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.


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 type of reproduction is shown in the diagram given below?



a)

Binary fission

b)

Fragmentation

c)

Sporulation

d)

Budding

Q.2

Study the given reaction.
NaOH + HCl  →  NaCl + H2O

Identify the salt in the above reaction.

a)

NaCl

b)

H2O

c)

HCl

d)

NaOH

Q.3

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.4

Which of the following is the best thing to do during heavy lightning?

a)

Lying on the ground in an open place.

b)

Going into the nearest water body.

c)

Staying indoors away from metallic doors or windows.

d)

Standing under a tall tree.

Q.5

Which statement is true about parasitic plants?

Statement 1: Organisms which break glucose into alcohol and carbon dioxide.

Statement 2: Organisms which draw nutrition from living tissues of other plants.

a)

Statement 1 is correct

b)

Statement 2 is correct

c)

Both the statements are correct

d)

Both the statements are incorrect

Q.6

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.7

A student identified the following characteristics in animals.
The given characteristics are found in which animal?

(i) Strong claws and broad hip girdles

(ii) Spines to prevent from slipping

(iii) Ability to climb trees

a)

Terrestrial animal

b)

Aquatic animal

c)

Amphibian animal

d)

Arboreal animal

Q.8

On adding phenolphthalein indicator to a colourless solution, no change is observed. What is the nature of this solution?

a)

Basic

b)

Either acidic or basic

c)

Either acidic or neutral

d)

Either basic or neutral

Q.9

An indicator prepared from turmeric (HALDI) is added to a strong alkali solution. What colour does the indicator change to?

a)

Yellow

b)

Brick red

c)

Orange

d)

Blue

Q.10

Which of the following statements is true about convection?

a)

In solids, heat is transferred only by convection.

b)

Convection occurs in cold liquids.

c)

Convection requires a medium for transmission.

d)

Heat flows from the cold end to the hot end in a substance.

Your Score: 0/10



Answers to Sample Questions from Olympiad Success:

Q.1bQ.2aQ.3cQ.4cQ.5bQ.6aQ.7dQ.8cQ.9bQ.10c

Answers to Sample Questions from Olympiad Success:

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

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