CLASS 9 PRELIMINARY ROUND

Magellan's ship Victoria after completing a round-the-world voyage in 1522 returned to which country?

• France

• Spain

• London

• USA

What is the shape of the earth?

• Sphere

• Oblate

• Oval

• Oblate Spheroid

What is the thickness of the Biosphere?

• 20km

• 19km

• 15km

• 25km

The imaginary lines running east to west on a globe are called ............... while those running north to south are called ................

• 1. Latitude, Longitude

• 1. Longitude, Latitude

• 1. Equator, Prime Meridian

• 1. All of the above.

Which of the following is true about lines of longitude?

• 1. They run parallel to the Prime Meridian.

• 1. They are full circles

• 1. They are 360 lines at 1° interval.

• 1. All of the above.

The distance between two lines of longitude is maximum at which latitude?

• 1. Tropic of Cancer

• 1. North Pole

• 1. Equator

• 1. Arctic circle

Which of the following is true about the rotation of the earth?

• 1. The earth completes one rotation in 23:56:4.09 hrs

• 1. The earth's axis passes through the poles

• 1. The speed of rotation increases as we move towards the equator

• 1. All of the above.

The period of diffused light between sunset and complete darkness is called ................

• dawn

• dusk

• twilight

• both b and c

Which of the following heat zones are correct?

• 1. Frigid Zone: 66½°N to 66½°S

• 1. Temperate Zone: 90°N to 90°S

• 1. Torrid Zone : 23½°N to 23½°S

• 1. All of the above.

What angle does the earth's axis make with the plane of earth's orbit?

• 1. 0°

• 1. 23½°

• 1. 66½°

• 1. 90°