National Science Olympiad Forum By SOF Olympiad Trainer

Muhammad Hussaini from Iqbal Memorial Institute Boys, Srinagar

Subject :NSO Class : Class 7

Tell me that what does the pulmonary artery do ?

Ans 1:

thechampiondaksh from K R Mangalam World School, New Delhi

Class : Class 8

pulmonary artery takes the de-oxygenated blood from the heart and transports it to the lungs for purification

Ans 2:

thechampiondaksh from K R Mangalam World School, New Delhi

Class : Class 8

pulmonary artery takes the de-oxygenated blood from the heart and transports it to the lungs for purification

Ans 3:

thechampiondaksh from K R Mangalam World School, New Delhi

Class : Class 8

pulmonary artery takes the de-oxygenated blood from the heart and transports it to the lungs for purification

Ans 4:

Bibhu Kalyan Sahoo from ALLEN , KOTA

Class : Class 9

It is the artery carrying blood from the right ventricle of the heart to the lungs for oxygenation.

Ans 5:

thechampiondaksh from K R Mangalam World School, New Delhi

Class : Class 8

pulmonary artery takes the de-oxygenated blood from the heart and transports it to the lungs for purification

Post Your Answer

Gargi Singh from CRPF Public School Dwarka, New Delhi

Subject :NSO Class : Class 3

Refer the given figure showing changes in flag's shadow during the day. Shadows P, Q and R represent different times of the day. At what time would Preeti like to have ____.

(i) Breakfast (ii) Evening snacks

(A) (i) - R, (ii) - Q

(B) (i) - P, (ii) - Q

(C) (i) - R, (ii) - P

(D) (i) - P, (ii) - R
how

Ans 1:

Iffat from St Paul,s School, New Delhi

Class : Class 3

completely wrong question

Ans 2:

Aditya Utpat from Global Indian International School, Pune

Class : Class 5

(D) (i) - P,(ii)-R

Ans 3:

sanjana from NARAYANA E TECHNO , Chennai

Class : Class 8

co

Ans 4:

sanjana from NARAYANA E TECHNO , Chennai

Class : Class 8

very easy

Post Your Answer

Anantha Narayanan M S from NPS Goaplapuram Chennai, Chennai

Subject :NSO Class : Class 6

Aditya was testing a food sample X as shown in the given figure. Which of the following statements is correct regarding this?

(A) X can be boiled egg if the sample turned blue-black.

(B) X can be raw meat if the sample did not change colour.

(C) X can be raw potato slices if the sample turned blue-black.

(D) Both (B) and (C)

Ans 1:

Akshat Iyer from Sri Kumaran Children's Home, Bengaluru

Class : Class 7

x can be either (B) or (C)

Post Your Answer

Anantha Narayanan M S from NPS Goaplapuram Chennai, Chennai

Subject :NSO Class : Class 6

Which of the following is an incorrect match of the articles and the fibres used in their production?

(A) Mountain climbing ropes - Nylon

(B) Blankets - Wool

(C) Banknotes and high quality paper - Cotton

(D) None of these

Ans 1:

Ujan Anam from Don Bosco Senior Secondary School, Nerul , Navi Mumbai

Class : Class 6

8aZKpr http://www.LnAJ7K8QSpfMO2wQ8gO.com

Ans 2:

Shomili from Global Indian International School, Singapore

Class : Class 9

Every weekend i used to pay a quick visit this web page, as i want enjoyment, for the reason that this this website conations truly fastidious funny data too. http://www.dealhint.eu

Post Your Answer

Anantha Narayanan M S from NPS Goaplapuram Chennai, Chennai

Subject :NSO Class : Class 6

Animals that undergo hibernation in winters get energy by utilizing _____ stored in their bodies.

(A) Fats

(B) Carbohydrates

(C) Proteins

(D) Both (A) and (B)

Ans 1:

Amrik Pal from Kendriya Vidyalaya DRDO, Bangalore

Class : Class 6

a option

Ans 2:

Chinmayi S Manoj from Global public school, Kochi

Class : Class 7

(A) fats

Post Your Answer

Anantha Narayanan M S from NPS Goaplapuram Chennai, Chennai

Subject :NSO Class : Class 6

Refer the given figure of a typical flowering plant and select the option that correctly fills the blank in following statement. We may not be able to see new plants of the same type if the part labelled ______ is removed.\

(A) W

(B) X

(C) Y

(D) Z

View All Answers (1)

Ans 1:

ankana pari from Bk T P P Prabi Sengupta High School, Suri Birbhum

Class : Class 6

It is part W.

Submit Your Answers

Post Your Answer

Anantha Narayanan M S from NPS Goaplapuram Chennai, Chennai

Subject :NSO Class : Class 6

Study the following table. Identify the change(s) listed under the wrong heading.

Physical Changes	Chemical Changes
1. Freezing ice cream	4. Souring of food
2. Whipping cream	5. Dissolving sugar for making lemonade
3. Squeezing oranges for juice	6. Burning petrol in a car

(A) 2 and 3

(B) 2 and 5

(C) 2

(D) 5

View All Answers (2)

Ans 1:

Arsh from Lahs, Gwalior

Class : Class 3

Ans 2:

Sanjana Iyer from HFS Powai, Mumbai

Class : Class 9

Submit Your Answers

Post Your Answer

Anantha Narayanan M S from NPS Goaplapuram Chennai, Chennai

Subject :NSO Class : Class 6

The earth wire of an electric appliance should be connected to the ________.

(A) Fuse

(B) Metal case

(C) On/Off switch

(D) Plastic handle

View All Answers (5)

Ans 1:

PARNIKA SINGH from GYAN GANGA EDUCATION ACADEMY, RAIPUR

Class : Class 10

the answer should be b because the earth wire should be connected to the metal case. Current caring wire should be connected with the fuse.

Ans 2:

Anushka Hazarika from DPS Megacity, Kolkata

Class : Class 2

I think the answer should be B - if earth wire is connected to the fuse (which will burn out after a certain threshold of current passes thru' it) , it will not prevent a shock.

Ans 3:

Ashwak from Cambridge, Jalandhar

Class : Class 9

The answer is B as metal case is only conductor and if fuse is connected it would be blown off

Ans 4:

Amogh from CLMSishya, Chennai

Class : Class 7

Ans 5:

R Banik from Delhi Public School Raipur , Raipur

Class : Class 3

Earth wire is always to prevent from electric shock when metal case comes in live wire, in that case current flow to earth and it prevents electric current pass through human body

Submit Your Answers

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Anantha Narayanan M S from NPS Goaplapuram Chennai, Chennai

Subject :NSO Class : Class 6

A piece of steel can be magnetised by stroking it with a magnet. When the magnet is moved in the direction shown, which poles are produced at X and at Y ?

	X	Y
(A)	North	North
(B)	North	South
(C)	South	North
(D)	South	South

View All Answers (1)

Ans 1:

Shomili from Global Indian International School, Singapore

Class : Class 9

The answer should be B

Submit Your Answers

Post Your Answer

SANJAY MANOCHA from ST FRANCIS DE SALES SENIOR SECONDARY SCHOOL JANAKPURI NEW DELHI, New Delhi

Subject :NSO Class : Class 6

The given Venn diagram represents some plants (P, Q, R and S) based on their edible parts. Select the incorrect option regarding this.

AP-Cumin, R-Fenugreek
BP-Rice, Q-Apple
CR-Coriander, Q-Tomato
DQ-Sugarcane, S-Cabbage

give explanation of the answer

View All Answers (1)

Ans 1:

Amrik Pal from Kendriya Vidyalaya DRDO, Bangalore

Class : Class 6

d

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