NSO Level 1- Science Olympiad (SOF) Class 9: Questions 339 - 345 of 1128

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Question 339

Question

MCQ▾

Which of these cattle breeds show excellent resistance to diseases?

Choices

Choice (4)Response

a.

Jersey

b.

Sahiwal

c.

Brown Swiss

d.

Shorthorn

Question 340

Question

MCQ▾

An isotope of Cobalt is used

Choices

Choice (4)Response

a.

In finding the age of fossils

b.

In the treatment of cancer

c.

As a fuel in nuclear reactors

d.

All of the above

Question 341

Question

MCQ▾

Which of the following is a metal that exists in liquid state?

Choices

Choice (4)Response

a.

Sodium

b.

Mercury

c.

Potassium

d.

None of the above

Question 342

Question

MCQ▾

Brass is an alloy of

Choices

Choice (4)Response

a.

Copper and gold

b.

Zinc and silver

c.

Gold and silver

d.

Copper and zinc

Question 343

Question

MCQ▾

Assuming that the numbers in each set follow a similar pattern find the missing number?

Image Shows the Number in a Pattern

Choices

Choice (4)Response

a.

52

b.

49

c.

50

d.

55

Passage

Direction: Read the following carefully and answer questions

Ankita was doing experiment in the chemistry lab. She took equal quantities of liquids from the bottles labelled and in a test tube and shook well. She kept the test tube undisturbed for some time.

Question 344 (1 of 6 Based on Passage)

Question

MCQ▾

In the reaction, initial mass includes

Choices

Choice (4)Response

a.

Mass of the test tube + Mass of solution

b.

Mass of the test tube + Mass of solution + Mass of solution

c.

Mass of and

d.

Mass of the test tube + Mass of + Mass of solution

Question 345 (2 of 6 Based on Passage)

Question

MCQ▾

Name the white precipitate

Choices

Choice (4)Response

a.

Sodium Sulphate

b.

Sodium Chloride

c.

Barium Sulphate

d.

Barium Chloride

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