National Science Olympiad Forum By SOF Olympiad Trainer

V. Saideekshith from GIIS, Singapore

Subject :NSO Class : Class 7

In the graph, O to C represents a moving body. Which of the following is correct for the motion along BC ?

A Forward with uniform velocity.
B Backward with non-uniform velocity.
C Backward with uniform velocity.
D Forward with non-uniform velocity.

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Ans 1:

Harsh yadav from YSN yaduvancy , Narnaul

Class : Class 9

D

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PRADYUMNA OMPRAKASH GONDULE from DPS BHILAI, Bhilai

Subject :NSO Class : Class 4

Read the given conversation with respect to the parts of digestive system and identify 'X' and 'Y'.

A'X' is gall bladder and 'Y' is small intestine.
B'X' is pancreas and 'Y' is stomach.
C'X' is liver and 'Y' is pancreas.
D'X' is liver and 'Y' is stomach.

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Ans 1:

hemil ketan chavda from ABPS, VERAVAL

Class : Class 5

A is true option

Ans 2:

Srijata Biswas from Adamas International School, Kolkata

Class : Class 7

[D] 'X' IS LIVER AND 'Y' IS STOMACH.

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ATHARV PRASAD from Delhi Public School , Noida

Subject :NSO Class : Class 3

The given figure shows a stage in the life cycle of an

organism. Which of the following shows the organism

in its next stage of development?

(A) A-48.eps

(B) A-49.eps

(C) A-52.eps

(D) A-1.eps

It was easy but I did the correct answer and you said it was wrong. A catterpillar does not become a butterfly in just one shot first it becomes a another type of catterpillar

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Ans 1:

from ,

Class :

The answer is c. The image shows a Pupa which further develops into an adult butterfly.

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Tanmayi from Standrews School, Hyderabad

Subject :NSO Class : Class 3

(a) 12
(b) 6
(c) 18
(d) 10

silly

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Ans 1:

from ,

Class :

Answer is B ; 6 18-12=6

Ans 2:

Shruti Suravarapu from Hyderabad Public School, Hyderabad

Class : Class 3

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Chanpartap from The British Co Ed High School , Patiala

Subject :NSO Class : Class 5

The given diagram shows two plants X and Y. Select the correct option regarding the difference between the two.

(A) Plant X can make its own food and plant Y can partly make its own food.

(B) Plant X cannot make its own food but plant Y can make its own food.

(C) Plant X depends partly on animals for food but can also make its own food while plant Y cannot make its own food.

(D) Plant X cannot make its own food while plant Y depends on decaying matter for food and can also make its own food.

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sunita from synergy national school , ambejogai

Subject :NSO Class : Class 4

What fraction of the figure is shaded?

(A) 2/5

(B) 1/2

(C) 5/6

(D) 1/3

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Ans 1: (Master Answer)

Admin from revisewise, Noida

Class : Class 1

The correct answer is B.

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ramesh datta from DPS dwarka , New Delhi

Subject :NSO Class : Class 6

A plane mirror is placed vertically facing due north. a An arrow pointing north east is kept in front of the mirror. In which direction will the arrow point in the image? A. North east B. South west C. South east D. North west It is said the answer is C. But how?

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Ans 1:

Indu Patel from Parth institute , Vadodara

Class : Class 10

Sorry South east

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Adish Gupta from Podar international school , Mumbai

Subject :NSO Class : Class 5

Which of the following is/are not the function(s) of the part labelled as X in the given figure ?

(i) To absorb water from the soil.
(ii) To transport food to all parts of the plant.
(iii) To transport water to all parts of the plant.
(iv) To hold the plant upright to receive sunlight.

A (i) only
B (iv) only
C (i) and (ii)
D (ii), (iii) and (iv)