NSO Level 1- Science Olympiad (SOF) Class 9: Questions 314 - 321 of 1123

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Question number: 314

» Biology » Health & Diseases

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MCQ▾

Question

Mayank has a history of fits, suffers from severe headache and frequent vomiting. The microbes in this case might have targeted his

Choices

Choice (4) Response

a.

Liver

b.

Brain

c.

Lungs

d.

Stomach

Question number: 315

» Chemistry » Atoms & Molecules

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MCQ▾

Question

Identify the Chemical formulae of compounds formed from the sets of elements in Nitrogen and Hydrogen

Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

Question number: 316

» Biology » Natural Resources

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MCQ▾

Question

Which of these can prevent soil erosion?

Choices

Choice (4) Response

a.

Fertilizers and pesticides

b.

Flowing water

c.

Roots of plants

d.

Winds

Passage

Direction: Neha collected information about some elements and made a table. She wants to study deeply about the elements. Please help her to find out the answers of some questions.

Table of the collected information

Table of the collected information

Element

No, of protons

No. of neutrons

X

4

5

Y

18

22

Z

20

20

Question number: 317 (1 of 5 Based on Passage) Show Passage

» Chemistry » Structure of the Atom

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MCQ▾

Question

The relation between elements Y and Z is

Choices

Choice (4) Response

a.

They are isotopes

b.

They are isobars

c.

They are inert gases

d.

Question does not provide sufficient data or is vague

Question number: 318 (2 of 5 Based on Passage) Show Passage

» Chemistry » Structure of the Atom

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MCQ▾

Question

Name the element Y

Choices

Choice (4) Response

a.

Calcium

b.

Oxygen

c.

Argon

d.

Berilium

Question number: 319 (3 of 5 Based on Passage) Show Passage

» Chemistry » Structure of the Atom

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MCQ▾

Question

Which of the following statements is true about element Z?

Choices

Choice (4) Response

a.

Number of electrons is 20

b.

Atomic number is 20

c.

Mass number is 40

d.

All a. , b. and c. are correct

Question number: 320 (4 of 5 Based on Passage) Show Passage

» Chemistry » Structure of the Atom

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MCQ▾

Question

Name the element Z

Choices

Choice (4) Response

a.

Argon

b.

Calcium

c.

Berilium

d.

Oxygen

Question number: 321 (5 of 5 Based on Passage) Show Passage

» Chemistry » Structure of the Atom

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MCQ▾

Question

Which of the following statements is true about element X?

Choices

Choice (4) Response

a.

Number of electrons is 4

b.

Mass number is 9

c.

Atomic number is 4

d.

All a. , b. and c. are correct

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