NSO Level 1- Science Olympiad (SOF) Class 10: Questions 541 - 545 of 986

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Question number: 541

» Periodic Classification of Elements

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MCQ▾

Question

In Modern periodic table, which elements has the lowest electron affinity?

Choices

Choice (4) Response

a.

Au

b.

Hg

c.

Ti

d.

Cn

Question number: 542

» Electricity

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MCQ▾

Question

Six equal resistance in image

Six Equal Resistance in Image

Six equal resistance in image

Six equal resistance are connceted between point A, B, and C as shown in figure. Then the net resistance will be maximum between

Choices

Choice (4) Response

a.

A and C

b.

B and C

c.

A and B

d.

All of the above

Question number: 543

» Heredity and Evolution

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MCQ▾

Question

What is the following statement is incorrect for sex chromosomes in human?

Choices

Choice (4) Response

a.

The Y chromosome has one long arm and a very short second arm

b.

Individuals having one Y chromosome (YY) are male

c.

The X chromosome resembles a large autosomal chromosome with a long and a short arm

d.

Individuals having two X chromosomes (XX) are female

Question number: 544

» Heredity and Evolution

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MCQ▾

Question

Choose correct one

The main concept of Darwin’s theory are

Choices

Choice (4) Response

a.

Over production

b.

Natural selection

c.

Struggle for existence

d.

All a. , b. and c. are correct

Question number: 545

» Human Eye and Colourful World

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MCQ▾

Question

Find the incorrect option?

Choices

Choice (4) Response

a.

Newton found that when an inverted prism be placed in the path of dispersed light then after passing through prism, they recombine to form white light.

b.

The refraction of light caused by the earths is called atmospheric refraction.

c.

Light consisting of single colour or wavelength is called polychromatic light

d.

White light consists of seven colors