National Science Olympiad Forum By SOF Olympiad Trainer

ravyan from saint joseph, shaktinagar

Subject :NSO Class : Class 9

Refer to the given characteristics regarding organism X.
(i) Naked cytoplasm
(ii) Multinucleate condition
(iii) Saprophytic
X could be

A Vibrio cholerae
B Diatom
C Penicillium
D Slime moulds

mutation or elao rate explain???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????//

Ans 1:

Ashvik Banerjee from Mount Litera Zee School , Vasco

Class : Class 9

It will be slime mould

Ans 2:

Ashvik Banerjee from Mount Litera Zee School , Vasco

Class : Class 9

It will ne slime mould

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Anvi Swarnkar from National Center for Excellence CVR, Bangalore

Subject :NSO Class : Class 2

Which among these is a scavenger animal?

A Vulture
B Jackal
C Hyena
D All of these

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harshita sharma from O.P. Jindal school savitri nagar tamnar, chattisghar raighar tamnar

Subject :NSO Class : Class 8

when we take bath. we are cleaned. so, why our towels get dirty?

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Shrihan Koley from Radiant International School , Patna

Subject :NSO Class : Class 4

Study the given figure carefully and answer the following question.

If Niharika is facing the Fire Station, then what will she be facing after a ⁵⁄₈ clockwise turn followed by ¹⁄₄ anti-clockwise turn?

ARailway Station
BTemple
CHospital
DMall

Hey prabhu hey harinam krishna jagan natham premanondi ,ye kya hua?

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Ans 1:

shuddhi choubey from euro school mumbai, Bhopal

Class : Class 4

ans is I DO NOT KNOW!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 2:

Shrihan Koley from Radiant International School , Patna

Class : Class 5

Koi kyun nahi bhejh raha Hai?

Ans 3:

Shrihan Koley from Radiant International School , Patna

Class : Class 5

Hey prabhu hey Harinam Krishna jaganatham premanondi ye kya hua?

Ans 4:

Shrihan Koley from Radiant International School , Patna

Class : Class 5

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Sylvia Mary from Yagappa international school, thanjavur

Subject :NSO Class : Class 6

If 'P * Q' means P and Q are of the same age, 'P – Q' means Q is younger than P and 'P + Q' means P is younger than Q, then, 'Shreya * Meena – Priti' means ______.

APriti is the youngest.
BPriti is the eldest.
CShreya is younger than Priti.
DNone of these

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Aarav Ashmit from The DN Wisdom Tree Global School, Bhubaneswar

Subject :NSO Class : Class 2

Select the INCORRECT match out of the following.

A Tiger – Growl
B Elephant – Neigh
C Sheep – Bleat
D All of these

huh

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Jofina from SAV balakrishna matric, Tirunelveli

Subject :NSO Class : Class 7

Which of the following statements are true about the given plants?

(i) Both of the plants have swollen leaf stalks.
(ii) Both are food producers.
(iii) Both are flowering plants.
(iv) Both have waxy leaves.

A (i) & (ii)
B (ii) & (iii)
C (iii) & (iv)
D (i) & (iv)

Why are you blaming Me everytime

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Shreyasi Padihary from The Cambridge International School , Bangalore

Subject :NSO Class : Class 6

Three burning candles are covered with glass jars as shown in figures. Equal amount of air, CO₂ and O₂ are present in jars X, Y and Z, respectively. Arrange the candles in decreasing order of the time for which they will continue to burn.

A Z, X, Y
B X, Y, Z
C X, Z, Y
D Z, Y, X

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Saket Khurana from DPS E-CITY BENGALURU, BENGALURU

Subject :NSO Class : Class 8

Read the given statements and select the correct option.
Statement 1 : The fallopian tube conveys the ovum from the ovary to the uterus.
Statement 2 : Fallopian tube possesses finger like projections called fimbrae which help in collection of the ovum after ovulation.

A Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true but statement 2 is false.
D Both statements 1 and 2 are false.

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Saiyam jain from Sagar public school , Bhopal

Subject :NSO Class : Class 4

Clothes last longer if they are cleaned properly when they get dirty. Which of the following is NOT the right way to clean clothes?

A Fresh ink stains on clothes can be removed with talcum powder.
B Oil and grease stains on clothes can be removed with petrol.
C Silk clothes and woollen clothes should be washed with strong detergent.
D All of these

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Ans 1:

Rama Dwija from THLC, Shad nagar

Class : Class 5

C is the answer

Ans 2:

Tattvansh Prusty from Venkateshwara International School, Delhi

Class : Class 4

So C and B are the correct answers but there is no option like that.

Ans 3:

Tattvansh Prusty from Venkateshwara International School, Delhi

Class : Class 4

Does anybody in the whole world wash oil and grease stains on clothes by removing them with petrol ?, if anybody does then please from my side, say them crazy because then the clothes will catch fire , so from my side this is also incorrect

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