Solar System Quiz: Planetary Paths and Features

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What regulates the paths of the planets in the solar system?

Gravity from distant stars

The rotation of the Earth

Galaxies

The sun (correct)

Which of the following is NOT covered in the chapter on the solar system?

Causes of living beings’ habitation

Time difference between Bangladesh and other countries

History of ancient civilizations (correct)

Formation of subterranean

Which concept describes the imaginary lines used for time zones?

Planets

Galaxies

Ellipses

Meridians (correct)

What effect does the Earth's diurnal motion have?

It leads to day and night. (C) Signup and view all the answers

What is the significance of the prime meridian in geography?

It serves as the starting point for measuring longitude. (D) Signup and view all the answers

What is the average distance of Mercury from the sun?

5.8 crore kilometers (C) Signup and view all the answers

Which planet has an atmosphere composed of 96% carbon dioxide?

Venus (D) Signup and view all the answers

How many days does it take Mars to orbit the sun?

687 days (D) Signup and view all the answers

What is the main reason for Mercury's high surface temperatures?

Proximity to the sun (D) Signup and view all the answers

Which planet is known to have two natural satellites?

Mars (D) Signup and view all the answers

What is the primary composition of the Sun?

Hydrogen (55%) and helium (44%) (D) Signup and view all the answers

Which planet is known for having rings composed of dust and ice particles?

Saturn (C) Signup and view all the answers

Which of the following statements about planets in the solar system is true?

The eight planets do not produce their own light or heat. (D) Signup and view all the answers

Which is the smallest planet in the solar system?

Mercury (B) Signup and view all the answers

What is the distance of the Earth from the Sun?

150 million kilometers (D) Signup and view all the answers

Which planet possesses a dense atmosphere and has a low surface temperature?

Jupiter (B) Signup and view all the answers

What is the orbital period of Saturn?

29 years 5 months (C) Signup and view all the answers

How many significant satellites does Neptune have?

14 (B) Signup and view all the answers

Which planet is known for being the largest in the solar system?

Jupiter (B) Signup and view all the answers

What is unique about Earth's atmosphere compared to the other planets mentioned?

It protects from harmful ultra-violet rays. (A) Signup and view all the answers

What is the role of the ozone layer in the atmosphere?

It absorbs harmful ultraviolet radiation from the sun. (B) Signup and view all the answers

Which gas is essential for plants to perform photosynthesis?

Carbon Dioxide (CO₂) (A) Signup and view all the answers

What is the maximum density of the atmosphere located?

At sea level. (D) Signup and view all the answers

What average surface temperature does Earth maintain, suitable for living organisms?

13.90°C (B) Signup and view all the answers

Which factors could negatively impact the atmosphere and environment?

Human activities like deforestation and pollution. (B) Signup and view all the answers

What is the primary composition of the Earth's inner core?

Iron and nickel (B) Signup and view all the answers

What is the radius of the Earth's outer core?

2270 km (D) Signup and view all the answers

Which layer of the Earth is primarily composed of rocks and minerals?

Crust (C) Signup and view all the answers

What is the extent of the Earth's mantle in terms of depth?

From the core's upper level to approximately 2885 km (C) Signup and view all the answers

Which of the following elements is abundant in the Earth's crust?

All of the above (D) Signup and view all the answers

What is the position of the Prime Meridian in terms of longitude?

0° longitude (A) Signup and view all the answers

How much local time difference corresponds to one degree of longitude?

4 minutes (D) Signup and view all the answers

Meridians are essential for determining which of the following?

Local time (D) Signup and view all the answers

What does latitude measure?

Position north or south of the Equator (D) Signup and view all the answers

Which statement accurately describes the relationship between meridians and the Prime Meridian?

Other meridians are measured by their angle from the Prime Meridian. (B) Signup and view all the answers

How is local time at a location determined?

By knowing the longitude relative to the Greenwich Meridian (B) Signup and view all the answers

What does each degree of longitude correspond to in terms of time difference?

4 minutes difference in time (A) Signup and view all the answers

A location 10° West of Greenwich will be how many minutes behind Greenwich Mean Time (GMT)?

40 minutes behind GMT (B) Signup and view all the answers

What is the significance of the Greenwich Meridian in context to time zones?

It serves as the starting point for measuring longitude and time. (B) Signup and view all the answers

Which of the following statements correctly describes Greenwich Mean Time (GMT)?

It is the time at the Greenwich Meridian and serves as a reference for other time zones. (A) Signup and view all the answers

What is the local time determined by?

The angle of the sun at a specific longitude (A) Signup and view all the answers

If it is noon in Dhaka, how much later is it in Seoul?

6 PM (B) Signup and view all the answers

What is the standard time for Bangladesh relative to Greenwich Mean Time?

6 hours ahead (D) Signup and view all the answers

What is the meridian of Seoul, given that Dhaka is at 90° East?

128° East (A) Signup and view all the answers

How many minutes of time difference does one degree of longitude represent?

4 minutes (A) Signup and view all the answers

Which line serves as the reference for measuring longitude?

Prime Meridian (D) Signup and view all the answers

What shape is the Earth described as in the document?

Oblate spheroid (C) Signup and view all the answers

Why are coordinates important for determining locations on Earth?

They provide a standardized method for positioning on a spherical object (D) Signup and view all the answers

What are meridians?

Lines of longitude running from pole to pole (D) Signup and view all the answers

What is the primary function of the Equator?

To mark 0 degrees latitude (A), To divide the Earth into Northern and Southern Hemispheres (D) Signup and view all the answers

Which parallels of latitude are significant for climate patterns?

Tropic of Cancer and Antarctic Circle (A), Arctic Circle and Tropic of Capricorn (D) Signup and view all the answers

How is the Earth's circumference measured for precise location identification?

With degrees, minutes, and seconds (B) Signup and view all the answers