NSO Level 1- Science Olympiad (SOF) Class 7: Questions 199 - 204 of 597

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Question 199

Question

MCQ▾

Silk fibre when burnt smells like burning hair. The reason of this is that both silk fibre and hair are made of

Choices

Choice (4)Response

a.

Vitamins

b.

Fats

c.

Carbohydrates

d.

Proteins

Question 200

Question

MCQ▾

The following are the chemical properties for which metal?

  1. Resistant to corrosion.
  2. It is soft and malleable.
  3. It melts at 660oC.

Select the correct option.

Choices

Choice (4)Response

a.

Iron

b.

Steel

c.

Aluminum.

d.

Copper

Question 201

Question

MCQ▾

A cold steel spoon is dipped in a cup of tea. The spoon gets warm.

The above statement is example of which of the following?

Image Showing Cup of Tea

Choices

Choice (4)Response

a.

Convection

b.

Insulation

c.

Conduction

d.

Question does not provide sufficient data or is vague

Question 202

Question

MCQ▾

Which of the following is the chemical name for Blue Vitriol?

Choices

Choice (4)Response

a.

Magnesium Sulphate

b.

Ferrous Sulphate

c.

Copper Sulphate

d.

Zinc Sulphate

Question 203

Question

MCQ▾

Refer the given picture and select the option that correctly identifies the fiber.

Identifies the Fiber

Choices

Choice (4)Response

a.

Cotton

b.

Wool

c.

Silk

d.

Nylon

Question 204

Question

MCQ▾

Identify the given image and select the correct option which indicates the mode of nutrition used by the given organism.

Image Showing the Types of Nutrition

Choices

Choice (4)Response

a.

Parasitic nutrition

b.

Autotrophic nutrition

c.

Saprotrophic nutrition

d.

Symbiotic nutrition.

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