National Science Olympiad Forum By SOF Olympiad Trainer

Shridhar from G G International school, Pune

Subject :NSO Class : Class 3

Which of the following letters belongs to the given figure?

A
B
C
D

how the answer c

Ans 1:

SARTHAK.SHUKLA from Delhi Public School, Noida, Noida

Class : Class 3

The question has all mirror images...... So answer has to be a mirror image.

Ans 2:

Punita Ghosh from Billabong High International School, mumbai

Class : Class 5

c as it is facing opposite side

Ans 3:

nandini from father agnel school, Noida

Class : Class 7

option c is opposite like all the letters in the figure

Ans 4:

Ashwak from Cambridge, Jalandhar

Class : Class 8

Yes , the answer is C .

Ans 5:

Ashwak from Cambridge, Jalandhar

Class : Class 8

Ans 6:

nandini from father agnel school, Noida

Class : Class 7

becase in the figure all the letters seem to be in the opposite direction while options a b and d are not showing them in th opposite direction and option c is showing

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Ayush from Dps, Bengaluru

Subject :NSO Class : Class 3

Which of the following is not a temporary house?

(A) Kutcha house

(B) Tent

(C) Bungalow

(D) House boat

Ans 1:

Punita Ghosh from Billabong High International School, mumbai

Class : Class 5

C

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RUDRA.JIN DAL from DPS noida, Noida

Subject :NSO Class : Class 3

Column I	Column II
(A) Run on petrol or diesel or gas	(i) Bullock-cart
(b) Run by electricity	(ii) Tonga
(c) Driven by animals	(iii) Scooter
(d) Run by man power	(iv) Rickshaw
	(v) Metro rail
	(vi) Boat
	(vii) Motor cycle
	(viii) Bicycle

Match the following and select the correct option from the codes given below.

Column I Column II

(A) Run on petrol or diesel or gas (i) Bullock-cart

(b) Run by electricity (ii) Tonga

(c) Driven by animals (iii) Scooter

(d) Run by man power (iv) Rickshaw

(v) Metro rail

(vi) Boat

(vii) Motor cycle

(viii) Bicycle

(A) a - (vi), (vii); b - (vii); c - (i); d - (ii), (vi)

(B) a - (iii), (vii); b - (v); c - (ii); d - (i), (ii)

(C) a - (v), (vii); b - (vi); c - (ii); d - (vii), (viii)

(D) a - (iii), (vii); b - (v); c - (i), (ii); d - (iv), (vi), (viii)

v

Ans 1: (Master Answer)

Admin from revisewise, Noida

Class : Class 1

The correct answer is D.

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Gurkirat kaur from little flower SR. SEC. School, delhi

Subject :NSO Class : Class 7

Earthworm do which kind of respiration. a) Cutaneous respiration b) Pulmonary respiration c) Branchial respiration d) Tracheal respiration

Ans 1:

dhruv from Sri Aurobindo Memorial School, Bengaluru

Class : Class 9

cutaneous respiration

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Champ from Reliance Foundation School, Mumbai

Subject :NSO Class : Class 6

Which of the following is the missing number?

(A)
(B)
(C)
(D)

PLEASE EXPLAIN ME WHY THE ANSWER IS 'D'

Ans 1:

Souraj Saigovindh from Sri chaitanya Techno school, Tirupur

Class : Class 6

I need help on how to arrive this answer, please share the details

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robinbijo from Sri Sankara Senior Secondary High School, Chennai

Subject :NSO Class : Class 6

How does planting trees give us rain Is it by transpiration

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AKSHITA DIXIT from R K SARDA VIDYA MANDIR, RAIPUR

Subject :NSO Class : Class 6

In which of the following arrangements of electrical circuits will the bulbs be the brightest, assuming that all the bulbs and dry cells are identical?
(a)
(b)
(c)
(d)

Ans 1:

Rishit Verma from CMR NPS, Bengaluru

Class : Class 6

Answer is (c)

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AKSHITA DIXIT from R K SARDA VIDYA MANDIR, RAIPUR

Subject :NSO Class : Class 6

The shape of a shadow is formed when light shines on an object. Which of the following is correct for the changes in the shape of shadow?
(i) Position of the object.
(ii) Position of the source.
(iii) Distance between the object and the light source.
(iv) Brightness of the light source.
(a) (i) and (ii)
(b) (ii) only
(c) (iii) and (iv)
(d) All of these