National Science Olympiad Forum By SOF Olympiad Trainer - Page 27

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Manvik Singhal from KIS, noida

Subject :NSO Class : Class 6

A rider on horse falls back when horse starts running all of a sudden because

AAcceleration of horse is less than that of rider
BRider is suddenly afraid of falling
CInertia of rest keeps the upper part of body at rest while lower part of the body moves forward with the horse
DInertia of motion keeps the upper part of body at rest while lower part of the body moves forward with the horse.

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Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Subject :NSO Class : Class 6

Find the correct mirror image of given combination of letters if mirror is placed along MN.

A

B

C

D

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Ans 1:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

Ans 2:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

Ans 3:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

Ans 4:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

Ans 5:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

Ans 6:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

Ans 7:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

Ans 8:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

Ans 9:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

Ans 10:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

Ans 11:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

Ans 12:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

Ans 13:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

Ans 14:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

Ans 15:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

Ans 16:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

Ans 17:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

Ans 18:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

Ans 19:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

Ans 20:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

Ans 21:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

Ans 22:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

Ans 23:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

Ans 24:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

Ans 25:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

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Jeduthun Patrick from Little champion school , Nagercoil

Subject :NSO Class : Class 7

A converging lens can form a virtual image if the object is placed __________.

ABetween the lens and its focus
BAt the focus of the lens
CBetween focus and twice the focal length
DAt infinity

A converging lens can form a virtual image if the object is placed __________.

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Ans 1:

Yashraj Namdev Deshmukh from Sahyadri English School, Loha, Nanded

Class : Class 7

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Ayushmaan Nautiyal from MVN, Faridabad

Subject :NSO Class : Class 4

Study the given figure carefully and answer the following question.

After making a ³⁄₈ anti-clockwise turn followed by ³⁄₄ clockwise turn, Niharika is facing the Park. Where was she facing before she made the turns?

AMall
BGurudwara
CHospital
DRailway Station

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SR from D P S South Bangalore, Bangalore

Class : Class 5

Answer is option B

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Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Subject :NSO Class : Class 6

One of the four identical light bulbs in a series circuit has blown off as shown in the figure.

Which of the following statements is correct about the bulbs?

AR will not glow while P, Q and S will glow as before.
BR will not glow while P, Q and S will glow brighter than before.
CR will glow brighter than before while P, Q and S will glow as before.
DAll the bulbs P, Q, R and S will not glow.

kease

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Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Subject :NSO Class : Class 6

Three positions of a dice are shown below. Identify the character which will be in the bottom when ∆ is at the top.

A
B
C
D

lk.,m

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Ans 1:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

bhaio d bhi ho sakta h

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Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Subject :NSO Class : Class 6

In a certain language 'mo pe re' means 'book is good', 'pe ka le' means 'you are good' and 'le mo ne' means 'you have book'. Which word stands for 'is' in that language?

Amo
Bpe
Cre
Dle

saezdfce

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jainita rai from dps dhanbad, dhanbad

Subject :NSO Class : Class 7

Read the given statements and select the option that identifies the correct ones.
(i) Forest fires are often caused due to lightening.
(ii) In a forest, the vegetation that grows under the shade of the canopy is called understorey.
(iii) In the absence of forest cover, soil erosion is less.
(iv) Humans depend on forests for timber, resin, lac, etc.
(v) Canopy receives least amount of sunlight among all the layers of the forest.

A (i) and (iv) only
B (i), (ii) and (iv) only
C (iii) and (iv) only
D (i), (ii), (iv) and (v) only

the answer should be option d because point 5 is correct

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Aksh Swarnkar from National Center for Excellence CVR, Bangalore

Subject :NSO Class : Class 7

The given diagram shows a respirometer that is used to measure gaseous exchange in gram seeds. The apparatus is maintained at a constant temperature.

Which of the following is correct regarding it?

(i) The gas pressure at X will fall as O₂ is absorbed during respiration and CO₂ is absorbed by potassium hydroxide solution.
(ii) The fluid level at Y will fall to compensates the loss of pressure in X.
(iii) The gas pressure at X will rise as O₂ is given out by seeds and CO₂ is released by potassium hydroxide solution.
(iv) The fluid level at Z will rise due to loss of pressure at X.

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

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Aarushi from Sherwood high , Bangalore

Subject :NSO Class : Class 5

In which of the following cities the given monument X is not present?

AUjjain
BJaipur
CMumbai
DVaranasi

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Ans 1:

Aarushi from Sherwood high , Bangalore

Class : Class 6

O.I thought it was "x"monument located.So please check the question properly guys

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