NSO Level 1- Science Olympiad (SOF) Class 10: Questions 893 - 897 of 986

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Question 893

Question

MCQ▾

Read the given statements and mark the correct option

Statement 1: Silicon is used for making solar panel

Statement 2: In solar panel, silver is used for inter connection of cells

Choices

Choice (4)Response

a.

Only statement 1 is correct

b.

Only statement 2 is correct

c.

Both a. and b. are correct

d.

None of the above

Question 894

Question

MCQ▾

Which metal is not found in a human blood?

Choices

Choice (4)Response

a.

Iron

b.

Fluorine

c.

Cobalt

d.

Calcium

Question 895

Question

MCQ▾

Read the given statements and mark the correct option.

Statement 1: The number of atoms of each element remains the same, before and after a chemical reaction.

Statement 2: is balance equation.

Choices

Choice (4)Response

a.

Statements 1 and 2 are false

b.

Only Statement 2 is true

c.

Statements 1 and 2 are true

d.

Only Statement 1 is true

Question 896

Question

MCQ▾

The various links or steps in a food chain at which the transfer of food and energy takes place are known as

Choices

Choice (4)Response

a.

Radioactive waste

b.

Grasses ecosystem

c.

Trophic level

d.

Any of the above

Question 897

Question

MCQ▾

A schematic diagram of Aquatic ecosystem is given below. Identify the aquatic organisms at place A, B and C

Aquatic Ecosystem

Choices

Choice (4)Response

a.

Fungi, Cyanobacteria and Frog

b.

Snapper Fish, Spirogyra and Zooplankton

c.

Zooplankton, Mackerel and Fungi

d.

Zooplankton, Mackerel and Snapper Fish

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