NSO Level 1- Science Olympiad (SOF) Class 8: Questions 433 - 440 of 1076

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Question number: 433

» Conservation of Plants and Animals

Edit
MCQ▾

Question

Black bug, elephant, cobra, wolf, wild boar

Choices

Choice (4) Response

a.

Fauna

b.

Biodiversity

c.

Endemic species

d.

Flora

Question number: 434

» Synthetic Fibres and Plastics

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MCQ▾

Question

Artificial silk is made from

Choices

Choice (4) Response

a.

Rayon fibre

b.

Cotton fibre

c.

Nylon fibre

d.

Silk fibre

Question number: 435

» Conservation of Plants and Animals

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MCQ▾

Question

One of endangered species of Indian medicinal plants is that of

Choices

Choice (4) Response

a.

Nepenthes

b.

Garlic

c.

Ocimum

d.

Podophyllum

Question number: 436

» Conservation of Plants and Animals

Edit
Matching-Pair▾

Question

Find matching pair:

Choices

Choice (4) Response

a.

Kaziranga

Musk deer

b.

Gir

Lion

c.

Sunderban

Rhinoceres

d.

None of the above

Question number: 437

» Metals and Non-Metals

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MCQ▾

Question

Metals like iron, copper and aluminium are used to make cookware. Which Property of metals is used here?

Choices

Choice (4) Response

a.

Hardness

b.

Malleability

c.

Conductivity

d.

All a. , b. and c. are correct

Question number: 438

» Metals and Non-Metals

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MCQ▾

Question

Metals are not used as handles in cook wares. Which property of metals is used here?

Choices

Choice (4) Response

a.

Metals are good conductors of heat and electricity

b.

Metals are hard

c.

Metals are malleable

d.

None of the above

Passage

Megha got a magnesium ribbon from the science lab. She burnt it, took the white ash and mixed it in water. Then she tested the solution with a litmus paper. Red litmus paper turned blue. She assumed that the ash is basic in nature.

Question number: 439 (1 of 3 Based on Passage) Show Passage

» Metals and Non-Metals

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MCQ▾

Question

The white ash referred in the experiment is

Choices

Choice (4) Response

a.

Carbon dioxide

b.

Magnesium Oxide

c.

Magnesium carbonate

d.

Magnesium dioxide

Question number: 440 (2 of 3 Based on Passage) Show Passage

» Metals and Non-Metals

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MCQ▾

Question

Which chemical property of metals is verified here?

Choices

Choice (4) Response

a.

Metals react with oxygen to form metallic oxides.

b.

Metallic oxides are basic in nature.

c.

Both a. and b. are correct

d.

None of the above

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