Ear | MCQs

Explanation

• The orbit of the Earth around the Sun is an ellipse, meaning that it is an elongated circle, with the Sun located at one of the two foci (plural of focus) of the ellipse.
• This means that the distance between the Earth and the Sun varies throughout the year.
• With the closest point (perihelion) occurring around early January.
• With the farthest point (aphelion) occurring around early July.
  

Explanation

• The visible part of the ear is called the External Ear 
• It is also known as the Pinna or Auricle.
• It is the outer, cartilaginous structure that protrudes from the side of the head and collects sound waves, directing them into the ear canal.

Explanation

• The Ear is made up of both internal and external parts.
• The external part is the visible outer ear.
• The internal parts include the middle ear and the inner ear.
• Which contain the cochlea and the vestibular system.

Explanation

• The Ear is the body part responsible for hearing and maintaining the body's balance.
• The ear consists of the outer ear, middle ear, and inner ear.

Explanation

Venus is known as Earth's sister planet because both planets are a lot similar to each other.

Mars is called the brother of the Earth.

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Explanation

The upper part of the mantle upon which the crust of the Earth floats is known as the Asthenosphere.

Explanation

Oxygen and Silicon - the two most abundant elements in the Earth's crust - by clicking on their symbols on the Periodic Table.

Explanation

A sudden violent shaking of the ground, typically causing great destruction, as a result of movements within the earth's crust or volcanic action.

Explanation

Sun Light takes 500 seconds (8 minutes 19 seconds) to reach from the surface of the sun to the surface of the Earth.

Moonlight takes about 1.3 seconds to reach the earth's surface.

The time taken to complete one revolution of Earth around the Sun is called A year.

Explanation

The mantle–core boundary is the Gutenberg discontinuity at a depth of about 2,800 kilometres.

The outer core is thought to be liquid because shear waves do not pass through it.