SOF - NSO Level 2 Sample Papers for Class 9

Class 9 sample paper & practice questions for the level 2 of National Science Olympiad (NSO) are given below. Syllabus for level 2 is also mentioned for these exams. You can refer these sample paper & quiz for preparing for the exam.

Resources:

Sample Questions from Olympiad Success:

Q.1

Q.2

Q.3

Q.4

Q.5

Q.6

Q.7

Q.8

Q.9

Q.10

Q.1	Sohail cycles on a circular track in an anticlockwise direction as shown in the figure. He travels with a speed 'V' to cover the path AB, next with speed '2V' from B to C and with a speed of '3V' from C to A. What is his average for the total journey?
a)	2V
b)	6V
c)	3V
d)	V/2

Q.2	Which of the following is a pair of isobars? ¹⁵N₇, ¹⁶O₈ ¹³C₆, ¹⁴N₇ ¹³C₆, ¹³N₇ ¹²C₆, ¹³O₈
a)	Only 1
b)	Only 3
c)	Both 1 and 3
d)	Both 2 and 4

Q.3	Identify the correct increasing order of molecular weights of the given compounds.
a)	H₂O>CO₂>SO₂>H₂S
b)	H₂O>H₂S>CO₂>SO₂
c)	H₂O>SO₂>H₂S>CO₂
d)	H₂S>CO₂>SO₂>H₂O

Q.4	Which of these methods is/are used to control water pollution? (i) Preventing the release of factory wastes into nearby streams. (ii) Educating society about the dangers of water pollution. (iii) Using biological control in an agricultural area instead of using pesticides.
a)	Only (i) and (ii)
b)	Only (i) and (iii)
c)	Only (ii), (iii)
d)	(i), (ii) and (iii)

Q.5	Two flasks I and II contain oxygen (O₂)and ozone (O₃) respectively. Flask I contains 0.5 moles of oxygen while flask II contains 0.4 moles of ozone. Which of the two flasks have a greater number of oxygen atoms?
a)	Flask II containing ozone has a greater number of oxygen atoms as compared to flask I.
b)	Flask I containing oxygen has a greater number of oxygen atoms as compared to flask II.
c)	Both flasks I and II have the same number of oxygen atoms.
d)	The number of atoms of oxygen cannot be calculated from the available data.

Q.6	How do the directions of velocity and acceleration act when brakes are applied to a moving cycle?
a)	Opposite to each other
b)	In the same direction
c)	Perpendicular to each other
d)	Parallel to each other

Q.7	The given cell is found in which organ system?
a)	Digestive system
b)	Reproductive system
c)	Circulatory system
d)	Respiratory system

Q.8	Identify the given biogeo chemical cycle.
a)	Mineral cycle
b)	Nitrogen cycle
c)	Water cycle
d)	Oxygen cycle

Q.9	Read the given statements and mark the correct option. Statement 1: Any two bodies in the universe attract each other. Statement 2: Mass of a body keeps changing with the place, in the universe.
a)	Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
b)	Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
c)	Statement 1 is true but Statement 2 is false.
d)	Statement 1 is false but statement 2 is true.

Q.10	When a cell is put in a solution of higher concentration ______ occurs and the cell _____.
a)	Endosmosis, swells
b)	Exosmosis, shrinks
c)	Endosmosis, shrinks
d)	Exosmosis, swells

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Answers to Sample Questions from Olympiad Success:

Q.1 )a	Q.2 )b	Q.3 )b	Q.4 )d	Q.5 )a	Q.6 )a	Q.7 )b	Q.8 )d	Q.9 )c	Q.10 )b

Answers to Sample Questions from Olympiad Success:

Q.1 : a | Q.2 : b | Q.3 : b | Q.4 : d | Q.5 : a | Q.6 : a | Q.7 : b | Q.8 : d | Q.9 : c | Q.10 : b

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