Question : The physics phenomenon when, in polar regions like Alaska and Northern Canada, a splendid display of colours is seen in the sky is called a/an:
Option 1: star intrinsic luminosity
Option 2: star shower
Option 3: active galactic nucleus
Option 4: aurora borealis
Correct Answer: aurora borealis
Solution : The correct answer is aurora borealis.
In polar regions such as Alaska and northern Canada, a stunning display of colours can be seen in the sky, which is known as the northern lights, or aurora borealis. When this phenomenon occurs in the Southern Hemisphere, it is called Aurora australis.
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Question : Directions: If air is called green, green is called blue, blue is called sky, sky is called yellow, yellow is called water, and water is called pink then what is the colour of a clear sky?
Option 1: Sky
Option 2: Water
Option 3: Blue
Option 4: Yellow
Question : Select the most appropriate meaning of the given idiom. True colours.
Option 1: Black and white.
Option 2: Light colours.
Option 3: Real character.
Option 4: Bright colours.
Question : According to the Koppen classification, which regions experience cold, humid winters with short summers?
Option 1: Western Rajasthan
Option 2: Northern Madhya Pradesh
Option 3: South of Goa
Option 4: Arunachal Pradesh
Question : The phenomenon of deviation of light rays from their original path when they pass from one medium to another is called ______.
Option 1: reflection
Option 2: refraction
Option 3: obstruction
Option 4: diffraction
Question : The phenomenon whereby the female gamete undergoes development to form new organisms without fertilization in some organisms like rotifers, honeybees, some lizards, and birds is called:
Option 1: Apomixis
Option 2: Parthenogenesis
Option 3: Budding
Option 4: Fragmentation
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