SOF - NSO Level 2 Sample Papers for Class 7

Class 7 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

Match the entries in column-I with those in column-II.

	Column-I		Column-II
(a)	Silk	(i)	Rope
(b)	Nylon	(ii)	Sweater
(c)	Acrylic	(iii)	Bottle
(d)	Plastic	(iv)	Saree

a-1, b-3, c-4, d-2

a-2, b-4, c-3, d-1

a-3, b-1, c-4, d-2

a-4, b-1, c-2, d-3

Q.2

Identify the pair which is incorrectly matched.

	Organism	Respiratory organ
P	Cockroach	Spiracles
Q	Frog	Gills
R	Earthworm	Moist skin
S	Rabbit	Lungs

R and P

S and P

Q.3	Complete the following sentence. When the two terminals of a cell are connected directly with a wire, then ______________.
a)	More electrical energy is stored in the cell
b)	The chemicals get used up very fast
c)	No current flows
d)	The cell explodes

Q.4	The classification table given below shows how different organisms breathe. Which of these organisms are correctly represented by X, Y and Z?
a)	X - Tadpole, Y - Whale, Z - Earthworm
b)	X - Fish, Y - Crocodile, Z - Cockroach
c)	X - Frog, Y - Shark, Z - Toad
d)	X - Prawn, Y - Grasshoper, Z - Cockroach

Q.5	Which of these labelled parts form the carpel?
a)	P and Q only
b)	P, Q and R only
c)	S and T only
d)	S, T and R only

Q.6	Low atmospheric pressure exists on the earth in which of the following latitudes?
a)	At the equator only
b)	At 30° N and S
c)	At the poles
d)	At the equator and at 60° N and S.

Q.7	A compass is often used to indicate direction. Which one of the following is not true about the compass needle?
a)	It is made of steel.
b)	It must be freely suspended in order to work.
c)	It is a magnetised object.
d)	It always points in the East-West direction.

Q.8	Anita gets a home assignment to prepare a file of fabrics made up of different fibers. She takes a piece of fabric and burns it to identify the fiber. It burns with a smell of burning plastic. What does this show?
a)	The fabric is made up of cotton.
b)	The fabric is made up of expensive material.
c)	The fabric is made up of pure wool.
d)	The fabric is made up of synthetic fibers.

Q.9	The diagram shows a crystal being heated in a beaker of water. The crystal releases a dye which shows how the water circulates around the beaker. What is happening to cause the water above the crystal to rise?
a)	The water contracts and its density decreases
b)	The water contracts and its density increases
c)	The water expands and its density decreases
d)	The water expands and its density increases

Q.10	Herbivores do not produce enzymes that digest cellulose. How does the cellulose in their food get digested?
a)	Algae in their gut convert the cellulose into simple sugars.
b)	Bacteria in their gut convert the cellulose into glucose.
c)	Viruses in their gut convert the cellulose into simple sugars.
d)	Fungi in their gut convert the cellulose into simple sugars.

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Answers to Sample Questions from Olympiad Success:

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

Answers to Sample Questions from Olympiad Success:

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

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