NSO Level 1- Science Olympiad (SOF) Class 10: Questions 267 - 270 of 986

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Question number: 267

» Human Eye and Colourful World

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MCQ▾

Question

Two XYZ and X’Y’Z’ are given.

White light is passed through XYZ as shown below.

In which of the following positions X’Y’Z’ will again yield white light?

White light is passed through XYZ

White Light is Passed through XYZ

White light is passed through XYZ

Choices

Choice (4) Response

a.

Find the positions X'Y'Z' : Choice A

Find the Positions X’Y’Z’: Choice A

Find the positions X’Y’Z’

b.

Find the positions X'Y'Z' : Choice B

Find the Positions X’Y’Z’: Choice B

Find the positions X’Y’Z’

c.

Find the positions X'Y'Z' : Choice C

Find the Positions X’Y’Z’: Choice C

Find the positions X’Y’Z’

d.

Find the positions X'Y'Z' : Choice D

Find the Positions X’Y’Z’: Choice D

Find the positions X’Y’Z’

Question number: 268

» Heredity and Evolution

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MCQ▾

Question

Disappearance of every individual of a species from the entire planet is called as

Choices

Choice (4) Response

a.

Fossil record

b.

Extinction

c.

Isolation

d.

Speciation

Question number: 269

» Periodic Classification of Elements

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MCQ▾

Question

Limitation of Doberiner’s Triads can be explained as:

Choices

Choice (4) Response

a.

Position given to isotopes

b.

Not proper position for hydrogen is given

c.

Identify only a few such triads and so the law could not gain importance

d.

None of the above

Question number: 270

» Carbon and Its Componds

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MCQ▾

Question

The International union of pure and applied chemistry devised a method of systematically naming organic compounds, which is known as the IUPAC system. According to this system what will be the name of given compound?

Choices

Choice (4) Response

a.

Ethane

b.

Propane

c.

Butane

d.

Methane

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