General Science/Everyday Science MCQs
Topic Notes: General Science/Everyday Science
MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
41
Pluto is now classified as a
Answer:
Dwarf planet
In 2006, the IAU reclassified Pluto as a dwarf planet because it has not 'cleared the neighborhood' around its orbit, sharing its path with other objects in the Kuiper Belt.
42
The asteroid belt lies between
Answer:
Mars and Jupiter
The asteroid belt is a region between the orbits of Mars and Jupiter that contains millions of rocky bodies. It acts as a boundary between the inner terrestrial planets and the outer gas giants.
43
Which planet has the most moons?
Answer:
Saturn
Saturn is the planet with the most moons in our Solar System, with over 140 confirmed moons. These range from tiny moonlets to the massive Titan, which has a thick atmosphere.
44
Which planet is closest to the Sun?
Answer:
Mercury
Mercury is the closest planet to the Sun. It orbits the Sun quickly (in about 88 Earth days) and experiences extreme temperature fluctuations between its day and night sides.
45
Which planet is known as the 'Red Planet'?
Answer:
Mars
Mars is known as the Red Planet due to the iron oxide prevalent on its surface. It is a terrestrial planet with features like volcanoes, valleys, and polar ice caps.
46
The largest planet in our Solar System is
Answer:
Jupiter
Jupiter is the largest planet in our Solar System, with a mass more than two and a half times that of all the other planets combined. It is a gas giant primarily composed of hydrogen and helium.