National Science Olympiad Forum By SOF Olympiad Trainer

Aarush from Podar, Mumbai

Subject :NSO Class : Class 4

Refer the given conversation about simple machines.
Identify the INCORRECT option regarding P, Q and R.

AQ can be used to hold things.
BP can be axe or knife.
CR can be a ramp in hospitals.
DQ helps to move heavy objects.

can i have the answer of this one also

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Ans 1:

suresh kumar reddy Guddili from ,

Class : Class 4

A

Ans 2:

Parth from St Stephens School, Chandigarh

Class : Class 5

option D

Ans 3:

sai ramakrishna GUDIMETLA from AMM MATRICULATION HIGHER SECONDARY SCHOOL, Chennai

Class : Class 5

option B

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Aarush from Podar, Mumbai

Subject :NSO Class : Class 4

Given figure shows land breeze that blows at night.
Which of the following is INCORRECT regarding this?

ALand has higher air pressure than the sea.
BAir blows from high pressure area to low pressure area.
CHot air above sea rises into atmosphere.
DAs Sun sets, sea cools faster than land.

can i please have the answer of this above question

View All Answers (3)

Ans 1:

Prisha from Podar International School Thane, Thane

Class : Class 5

Option (D) because land cools faster than the sea.

Ans 2:

Pratham Jain from Clara Global School, Pune

Class : Class 4

c

Ans 3:

sai ramakrishna GUDIMETLA from AMM MATRICULATION HIGHER SECONDARY SCHOOL, Chennai

Class : Class 5

option D

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Aarush from Podar, Mumbai

Subject :NSO Class : Class 4

Which of the following actions illustrate Push and Pull respectively?

A

B

C

D

such an easy question .any o

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Ans 1:

kanishka from PIES, Abudhabi

Class : Class 5

B

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Subpotent Ermine from Sharada Mandir School, Goa

Subject :NSO Class : Class 6

Pointing to a photograph, a man said to a woman, "She is one of the sisters of the son of the only son of your grandfather." If the woman in the photograph is the sister of the son of the man's father-in-law, then how is the man related to the woman (with whom the man was talking)?

A Husband
B Brother
C Brother-in-law
D Either a or c

It should be husband

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Ans 1:

Shweta Garg from Vibgyor high, Vadodara

Class : Class 8

this is a wrong question (approved by NASA)

Ans 2:

Ishir Jha from Gyan Ganga Global Academy, Rosera

Class : Class 8

i think this is wrong

Ans 3:

Arav Gupta from St Stephens School, Chandigarh

Class : Class 4

yes

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Mohamed Raahil from NMEIS, Riyadh

Subject :NSO Class : Class 3

Which labelled part is seen only in adult plant and not in young ?

(A) P

(B) R

(C) Q

(D) S.

View All Answers (2)

Ans 1:

Devang Sharma from Modern school, Kota

Class : Class 8

flowers turn into fruit

Ans 2:

Sreenath from BLUEBELLS SCHOOL INTERNATIONAL, New Delhi

Class : Class 5

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Aditya Pradhan from SAI INTERNATIONAL SCHOOL, Bhubaneswar

Subject :NSO Class : Class 5

If you were a gardener, what would you plant to grow a new plant of potato ?

(A) Root

(B) Seed

(C) Leaf

(D) Tuber.

I have answered A but it is showing D

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Ans 1:

Karmanya Gupta from DPS, Udaipur

Class : Class 8

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Ammu from kkm, Trivandrum

Subject :NSO Class : Class 3

It is the hardest substance of our body. It is X.
It is soft and bears blood vessels and nerves. It is Y.
Which is true about X and Y?

AX is pulp and Y is dentine
BX is enamel and Y is pulp
CX is enamel and Y is dentine
DX is pulp and Y is enamel

check diagram pulp contains nerves and blood vesselsor in wikipedia or encyclopedia

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Ans 1:

Admin from Revisewise, Noida

Class : Class 3

The hardest substance found in our body is Enamel so X is Enamel. The pulp in our teeth is soft and bears blood vessels and nerves so Y is Pulp.

Ans 2:

Dr Indu V Raj from Nirmala Matha Central School Eastfort, Thrissur, Thrissur

Class : Class 3

Pulp cavity

Ans 3:

Admin from Revisewise, Noida

Class : Class 3

The hardest substance in our body is Enamel, so X is Enamel. The Pulp in our teethis soft and bears blood vessels and nerves, so Y is Pulp. Hence the answer is B.

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Ammu from kkm, Trivandrum

Subject :NSO Class : Class 3

If a city wants to improve the natural environment of a park, what is the best thing to do?

AConstruct a flower garden with park benches around it.
BPlant a variety of trees and shrubs that are native to the area.
CBuild swings, slides, and seesaws for small children.
DAll of these

I think construction of benches along with swings slides and seesaws is harmful to environment

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Ans 1:

Admin from Revisewise, Noida

Class : Class 3

Answer: B

there was a mistake in the answer, it has been corrected.

Solution:
Natural environment encompasses all living and non living things occurring naturally.

Ans 2:

Baban from dps, kolkata

Class : Class 1

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Ashley Sen from Chettinad Vidyashram, Chennai

Subject :NSO Class : Class 3

The process of obtaining and consuming food is called as

(A) Nutrition

(B) Digestion

(C) Fasting

(D) Brunch.

explain me please

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Ans 1:

Amitava Pushilal from International Schooling, Singapore

Class : Class 6

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Ashley Sen from Chettinad Vidyashram, Chennai

Subject :NSO Class : Class 3

Which of the following methods is incorrect to preserve food materials?

(A) Keeping the food at low temperature

(B) Keeping the food in airtight container

(C) Salting and sugaring

(D) Keeping it in water and high temperature.

how can it be

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Ans 1:

Amitava Pushilal from International Schooling, Singapore

Class : Class 6

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