NSO Level 1- Science Olympiad (SOF) Class 10: Questions 484 - 488 of 986

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Question number: 484

» Heredity and Evolution

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MCQ▾

Question

A genetic factor that is blocked by the presence of a dominant factor is called

Choices

Choice (4) Response

a.

Dominant

b.

Segregation

c.

Recessive alleles

d.

None of the above

Question number: 485

» Electricity

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MCQ▾

Question

Rubber is an example of

Choices

Choice (4) Response

a.

Semiconductor

b.

Conductor

c.

Electrical cell

d.

Insulator

Question number: 486

» Reproduction in Organisms

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MCQ▾

Question

Which is the following is not correct for vasectomy?

Choices

Choice (4) Response

a.

Vasectomy is also known as sterilization techniques

b.

Vasectomy is a surgical cutting of vasa deferentia of the male for sterilization

c.

Vasectomies are meant to be Temporary

d.

Vasectomy is done through a small incision in the scrotum

Question number: 487

» Periodic Classification of Elements

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MCQ▾

Question

Which are the correct statements for carbon and silicon?

Statement 1: The silicon carbide is almost as hard as a diamond,

Statement 2: Silicon’s mica is the silicon version of carbon’s graphite.

Statement 3: One form of carbon, called graphite, is one of the softest elements known.

Choices

Choice (4) Response

a.

Statements 1,2 and 3 are correct

b.

Statements 1 and 3 are correct

c.

Statements 2 and 3 are correct

d.

Statements 1 and 2 are correct

Question number: 488

» Reproduction in Organisms

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MCQ▾

Question

Which is not part of type of plant culture?

Choices

Choice (4) Response

a.

Anther Culture

b.

Callus Culture

c.

Cell Suspension Culture

d.

None of the above

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