National Science Olympiad Forum By SOF Olympiad Trainer - Page 229

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AARAV AGRAWAL from BIRLA DIVYA JYOTI, SILIGURI

Subject :NSO Class : Class 5

Molecules in _________ are tightly packed

ACNG
BMilk
CBook
DPetrol

CNG can also be the answer

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Rishon Chandy from KV IIT Powai, Mumbai

Subject :NSO Class : Class 4

Which solid will dissolve fastest?

A
B
C
D

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AADYA TANDON from DPS NOIDA SEC-30, Noida

Subject :NSO Class : Class 3

Water flows from _____.

ALower place to higher place
BOceans to mountains
CHigher place to lower place
DAll of these

Higher to lower eg. waterfall

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yathaarth from greenwood high, bangalore

Subject :NSO Class : Class 5

The given graph shows temperature changes in a beaker of water. Select the incorrect option regarding it.

AAt point P, the beaker was in refrigerator.
BAt point Q, the beaker was put on fire to be heated.
CAt point R, the water in the beaker changed its phase from solid to liquid.
DIf heating is continued further after point S, gradually there will be no water left in the beaker.

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AARNA GARG from bethany high school, Bangalore

Subject :NSO Class : Class 3

Aman likes to eat junk food everyday. He should avoid eating such food everyday because ________.

AThis will eventually lead to health problems
BSuch food contains unwanted fats
CSuch food is a rich source of protein
DBoth A and B

ans:d

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Shivesht Sharma from DPS RK PURAM , Delhi

Subject :NSO Class : Class 9

Three persons P, Q and R are standing in a queue. There are five persons between P and Q and eight other persons between Q and R. If there are only three persons ahead of R and 21 persons behind P, what could be the minimum number of persons in the queue?

A40
B43
C47
D482

pls tell the answer

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Ans 1:

Rudreshwar Gadhari from SSRVM, Mumbai

Class : Class 9

21 1 5 1 8 1 3=40

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Kiaan from dpsnoida, Noida

Subject :NSO Class : Class 1

is an example of ______.

AGrains
BFruits
CCereals
DPulses

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Geetika Ramesh from DPS East, Bangalore

Subject :NSO Class : Class 1

Unscramble the given groups of letters and select the option that gives the name of home of the animal shown in picture.

A H E D S
B I V E H
C E N D
D E S N T