Everyday Science — All MCQs
2717 questions available
Q21.Electromagnetic Spectrum visible for human eye?
Correct Answer: A
The visible light spectrum for the human eye ranges approximately from 378 to 750 nanometers.
Q22.Slate is formed by :
Correct Answer: A
Slate is a metamorphic rock formed from mudstone or volcanic ash under heat and pressure.
Q23.Metamorphosis is:
Correct Answer: A
Metamorphosis is the biological process of dramatic physical transformation from a juvenile to an adult stage.
Q24.Who presented the theory of relativity?
Correct Answer: B
Albert Einstein presented the theory of relativity.
Q25.Anything revolves around the sun is called:
Correct Answer: C
An object that revolves around the sun is called a planet.
Q26.Systolic Pressure :
Correct Answer: A
Normal systolic blood pressure is around 120 mm Hg.
Q27.Which process is used in microwave oven?
Correct Answer: A
Microwave ovens use dielectric heating to heat food.
Q28.Shortest distance between two points:
Correct Answer: A
The shortest distance between two points, in a specific direction, is called displacement.
Q29.In fluvial process, the rills are small and shallow channels?
Correct Answer: A
Rills are small, shallow channels that can develop into larger gullies through erosion.
Q30.First Type writer for the Commercial Purpose was made by?
Correct Answer: A
The first commercially successful typewriter was invented by Christopher Latham Sholes.
Q31.Gulf stream current present in which ocean?
Correct Answer: A
The Gulf Stream is a warm ocean current present in the North Atlantic Ocean.
Q32.Pynocline is a :
Correct Answer: A
A pycnocline is a layer in the ocean where water density changes rapidly with depth.
Q33.Ginger is a:
Correct Answer: A
Ginger is actually a rhizome, which is a type of underground stem.
Q34.Sunlight takes how much time to reach the earth?
Correct Answer: A
Sunlight takes approximately 8 minutes 20 seconds to reach the Earth.
Q35.Viruses are:
Correct Answer: A
Viruses are obligate parasites, as they can only reproduce inside a living host cell.
Q36.Which of the following cannot prepare its own food?
Correct Answer: C
Mushrooms (fungi) cannot prepare their own food; they are heterotrophic organisms.
Q37.Which of the following is not the Crystalline?
Correct Answer: A
Plastic is amorphous, not crystalline, unlike table salt, diamond, and quartz.
Q38.The Material found in the stream is called ?
Correct Answer: A
Per the answer key, the material deposited/found in a stream is referred to as option A.
Q39.What is the weight at the centre of Earth If weight is 200N on Earth?
Correct Answer: D
At the center of the Earth, gravitational forces cancel out, making weight zero.
Q40.Who developed the first Cholera vaccine?
Correct Answer: D
Jaime Ferran developed the first cholera vaccine in 1885.