NSO Level 1- Science Olympiad (SOF) Class 10: Questions 200 - 206 of 986

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Question number: 200

» Periodic Classification of Elements

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MCQ▾

Question

Which of the following is most electronegative in periodic table?

Choices

Choice (4)Response

a.

Lead

b.

Fluorine

c.

Silicon

d.

Carbon

Passage

Read the passage carefully and answer Questions below.

Following the circuit and answer the below question

Diagram of the circuit

Diagram of the Circuit

Diagram of the circuit

Question number: 201 (1 of 2 Based on Passage) Show Passage

» Electricity

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MCQ▾

Question

If battery voltage, then current in the given circuit is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 202 (2 of 2 Based on Passage) Show Passage

» Electricity

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MCQ▾

Question

If battery voltage, then current in the given circuit is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 203

» Heredity and Evolution

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MCQ▾

Question

The factors which leads to speciation are

Choices

Choice (4)Response

a.

Genetic drift

b.

Variations

c.

Geographical isolation

d.

Convergent evolution

Question number: 204

» Human Eye and Colourful World

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MCQ▾

Question

A long sighted person cannot see objects clearly at a distance less than from his eye. The power of the lens needed to read an object at is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 205

» Carbon and Its Componds

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MCQ▾

Question

Acetic acid was added to a solid X kept in a test tube. Y was evolved. Y is White solid or almost colorless, transparent, with a slight hint of blue, crystalline solid or liquid. It was concluded that

Choices

Choice (4)Response

a.

X is Ammonium sulphate and Y is Hydrogen.

b.

X is calcium hydroxide and Y is water

c.

X is sodium and Y is carbon dioxide

d.

None of the above

Question number: 206

» Electricity

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MCQ▾

Question

A student connected four identical light bulbs in a circuit as shown. She observes that the brightness of bulb A varies if some of the switches are closed. In which case will bulb burn brightest?

Four identical light bulbs in a circuit

Four Identical Light Bulbs in a Circuit

Four identical light bulbs in a circuit

Choices

Choice (4)Response

a.

closed with open

b.

open

c.

closed

d.

closed with open

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