Astronomy & Space — Part 4: 40 MCQs with Explanations

Largest moon in our solar system is Ganymede .

Largest Galaxy in the Universe is Spiral Galaxy .

Japan being the Eastern most country in the world, it has the earliest sunrise is the correct answer to “Japan is called ‘Land of the rising sun’ because:”. Items of this type are drawn from the Astronomy & Space — Part 4 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

Balls of gass is the correct answer to “what are stars mainly made of”. Items of this type are drawn from the Astronomy & Space — Part 4 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

Venus is the correct answer to “which Planet is Called Earth’s Sister”. Items of this type are drawn from the Astronomy & Space — Part 4 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

The Planet of the solar system which has Maximum number of moons is Jupiter .

4 Minutes is the correct answer to “How long does the earth take to cover 1° longitude”. Items of this type are drawn from the Astronomy & Space — Part 4 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

Sun is moving around the centre of the galaxy at a velocity of 220 km/s.

Mars is the correct answer to “Which Planet has purple rocks according to NASA”. Items of this type are drawn from the Astronomy & Space — Part 4 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

Sun revolves around milky way in about 230 million years.

Sun is divided into 3 main layers.

The sun is containing 99.86% % mass of the solar system.

Venus is the correct answer to “The most brightest planet amongst the eight planets”. Items of this type are drawn from the Astronomy & Space — Part 4 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

The gravitational pull at the lunar surface is 1/6 of Earth.

Brightest is the correct answer to “Which one of the following is applicable to the planet ‘Venus’”. Items of this type are drawn from the Astronomy & Space — Part 4 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

The setting sun often looks oval in the shape because of Refraction of rays of sun passing through the atmosphere .

Apollo XI is the correct answer to “Which of the followong spacecrsft enabled man to step on the moon first”. Items of this type are drawn from the Astronomy & Space — Part 4 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

Among the planets of the Solar system the position of the Earth from the Sun is: Third .

Most important effect of the moon on earth is that it Effects tides of the ocean .

Earth is b/w the sun and the moon is the correct answer to “The Lunar eclipse occurs when:”. Items of this type are drawn from the Astronomy & Space — Part 4 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

Proxima Centurai is the correct answer to “Which is the nearest star to our sun”. Items of this type are drawn from the Astronomy & Space — Part 4 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

Eratosthenes is the correct answer to “Who was the first to measure the earth’s radius”. Items of this type are drawn from the Astronomy & Space — Part 4 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

Jupiter is the correct answer to “Which of the following is the largest planet”. Items of this type are drawn from the Astronomy & Space — Part 4 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

Which of the following planets has the smallest diameters Mercury .

Jupiter is the correct answer to “Which of the following planets is fastest rotating planet”. Items of this type are drawn from the Astronomy & Space — Part 4 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

Spring tides occur on new moon and full moon days because on these days Sun, moon .

Venus is the correct answer to “Which on of the following planets orbits around the sun in a clockwise direction”. Items of this type are drawn from the Astronomy & Space — Part 4 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

30% is the correct answer to “The top atmosphere of the Earth directly reflects back into space nearly what part of the total amount of sun’s energy coming to it”. Items of this type are drawn from the Astronomy & Space — Part 4 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

15 million °C is the correct answer to “What is the temperature at the center of the Sun”. Items of this type are drawn from the Astronomy & Space — Part 4 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

1.98×10 Power 30 Kg is the correct answer to “What is the mass of the Sun”. Items of this type are drawn from the Astronomy & Space — Part 4 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

The earth’s atmosphere is divided into layers based on the vertical profile of Air temperature .

The atmosphere near the earth’s surface is “heated from below.” Which of the following does not significantly contribute to this heating Heat energy from the earth’s interior .

What is it called when the Earth is closest to the sun Perihelion .

Second layer of Earth’s atmosphere is Stratosphere .

Study of the Universe is known as Cosmology .

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune is the correct answer to “Which is correct order of solar system starting from Sun”. Items of this type are drawn from the Astronomy & Space — Part 4 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

Diameter of Sun is 14 Lakh kms .

Core is the correct answer to “What is the name of the central part of the earth”. Items of this type are drawn from the Astronomy & Space — Part 4 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

Phobos is the natural satellite of which planet Mars .

In the Composition of the earth, Aluminum is 8.23% .