National Science Olympiad Forum By SOF Olympiad Trainer

Tanvi from Tanvi, Ranchi

Subject :NSO Class : Class 6

Find the missing number if a certain rule is followed either row wise or column wise 42 28 38 28 35 23 39 ? 37 A.7 B.21 C.14 D.18

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Sof Team from Sof Olympiad Trainer Helpdesk, Bangalore

Subject :NSO Class : Class 7

Refer to the given figure. It illustrates

A Autotrophic nutrition
B Saprotrophic nutrition
C Parasitic nutrition
D Symbiotic nutrition.

pls give answer

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NP from DP, Hyderabad

Subject :NSO Class : Class 2

Refer to what Meeta is saying. Which sense organ has she used for that?

A
B
C
D

Ans 1:

NP from DP, Hyderabad

Class : Class 4

Ans 2:

Anshumaan Jha from DPS MEGACITY, KOLKATA, Kolkata

Class : Class 10

ans :c eye

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Vedangi from Ira international School, Butibori, Nagpur

Subject :NSO Class : Class 8

The diagram shows an observer viewing an object placed in front of a mirror. When the cardboard is removed vertically upwards, which points will be seen first and last by the observer?

Seen first ------ Seen last

Ans 1:

Anush Pattanayak from Bhiwani public school, Bhiwani

Class : Class 8

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Vedangi from Ira international School, Butibori, Nagpur

Subject :NSO Class : Class 8

The following numbers are coded as follows :

Following conditions are also to be observed :
(i) If first digit is even and the last digit is odd, then they are to be coded as $ and @ respectively.
(ii) If first digit is odd and the last digit is even, then they are to be coded as # and £ respectively.
(iii) If zero is preceded and followed by an odd digit, then zero is to be coded as *.
(iv) If zero is preceded and followed by an even digit, then zero is to be coded as ↑.
(v) Zero is not to be considered as even or odd.
How will the number 1370496 be coded?

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manya murali from sri sankara senior secondry school, CHENNAI

Subject :NSO Class : Class 8

Read the following statements and select the most appropriate answer.
Statement 1 : A plane mirror produces virtual, erect image for any position of the object.
Statement 2 : Plane mirror has finite focal length.

ABoth statements 1 and 2 are true and statement 2 is correct explanation for statement 1.
BBoth statements 1 and 2 are true but statement 2 is not a correct explanation for statement 1.
CStatement 1 is true and statement 2 is false.
DStatement 1 is false and statement 2 is true.

Dosent Plane mirror have Infinite focal points?