National Science Olympiad Forum By SOF Olympiad Trainer

sandeep mittal from HAL PUBLIC SCHOOL, BANGALORE

Subject :NSO Class : Class 4

X is one kind of permanent teeth which helps to crush the food. Select the option that gives name of X on unscrambling.

A ROMEPALR
B SINORCI
C NENCIA
D AOLRM

Ans 1:

Dyutimaan Nikam from lions english school, silvassa

Class : Class 4

Ans 2:

Savya Sanjay Agarwal from Don Bosco High School, Naigaon East

Class : Class 4

Ans 3:

Aarnav Grover from Anand Niketan Shilaj, Ahmedabad

Class : Class 9

answer is A

Ans 4:

Dyutimaan Nikam from lions english school, silvassa

Class : Class 4

Ans a because C is for tearing food D for grinding and B are not permanant

Ans 5:

aayushi anand from AIR FORCE SCHOOL HASIMARA, HASIMARA

Class : Class 4

A

Ans 6:

Ibrahim Aslam from uttam, Ghaziabad

Class : Class 5

A is correct answer!

Ans 7:

Ibrahim Aslam from uttam, Ghaziabad

Class : Class 5

How can a be the Ans?

Post Your Answer

bswarajya from Mount Litera Zee School, Bengaluru

Subject :NSO Class : Class 4

Dehydration is a method of preserving food by ?

Ans 1:

bswarajya from Mount Litera Zee School, Bengaluru

Class : Class 5

Drying

Post Your Answer

SOUMI PAL from DELHI PUBLIC SCHOOL, DURG

Subject :NSO Class : Class 4

________ hatches cut from the egg in the life cycle of the animal shown here.

A Maggot
B Nymph
C Larva
D Tadpole

Ans 1:

aayushi anand from AIR FORCE SCHOOL HASIMARA, HASIMARA

Class : Class 4

B

Ans 2:

bswarajya from Mount Litera Zee School, Bengaluru

Class : Class 5

B-nymph

Ans 3:

Suhana Kedia from Griffin's international school, Kharagpur

Class : Class 5

Then what is maggot ? I get confused in maggots and nymphs

Ans 4:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore

Class : Class 8

Yes answer is BCheck solution

Ans 5: (Master Answer)

Admin from revisewise, Noida

Class : Class 1

Ans 6:

Vaibhabi Debbarma from HOLY CROSS SCHOOL AGARTALA, AGARTALA

Class : Class 6

Class:4B

Ans 7:

Mohhika Sharma from Delhi Public School Greater Noida, Greater Noida

Class : Class 7

Ashmi and Aayushi, I agree, the correct answer is option 'B'- Nymph.

Ans 8:

Siddhi from The Shriram Mellinium School, gurgaon

Class : Class 4

B

Ans 9:

Aarya Ranjan from Chrysalis High Varthur, bangalore

Class : Class 5

it is b

Post Your Answer

Ayush from Dps, Bengaluru

Subject :NSO Class : Class 4

Which of the following will NOT cause environmental pollution?

AUsing fossils like coal, diesel and petrol more than CNG.
BDischarging wastes only into oceans and not into rivers or ponds.
CUsing less biodegradable materials than non-biodegradable materials.
DReducing the usage of chemical fertilizers and pesticides.

View All Answers (3)

Ans 1:

Ayush from Dps, Bengaluru

Class : Class 3

Ans 2:

aayushi anand from AIR FORCE SCHOOL HASIMARA, HASIMARA

Class : Class 4

D

Ans 3:

Ayush from Dps, Bengaluru

Class : Class 3

Submit Your Answers

Post Your Answer

ishit from EUROSCHOOL THANE, THANE WEST

Subject :NSO Class : Class 4

Which of the given figures, represents a state of matter, that has a definite volume but no definite shape?

AP
BQ
CR
DBoth Q and R

View All Answers (7)

Ans 1:

Deveshi Sachdev from venkateshwar international school, New Delhi

Class : Class 6

the answer is B

Ans 2:

Deveshi Sachdev from venkateshwar international school, New Delhi

Class : Class 6

it is b

Ans 3:

aayushi anand from AIR FORCE SCHOOL HASIMARA, HASIMARA

Class : Class 4

D

Ans 4:

ishit from EUROSCHOOL THANE, THANE WEST

Class : Class 7

Can you tell the answer to this question please please!!!!!!!!

Ans 5:

Durjoy Datta from Venkateshwar International School, Sector 10, Dwarka, New Delhi

Class : Class 5

It's not D its B. Q is a liquid which has no definite shape but has definite volume. Hence, Option b is correct

Ans 6:

aayushi anand from AIR FORCE SCHOOL HASIMARA, HASIMARA

Class : Class 4

D

Ans 7:

Crystal Zadfiya from Kameshwar International School, Gandhinagar

Class : Class 4

happy test

Submit Your Answers

Post Your Answer

Ayush from Dps, Bengaluru

Subject :NSO Class : Class 4

Shruti tool two similar bowls containing equal amount of water and sand. She placed both bowls in the sun for 2-3 hours. After 2-3 hours she placed both bowls inside the room for 2-3 hours.
Which of the following results she will observe from the given activity?

A Sand heats up faster than the water when kept in the sun and cools up slower than the water when placed inside the room.
B Water heats up faster than the sand when kept in the sun.
C Sand heats up faster than the water when kept in the sun and also cools faster than the water when placed inside the room.
D Water cools down faster than the sand when kept inside the room.

View All Answers (3)

Ans 1:

Mishka Kankaria from SVKM J V Parekh International School, Mumbai

Class : Class 4

took not tool

Ans 2:

AadhiraKarthikumar from Shaanthischoolpollachi, Coimbatore

Class : Class 5

Ans 3:

Aadya Kawale from Podar International ICSE , Dombivli East

Class : Class 4

Submit Your Answers

Post Your Answer

Ajoy Bhuyan from DELHI PUBLIC SCHOOL, Bongaigaon

Subject :NSO Class : Class 4

Given statements show different steps involved in digestion of food. Select the option showing correct sequence of different steps.
a. The digestive juices break down the food into simpler substances.
b. Remaining water is absorbed.
c. Food is chewed and mixed with saliva.
d. Most nutrients are absorbed into the blood.

A c → b → a → d
B c → a → d → b
C a → c → d → b
D a → b → c → d

View All Answers (1)

Ans 1:

Gunnit Kant from DPS, Nerul, Navi Mumbai

Class : Class 5

the correct answer is B

Submit Your Answers

Post Your Answer

DEVANG Gupta from B K birla school kalyan, Kalyan

Subject :NSO Class : Class 4

Which is the INCORRECT statement for the given figure?

A Sea breeze blows from sea to land during the day.
B During day, land gets heated faster than the sea.
C Warm air above the sea rises up, and cooler air from land rushes to the sea.
D Both A and B

View All Answers (2)

Ans 1:

NAMISH AGRAWAL from KV calicut, calicut

Class : Class 4

answer is d

Ans 2:

Sreejani Bhaduri from National Public School, Bangalore

Class : Class 10

Submit Your Answers

Post Your Answer

Manav from TFS Gunjur, Bengaluru

Subject :NSO Class : Class 4

The given diagram shows the positions of water plants P, Q, R and S in a pond. Four pupils Vikas, Shilpi, Beena and Rahul were asked to identify the positions of four plants, viz. water hyacinth, Hydrilla, coontail and water lily in the pond.
Which of these pupils has identified the positions of all given water plants correctly?

		Position of plant in the pond
	Pupil	Water hyacinth	Hydrilla	Coontail	Water lily
A	Vikas	P	Q	R	S
B	Shilpi	S	P	Q	R
C	Beena	P	S	Q	R
D	Rahul	Q	P	S	R

View All Answers (2)

Ans 1:

Fazil Farooquee from The Aditya Birla Public School, Baloda Bazaar

Class : Class 4

C

Ans 2:

vivaan sethi from GD goenka public school, Delhi

Class : Class 4

am

Submit Your Answers

Post Your Answer

Aksh Tyagi from DPS East Bangalore, Bangalore

Subject :NSO Class : Class 4

Select the odd one out.

A Cockroach
B Grasshopper
C Butterfly
D House cricket

ooh yay

View All Answers (10)

Ans 1:

Reyansh Raut from New Horizon Gurukul, Bangalore

Class : Class 5

Butterfly is made of butter that it is why it is odd

Ans 2:

Dhaivat Bhatti from KES SMVM School , MUMBAI

Class : Class 9

How is butterfly odd

Ans 3:

Yatindra G from SBOA, Chennai

Class : Class 4

what is a HOUSE CRICKET?!!

Ans 4:

Aadya Kawale from Podar International ICSE , Dombivli East

Class : Class 4

Butterfly has4 stages in life cycle and rest have 3.

Ans 5:

Madhav from Kendriya Vidyalaya Ernakulam, Ernakulam

Class : Class 8

This is based on life cycle of insects. Only butterfly in the given group of insects have 4 stage life cycle (complete cycle). Others have only incomplete life cycle (3 stages)

Ans 6:

Ibrahim Aslam from uttam, Ghaziabad

Class : Class 5

ðhow can grasshopper fly?

Ans 7:

RUNAV SHAH from Witty International High School, MUMBAI

Class : Class 5

All the three except cockroches feeds on plants

Ans 8:

SAGNIK from Delhi public school, ruby park, kolkata

Class : Class 5

WHAT IS HOUSE CRICKET?

Ans 9:

SRISANTH from Edify, Tirupathi

Class : Class 5

I think they mean that butterfly has four wings

Ans 10:

Jayanth from The Deens Academy, Bengaluru

Class : Class 4

It is B cause grasshoppers canât fly

User Forum

Ans 1:

Ans 2:

Ans 3:

Ans 4:

Ans 5:

Ans 6:

Ans 7:

Ans 1:

Ans 1:

Ans 2:

Ans 3:

Ans 4:

Ans 5: (Master Answer)

Ans 6:

Ans 7:

Ans 8:

Ans 9:

Ans 1:

Ans 2:

Ans 3:

Ans 1:

Ans 2:

Ans 3:

Ans 4:

Ans 5:

Ans 6:

Ans 7:

Ans 1:

Ans 2:

Ans 3:

Ans 1:

Ans 1:

Ans 2:

Ans 1:

Ans 2:

Ans 1:

Ans 2:

Ans 3:

Ans 4:

Ans 5:

Ans 6:

Ans 7:

Ans 8:

Ans 9:

Ans 10:

Related Links