10 self study question with answer--16

Question 1

Which of the following is known as the “Pearl City”?

  Kandala

  Tuticorin

  Hyderabad

  Kochi

It's 'Tuticorin '
Tuticorin is known as "Pearl City" due to the pearl fishing carried out in the town. It is a commercial seaport which serves the inland cities of Southern India and is one of the sea gateways of Tamil Nadu.

Question 2

A nautical mile is equal to ______.

  5060 feet

  9280 feet

  7060 feet

  6076 feet

It's '6076 feet '
A nautical mile is a unit of distance that is approximately one minute of arc measured along any meridian. By international agreement it has been set at about 6,076 feet.

Question 3

Which planet has largest planetary magnetosphere in the solar system?

  Earth

  Jupiter

  Mars

  Neptune

It's 'Jupiter '
The magnetosphere of Jupiter is the largest planetary magnetosphere in theSolar system. Jupiter’s magnetosphere is stronger than Earth’s by an order ofmagnitude and its magnetic moment is approximately 18,000 times larger.

Question 4

Big Bang theory explains _______.

  Origin of Universe

  Origin of Sun

  Laws of physics

  None of above

It's 'Origin of Universe '
Big Bang theory explains origin of universe. It was formulated and proposedby the Belgian astronomer and cosmologist "Georges Lemaitre".

Question 5

The hottest planet is _______.

  Mercury

  Venus

  Jupiter

  Saturn

It's 'Venus '
The hottest planet in our solar system is Venus.

Question 6

What is the International Date Line?

  It is the equator

  It is the 0 degree longitude

  It is the 90 degree east longitude

  It is the 180 degree longitude

It's 'It is the 180 degree longitude '
The International Date Line (IDL) is an imaginary line of longitude on the Earth's surface located at about 180 degrees east (or west) of the Greenwich Meridian.

Question 7

Days and Nights are equal throughout the globe when the sun is above _______.

  Poles

  Tropic of cancer

  Equator

  Tropic of Capricorn

It's 'Equator '
Equator is imaginary line on the Earth's surface equidistant from the North Pole and South Pole, dividing the Earth into the Northern Hemisphere and Southern Hemisphere.

Question 8

The approximate circumference of the Earth is ______.

  13000 km

  20000 km

  25000 km

  40000 km

It's '40000 km '
The circumference of the Earth is 40,075 km.

Question 9

Which of the following country is the most populous country?

  China

  Malaysia

  Sri Lanka

  USA

It's 'China '
China, a communist nation in East Asia is the world’s most populous country. Its vast landscape encompasses grassland, desert, mountain ranges, lakes, rivers and 14,500km of coastline.

Question 10

Which one of the following is not a plantation crop?

  Tea

  Rubber

  Coffee

  Sugrcane

It's 'Sugrcane '
Plantation crop refers to monoculture crops which are cultivated on an extensive scale over a large. Because of their large size, a plantation can takeadvantage of economies of scale.