 1 : Snake and crocodile are cold blooded animals.
Statement 2 : Snake and crocodile breathe through moist skin.

A Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1.
C Statement 1 is correct but statement 2 is incorrect.
D Both statements 1 and 2 are incorrect.

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Ans 1:

Parmanyu from Learning paths school, Mohali

Class : Class 5

How do snakes and crocodiles breathe then?

Ans 2:

RHETAMA DAS from Usha Martin school,Malda, MALDA

Class : Class 3

Through dry skin

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A Andrew from Lalaji Memorial Omega International School, Chennai

Subject :NSO Class : Class 4

Which of the following practices concerning plastics is not advisable?

A Plastic bags must be recycled properly.
BPlastic bags must not be used for storing eatables.
CHousehold waste should be thrown away in plastic bags.
DShopkeepers should be discouraged from using plastic bags.