National Science Olympiad Forum By SOF Olympiad Trainer

Chanpartap from The British Co Ed High School , Patiala

Subject :NSO Class : Class 5

The given diagram shows two plants X and Y. Select the correct option regarding the difference between the two.

(A) Plant X can make its own food and plant Y can partly make its own food.

(B) Plant X cannot make its own food but plant Y can make its own food.

(C) Plant X depends partly on animals for food but can also make its own food while plant Y cannot make its own food.

(D) Plant X cannot make its own food while plant Y depends on decaying matter for food and can also make its own food.

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sunita from synergy national school , ambejogai

Subject :NSO Class : Class 4

What fraction of the figure is shaded?

(A) 2/5

(B) 1/2

(C) 5/6

(D) 1/3

Ans 1: (Master Answer)

Admin from revisewise, Noida

Class : Class 1

The correct answer is B.

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ramesh datta from DPS dwarka , New Delhi

Subject :NSO Class : Class 6

A plane mirror is placed vertically facing due north. a An arrow pointing north east is kept in front of the mirror. In which direction will the arrow point in the image? A. North east B. South west C. South east D. North west It is said the answer is C. But how?

Ans 1:

Indu Patel from Parth institute , Vadodara

Class : Class 10

Sorry South east

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Adish Gupta from Podar international school , Mumbai

Subject :NSO Class : Class 5

Which of the following is/are not the function(s) of the part labelled as X in the given figure ?

(i) To absorb water from the soil.
(ii) To transport food to all parts of the plant.
(iii) To transport water to all parts of the plant.
(iv) To hold the plant upright to receive sunlight.

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

"x" shows stem and it doesn't absorb water from the soil. So, how the answer is option A?

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Ans 1:

ESWAR RAMAGOPAL REDDY SABBELLA from SENTIA THE GLOBAL SCHOOL, HYDERABAD

Class : Class 6

please can you explain how the stem helps in absorbing water.

Ans 2:

Prasenjit Nandy from ,

Class : Class 4

you have answered it wrong

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anindeeta78@gmail.com from nk bagrodia global school, New Delhi

Subject :NSO Class : Class 5

Which of these is a correct match?

A
B
C
D

wrong answer given please check

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krish from Holy Angels School, Dombivali

Subject :NSO Class : Class 5

Which of the following pyramids correctly depicts the descending order of the size of the planets?

A
B
C
D

correct answer is A how

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abhinav from d a v public school, Angul

Subject :NSO Class : Class 5

Pure or distilled water is not used for drinking mainly because

(A) It is poisonous

(B) It does not contain any minerals required by the body

(C) It is bacteria free

(D) It is not available easily.

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Ans 1:

Supreet Birdi from Global Indian International School, Bangalore

Class : Class 9

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abhinav from d a v public school, Angul

Subject :NSO Class : Class 5

The perimeter of the figure below is _______ units.

(A) 12

(B) 16

(C) 22

(D) 24

what is the area of triangle

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Aaditya Vichare from Universal malad, Mumbai

Subject :NSO Class : Class 4

Read the given statements and select the correct option.
Statement 1 : Snake and crocodile are cold blooded animals.
Statement 2 : Snake and crocodile breathe through moist skin.

A Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1.
C Statement 1 is correct but statement 2 is incorrect.
D Both statements 1 and 2 are incorrect.