NSO Level 1- Science Olympiad (SOF) Class 9: Questions 857 - 862 of 1123

Access detailed explanations (illustrated with images and videos) to 1123 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 450.00 or

How to register?

Question number: 857

» Mental Ability

Edit
MCQ▾

Question

The value of is ________.

Choices

Choice (4) Response

a.

3

b.

2

c.

0

d.

5

Question number: 858

» Mental Ability

Edit
MCQ▾

Question

35 persons can repair a road in 10 days, working 3 hours a day. In how many days will 30 persons, working 7 hours a day, complete the work?

Choices

Choice (4) Response

a.

3

b.

9

c.

7

d.

5

Question number: 859

» Chemistry » Matter

Edit
MCQ▾

Question

If we try to fill more and more gas in a balloon it bursts out. This is because

Choices

Choice (4) Response

a.

Air has weight

b.

Air needs no space

c.

Air exerts pressure on the walls of the balloons

d.

Air has a fixed volume

Question number: 860

» Mental Ability

Edit
MCQ▾

Question

In a simultaneous throw of two dice, what is the probability of getting a doublet?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 861

» Biology » Diversity of Living Organisms

Edit
MCQ▾

Question

Amphibians do not have the following

Choices

Choice (4) Response

a.

Three chambered heart

b.

Scales

c.

Gills or lungs

d.

Mucus Glands

Question number: 862

» Chemistry » The Nature of Matter

Edit
MCQ▾

Question

Classify the following examples of colloids in the given box

Rubber, mist, butter, milky glass, mud, face cream

Table shows the examples of colloids

Table shows the examples of colloids

Aerosol

Foam

Emulsion

Sol

Gel

Solid Sol

i

ii

iii

iv

v

vi

Choices

Choice (4) Response

a.

i) rubber, ii) mist iii) butter iv) milky glass v) mud vi) face cream

b.

i) butter ii) mud iii) rubber iv) mist v) face cream vi) milky glass

c.

i) mist ii) face cream iii) butter iv) mud v) milky glass vi) rubber

d.

i) mist ii) rubber iii) face cream iv) mud v) butter vi) milky glass

Developed by: