National Science Olympiad Forum By SOF Olympiad Trainer

gayathri ananth from ,

Subject :NSO Class : Class 6

Lithosphere consists of the

Acrust only
Bcrust and entire mantle
Ccrust and the outermost portion of mantle
Dlower crust and the outermost portion of mantle

Please explain

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Pramath Ram from Canara CBSE, Mangalore

Subject :NSO Class : Class 7

Given below is the conversation of three friends Ritu, Jaya and Sudhir.

Ritu : I live at the place with longest daylight period and high average day temperature.

Jaya : I have been to an interesting place where there is 6 months of day and 6 months of night.

Sudhir : I live at the place which receives sun rays vertically.

Which of the following statements is incorrect in context of the conversation? [Refer the given figure of Earth showing positions X, Y and Z]

(A) Ritu lives at the place Y.

(B) Jaya has been either to place X or to place Z.

(C) Sudhir lives at the place Z.

(D) Both (B) and (C).

Ans 1:

Samay Roy from delhi public school, ahmedabad

Class : Class 9

b

Ans 2:

Aparajita from Mount Litera Zee School, Vasco da gama

Class : Class 8

Option D

Ans 3:

Ishaan Roy from Sri Chaitanya Techno School, Bengaluru

Class : Class 10

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DIBYA PRASANNA RANA from DAV Public School, Haldia

Subject :NSO Class : Class 7

Which of the following statements hold true for the root system shown in the figure?

(i) It is a prop root.
(ii) It grows downwards from branches.
(iii) It helps in photosynthesis.
(iv) It provides support to the plant.

A(i) and (iii)
B(ii), (iii) and (iv)
C(i), (ii) and (iv)
DAll of these

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Ans 1:

thechampiondaksh from K R Mangalam World School, New Delhi

Class : Class 8

the answer is c

Ans 2:

thechampiondaksh from K R Mangalam World School, New Delhi

Class : Class 8

the answer is c

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DIBYA PRASANNA RANA from DAV Public School, Haldia

Subject :NSO Class : Class 7

Which of these statements are correct?
(i) Webbed feet of penguins help them in swimming.
(ii) Hygrometer is used to measure rainfall.
(iii) Tusk of elephants acts as a nose and is used for picking up food.
(iv) Small ears of polar bear help to retain heat.

A(ii) and (iv)
B(i) and (iv)
C(i), (ii) and (iii)
DNone of these

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Ans 1: (Master Answer)

Admin from revisewise, Noida

Class : Class 1

The correct answer is B.

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Anantha Narayanan M S from NPS Goaplapuram Chennai, Chennai

Subject :NSO Class : Class 6

Mansi listed the four groups of different objects in the given table.

The correct property according to which these substances are categorised into different groups is in
I. Group 1 : Lustrous metals II.
Group 2 : Softness III.
Group 3 : Made up of paper IV.
Group 4 : Edible and insoluble in water

AI and III only
BII and IV only
CI and II only
DIII and IV only

wrong numbering

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Ans 1:

Aarav Srivastav from DWPS , Noida Extension

Class : Class 7

Ans 2:

Amrik Pal from Kendriya Vidyalaya DRDO, Bangalore

Class : Class 6

a

Ans 3:

Ishaan singhal from CCWS, Jaipur

Class : Class 3

Names are not proper.

Ans 4:

Shweta Garg from Vibgyor high, Vadodara

Class : Class 8

Ans 5:

A Ramakrishna Rao from D A V Public School. Unit 8. Bhubaneswar , Bhubaneswar

Class : Class 6

it is given the separate names of groups

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Anantha Narayanan M S from NPS Goaplapuram Chennai, Chennai

Subject :NSO Class : Class 6

One gram of salt is added to each of the following beakers containing water at different temperature conditions.

Which of the following represents the decreasing order of the time taken by the salt to dissolve completely?

AP < S < Q < R
BR < Q < P < S
CP > S > Q > R
DQ > R > P > S

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Ans 1:

Amrik Pal from Kendriya Vidyalaya DRDO, Bangalore

Class : Class 6

c

Ans 2:

Ahamed Shayaan from Sree Gokulam public school , Calicut

Class : Class 6

Ans 3:

Aarav Gupta from Cambridge International School, Jalandhar

Class : Class 5

c

Ans 4:

SOHAM AJAY DEO from Montfort Sr. Sec. School, Roorkee

Class : Class 7

The correct answer can be (C) P>S>Q>R

Ans 5:

Anay rathore from Sps, Bhopal

Class : Class 6

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Theertha Uday from Holy Angels ISC School, Trivandrum

Subject :NSO Class : Class 3

The given figure shows an empty glass. How many form(s) of matter does it show ?

(A) 3

(B) 2

(C) 1

(D) 4

please some one explain

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Ans 1:

from ,

Class :

B. 2 states of matter. Solid and gas.

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Gargy from Maruti inter school , Hindaun City

Subject :NSO Class : Class 6

Where does kerb cycle takes place?

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Gargy from Maruti inter school , Hindaun City

Subject :NSO Class : Class 6

Where does kerb cycle takes place?

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aneeshahadke@gmail.com from Euroschool Airoli, Mumbai

Subject :NSO Class : Class 6

Which of the following cannot be interpreted from the given figure?

ASome plant parts have a tendency to bend towards light.
BPlants show response to environmental stimuli.
CRoots of the plants have a tendency to move away from light.
DPlants possess the characteristics of living organism.

phototropism?

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Ans 1:

Prateek panigrahi from D a v public school jharsuguda, Jharauguda

Class : Class 2

Ans 2:

Kanishk Mukherjee from BDM International, Kolkata

Class : Class 6

Ans 3:

Kushal from Chirec, Hyderabad

Class : Class 7

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