General Knowledge MCQs
Topic Notes: General Knowledge
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
801
A day on Venus is longer than what?
Answer:
A year on Venus
Venus rotates so slowly that it takes 243 Earth days to rotate once (a day), but only 225 Earth days to orbit the sun (a year).
802
Where is the Heart of a Shrimp located?
Answer:
Head (Thorax)
A shrimp's heart is located in its head (thorax) region.
803
Which animal does not have a stomach?
Answer:
Platypus
Platypuses do not have a stomach. Their esophagus connects directly to their intestines.
804
The 'hashtag' symbol (#) is technically called what?
Answer:
Octothorpe
While commonly called a hashtag or pound sign, the official technical name for the symbol is an 'octothorpe'.
805
What is the collective noun for a group of crows?
Answer:
A Murder
A group of crows is famously called a 'murder' of crows.
806
Astronauts report that space smells like what?
Answer:
Ozone and burnt steak
Astronauts returning from spacewalks describe the smell of space clinging to their suits as resembling seared steak, hot metal, or welding fumes.
807
The Tyrannosaurus Rex lived closer in time to humans than to which dinosaur?
Answer:
Stegosaurus
The Stegosaurus lived about 150 million years ago, while the T-Rex lived 66 million years ago. Humans are closer to the T-Rex (66 million years) than the T-Rex was to the Stegosaurus (84 million years).
808
What is the fastest muscle in the human body?
Answer:
Orbicularis oculi (Eye muscle)
The muscles that control the eyelids are the fastest, allowing you to blink in less than 1/10th of a second.
809
How long can a snail sleep?
Answer:
3 years
Snails can go into a state of hibernation or estivation and sleep for up to three years if the weather conditions are not suitable.
810
Which of these animals is biologically immortal?
Answer:
Turritopsis dohrnii (Jellyfish)
The Turritopsis dohrnii jellyfish can revert back to its juvenile polyp stage after reaching maturity, effectively making it biologically immortal.