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.

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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	Which of the following is correct? 1. A cyclone is formed by a very high-pressure system with very high-speed winds revolving around it. 2. In summer, the winds flow from the land towards the ocean. 3. In winter, the winds flow from the land to the ocean. 4. The coastline of India is not vulnerable to cyclones.
a)	Only 1
b)	Only 3
c)	Both 1 and 3
d)	Both 1 and 4

Q.2	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.3	Study the given distance-time graph for three cars P, Q and R in a race. Which of the three cars wins the race?
a)	Car P
b)	Car Q
c)	Car R
d)	Both Q and R

Q.4	Fill in the blank with the correct option. Air moves from a region of ____(1)______ pressure to a region of ___(2)_____ pressure.
a)	(1)-high and (2)-high
b)	(1)-low and (2)-low
c)	(1)-high and (2)-low
d)	(1)-low and (2)-high

Q.5	Which of the following are the characteristics of enzymes?
a)	Substances which are broken into simpler substances during digestion.
b)	Substances which are made by the combination of carbohydrates.
c)	Substances which break complex food molecules into simpler food molecules.
d)	Substances which break complex substances and they themselves undergo dissociation reactions.

Q.6	Which of the following statements is/are true? 1. Digestion of starch starts in the stomach. 2. The tongue helps in mixing food with saliva. 3. The gall bladder temporarily stores bile. 4. The ruminants bring back swallowed grass into their mouth and chew it for some time.
a)	1 and 2 are true
b)	1, 2 and 3 are true
c)	2, 3 and 4 are true
d)	1, 2, 3 and 4 are true

Q.7	Study the given reaction. NaOH + HCl → NaCl + H₂O Identify the salt in the above reaction.
a)	NaCl
b)	H₂O
c)	HCl
d)	NaOH

Q.8	Based on the given information, which statement is true about the importance of soil to plants? (i) Soil supplies plants with food (ii) Soil supplies plants with minerals (iii) Soil supplies plants with air and water
a)	(i) only
b)	(ii) and (iii) only
c)	(i) and (ii) only
d)	(i), (ii) and (iii)

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

Answers to Sample Questions from Olympiad Success:

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

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