National Science Olympiad Forum By SOF Olympiad Trainer

Tanishka Pasricha from Sheiling House School, Kanpur

Subject :NSO Class : Class 5

Which one of the following is not a mammal?

A
B
C
D

Ans 1:

Saloni Singh from JPHS, Jaipur

Class : Class 4

kljnh gvbnjkmojhbgv bjnknihbgvu bnkkghjihugvbuhnij

Ans 2:

Sanyog Laddha from Global Indian International School, Pune

Class : Class 6

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Ayaan jamal from Dddddd, Delhi

Subject :NSO Class : Class 8

Refer to the given figure and select the incorrect statement regarding this.

A P represents the human male gamete which consists of head, middle-piece and tail.
B Q represents the human female gamete which is a single cell.
C The process shown in the figure is fertilisation.
D The resulting structure formed after the shown process is fetus.

it should not be fetus but zygote

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Ans 1:

Aditya Soni from Saint Xavier School, hariyana

Class : Class 8

D

Ans 2:

Aditya Soni from Saint Xavier School, hariyana

Class : Class 8

D is the answer as it is incorrect

Ans 3:

Amrit Biswas from INDUSVALLEY PUBLIC SCHOOL, Noida

Class : Class 10

D cuz its zygote

Ans 4:

Chaheli Virendra Jain from Horizon Academy, Nashik

Class : Class 8

Answer D because it is not fetus but zygote formed after process of fertilisation

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Vanshika Gupta from Kulachi Hansraj Model School, Delhi

Subject :NSO Class : Class 5

Which of the following words cannot be formed from the letters of the given word?

COMPOSITE

ATime
Bpost
Cmost
Dposter

right answer is option d

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Ans 1:

Ujjwal Upadhyay from Navy Children school, Vasco

Class : Class 6

Then why are you asking for the answer if you know it???

Ans 2:

Ujjwal Upadhyay from Navy Children school, Vasco

Class : Class 6

Then why are you asking for the answer if you know it???

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Vanshika Gupta from Kulachi Hansraj Model School, Delhi

Subject :NSO Class : Class 5

In a group of 5 girls, shreya is taller than Ritika, Vertika and chhavi. Ishika is taller than chhavi but shorter than Ritika, vertika is the shortest. Who among the following is in the middle of the ascending order of their heights?

AShreya
BRitika
CIshika
DChhavi

option c is right

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Ans 1:

Gunjan Rudraruhi Chauthiya from New Beersheba Public School, Pithoragarh

Class : Class 8

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Ananya D from Sacred Heart School, Thane

Subject :NSO Class : Class 2

While driving Rinki reached a point where the following road signs were present. She should_______________ .

ATake a right turn here
BNot drive at more than 30 km per hour speed
CHalt 10 metres ahead on the road
DNone of these

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Shreyas Singh from Podar International School, Pune

Subject :NSO Class : Class 5

In an experiment, a plant was placed in red coloured water as shown in the figure 'a'. At the end of the day, the stem and a leaf were cut and the red colour was seen as shown in the figure 'b'. Which of the following statements are correct regarding this observation ?

(i) The stem stores water.
(ii) The roots take in water.
(iii) The leaves use water to make food.
(iv) The stem sends water from the roots to the leaves.

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

it shoud 2 one also

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Ans 1:

vedant from TSRS Aravalli, Gurgaon

Class : Class 5

c.

Ans 2:

Sai Lakshmi Rao from Maneckji Cooper Education Trust, Mumbai

Class : Class 4

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Akshat Jain from Delhi Public School, Greater Noida

Subject :NSO Class : Class 5

At which of the following temperatures the water will start boiling?

A
B
C
D

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Twinkle from Lotus Valley International School, Noida

Subject :NSO Class : Class 6

In which of the following groups does each object exist as a solid at room temperature?
I. Mercury, iron, gold
II. Stone, sugar, cork
III. Copper, mercury, gold
IV. Salt, honey, ink

AI, II and III only
BII only
CII and III only
DIII only

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Dakala Murari from Indian school of excellence, Bangalore

Subject :NSO Class : Class 4

Amit records some observations regarding the Moon every night at 8:00 P.M. for a month. Which of the following statements best describes Amit's observations?

AThe Moon stays in one place in the sky and appears to change shape.
BThe Moon moves across the sky and appears to change shape.
CThe Moon stays in one place in the sky and looks like it has the same shape.
DThe Moon moves across the sky and looks like it has the same shape.

I understand that moon changes it shape. But, every at 8pm why it appears at different places?For me it seems the answer is A.

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Ans 1:

Nishtha Shukla from Sri Chaitanya Techno School, Gurgaon

Class : Class 8

B

Ans 2:

Mahi from BIS , delhi

Class : Class 5

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Aditya from FPS, Bengaluru

Subject :NSO Class : Class 9

How can I buy NSO workbook online

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Ans 1:

Ethel shiju from National Public School Indiranagar, Bangalore

Class : Class 9

Go to amazon.in or u can even try flipkart:)

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