National Science Olympiad Forum By SOF Olympiad Trainer - Page 272

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
Answer is C .Because Vitamin D is formed in our body due to exposure to sunlight through colestrol so option A is right .deficiency of vitamin D and calcium causes rickets .calcium is present in milk but not sometimes in its products .so the correct answer is C

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
The answer is (b) According to Kepler's second law, the angular momentum of the planet is constant. The angular momentum of the planet does not vary, i.e. the aerial velocity of the planet remains constant.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
the answer is d

Ans 2:

Class : Class 6
the answer is D the server is right

Ans 3:

Class : Class 6
answer is A .

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
BBBBBBBBBBBBBBBBBBBBBBBBBBBBBB

Ans 2:

Class : Class 7
answer is B

Ans 3:

Class : Class 8
B

Ans 4:

Class : Class 6
14 X 7 = 98 not 56 see the solution then put answer on the forum .

Ans 5:

Class : Class 4
the answer is : b 2,4,8,14,28

Ans 6:

Class : Class 7
Isn't this an IMO question????????!!!!!!!!!!!!!!!!!!!!!!!

Ans 7:

Class : Class 5
b is the answer

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1

C

Animals X and Y shown in the figure are of shark and rat respectively. Shark is a carnivore and rat is an omnivore. Similarly in option C clouded leopard is a carnivore and skunk is an omnivore. 


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Subject :NSO    Class : Class 7

Which of the following statements are correct?
(i) Time period of a simple pendulum is the time taken by the pendulum to complete one oscillation.
(ii) The area under the speed-time graph on time axis is the distance.
(iii) Heat is exchanged between two bodies if they have different amount of heat but have same temperature.
(iv) In an electrical circuit, short circuit occurs when a naked live wire and a neutral wire come in direct contact.
(v) When a light wave and a sound wave travel from air into water, their speeds are decreased.
a. (i), (ii) and (iv) only
b. (i), (ii) and (iii) only
c. (ii), (iii) and (iv) only
d. (iii), (iv) and (v) only
Given that average speed of the car is 60 km h–1.
What is the value of x?

A 120 km
B 180 km
C 240 km
D 720 km


the questions wrong, two questions are colliding

Ans 1:

Class : Class 9
NA

Ans 2:

Class : Class 7
exactly!!!its bugged

Ans 3:

Class : Class 10
How is the first part of the question related to the second part?

Ans 4:

Class : Class 8
correct options are not given

Ans 5:

Class : Class 7
There are 2 parts in this question which are not at all inter-related.The average speed (2nd part) question is the incomplete question of Q.10

Ans 6:

Class : Class 9
The question has a bug

Ans 7:

Class : Class 7
I tried doing it, nothing came out! Hell!!

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7
Pls explain!

Ans 2:

Class : Class 8
The answer is B .

Ans 3:

Class : Class 7
CORRECT ANS IS A

Ans 4:

Class : Class 4
the correct answer is : B

Ans 5:

Class : Class 5
The correct answer is D because when sun heats the land air rises up from the land so the option 4 is also correct , hence D is correct option

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
Предлагаю высокооплачиваемую работу в теневой сфере, опыт не требуются. Пишите в телеграм @karabeitm

Ans 2:

Class : Class 6
For forum members it is FREE. To activate, enter the code S-1616-9781 https://istripper.best/

Ans 3:

Class : Class 7
For forum members it is FREE. To activate, enter the code S-1616-9781 https://istripper.best/

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 1

Ans 2:

Class : Class 7
Wind speed, temperature, and humidity are all required for the formation of a cyclone.

Ans 3:

Class : Class 7

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Subject :NSO    Class : Class 7

Read the following statements carefully and select the option which correctly identifies true (T) and false (F) ones.

(i) The seasonal movement of the complete population of animals from one area to another is termed migration.
(ii) Heavy and solid bones help penguins to swim through water at a speed up to 15 miles per hour.
(iii) Toucans have four clawed toes in each leg, two in front and two at the back.
(iv) Most rainforests lie between the Tropic of Cancer and the Tropic of Capricorn, that is why they are often called as tropical rainforests.

(i) (ii) (iii) (iv)
A F T T T
B T T F T
C T F T T
D F F F T


Ans 1:

Class : Class 6

Ans 2:

Class : Class 7

Ans 3:

Class : Class 3
c is the ans

Ans 4:

Class : Class 7

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