National Science Olympiad Forum By SOF Olympiad Trainer

AAYMAN.AAMIR from DPS Noida, Noida

Subject :NSO Class : Class 2

Which of the following statements is incorrect for the given group of animals?

(a) They are domestic animals.
(b) They are called reptiles.
(c) They provide us milk.
(d) All of these

They are not reptiles and your eye sight is wee k

Ans 1:

Manit Aggarwal from St. Patricks Academy Bengaluru, Bangalore

Class : Class 8

D is the answer

Post Your Answer

Vaikhari Sonawane from symbiosis school, Nashik

Subject :NSO Class : Class 5

One night, Jayesh was watching the full Moon. Slowly, the Moon began to darken. A shadow covered the whole Moon for a while before the Moon's light began to appear again. What is the most likely explanation for what Jayesh saw ?

(A) A huge bird was flying across the Moon.

(B) Thick clouds were blocking the Sun's light, which the Moon reflects.

(C) The Earth passed between the Sun and the Moon.

(D) A satellite passed between the Earth and the Moon.

ðð

Ans 1:

Namratha from JGRVK, Bengaluru

Class : Class 5

even mine is d

Ans 2:

Aryan Sirohi from Mount LItera Zee School, Bangalore

Class : Class 8

Answer is d

Ans 3:

Karan Chavan from GIIS,Chinchwad, Pune

Class : Class 5

D

Ans 4:

Shivam Dave from JAMNABAI NARSEE SCHOOL, Gandhinagar

Class : Class 7

The answer is C. As it was a lunar eclipse, in which the Earth comes between the Sun and the Moon. The answer won't be A as there is no bird flying in the space. The answer won't be B as there couldn't be dust clouds blocking the sun. The won't be D as a satellite is not that much big to block Moon's Rays.

Submit Your Answers

Post Your Answer

Vaikhari Sonawane from symbiosis school, Nashik

Subject :NSO Class : Class 5

Suppose the Earth begins to rotate twice as fast. Which of these would happen in this condition ?

(A) Days would be twice as long

(B) The Sun would rise and set in the east

(C) Days would be half as long

(D) Some places would have eight seasons a year.

View All Answers (0)

Submit Your Answers

Post Your Answer

Bhabani Prasad from Narayan School, Kolkata

Subject :NSO Class : Class 5

The given picture X shows a rabbit.

Which two rabbits below are mostly likely the parents of X?

f31_1_1.eps

(A) P and Q

(B) Q and S

(C) Q and R

(D) R and S

Rabbit r did not look clear. It looked like another animal. I just want the pictures next time to be clear.

View All Answers (1)

Ans 1:

Kushagra Shukla from Presidium dwarka, New Delhi

Class : Class 5

how am i to understand which rabbit is the parent of which one

Submit Your Answers

Post Your Answer

Twinkle from Lotus Valley International School, Noida

Subject :NSO Class : Class 5

Find the correct water-image of Fig. (X) ?

(a)
(b)
(c)
(d)

how do you find a water image

View All Answers (1)

Ans 1:

Karan Chavan from GIIS,Chinchwad, Pune

Class : Class 5

BUY THE REASONING BOOK AND SEE IN IT

Submit Your Answers

Post Your Answer

Bhabani Prasad from Narayan School, Kolkata

Subject :NSO Class : Class 5

The given flowchart shows various means of transport.Where would you place submarine, tram and metro train in the given flowchart?

Submarine Tram Metro

46.eps

(A) b-(ii) a-(i) a-(ii)

(B) c-(i) a-(ii) b-(iii)

(C) b-(ii) a-(ii) a-(ii)

(D) b-(ii) c-(i) a-(i)

Is tram also counted as railway???? Well it goes on the rails on the ROAD.

View All Answers (2)

Ans 1:

Kushagra Shukla from Presidium dwarka, New Delhi

Class : Class 5

of course

Ans 2:

Kushagra Shukla from Presidium dwarka, New Delhi

Class : Class 5

of course

Submit Your Answers

Post Your Answer

Bhabani Prasad from Narayan School, Kolkata

Subject :NSO Class : Class 5

There is some water in a glass. Which of the following will happen if all the water is poured into an open hot bowl from the glass?

f37_1_1.eps

(A) Volume of water will change.

(B) Shape of water will change.

(C) Surface area of water will increase.

(D) All of these.

The surface area is not the water level????

View All Answers (3)

Ans 1:

Preeti tanwar from DON BOSCO ACADEMY, Patna

Class : Class 9

answer is (B)

Ans 2:

Preeti tanwar from DON BOSCO ACADEMY, Patna

Class : Class 9

answer is (B)

Ans 3:

Preeti tanwar from DON BOSCO ACADEMY, Patna

Class : Class 9

answer is (B)

Submit Your Answers

Post Your Answer

Bhabani Prasad from Narayan School, Kolkata

Subject :NSO Class : Class 5

Tina was asked to find the volume of the water in a container.

Which of the positions given below is the correct way of reading the volume of water?

f27_1_1.eps

(A) P

(B) Q

(C) R

(D) S

The water level is not given so it looked like q....... how can r be the bottom of the u shape of water level?

View All Answers (0)

Submit Your Answers

Post Your Answer

Bhabani Prasad from Narayan School, Kolkata

Subject :NSO Class : Class 5

With the help of a tube, Dr. Vikas took 10 ml of juice out of the stomach into a glass. Then he put twenty tiny pieces of boiled fish into this juice. He kept the glass at the same temperature as that of our stomach. What did he observe after few hours ?

(A) Pieces of fish had dissolved

(B) Pieces of fish had not dissolved

(C) Increase in the amount of juice

(D) Clumping of pieces of fish

View All Answers (0)

Submit Your Answers

Post Your Answer

Bhabani Prasad from Narayan School, Kolkata

Subject :NSO Class : Class 5

The given experiment shows a method to remove insoluble impurities from water. Identify the method.

f35_1_1.eps

(A) Filtration

(B) Decantation

(C) Loading

(D) Chlorination

Is this method also called sedimentation?????

View All Answers (1)

Ans 1:

Haroon T K from Silver Hills public school , Calicut

Class : Class 5

User Forum

Ans 1:

Ans 1:

Ans 2:

Ans 3:

Ans 4:

Ans 1:

Ans 1:

Ans 1:

Ans 2:

Ans 1:

Ans 2:

Ans 3:

Ans 1:

Related Links