Fine organic or inorganic particles suspended in air is called _______________...? Mcqs

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Fine organic or inorganic particles suspended in air is called _______________...?

(A) particulate pollutant
(B) gaseous pollutant

(C) aerosol
(D) none of these

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Upon completion in 2029, which of the following will become the most powerful telescope in the world...?

(A) James webb 5.0 telescope
(B) Giant Magellan space telescope

(C) The Vainu Bappu Telescope
(D) Hubble space telescope 2.0

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Light reaches us from the Sun is about 8 minutes and from Sirius in about _____...?

(A) 8 minutes
(B) 8 days

(C) 8 months
(D) 8 years

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Which one of the following incorrectly shows the types of vertebrates through its examples...?

(A) Reptile → Snake
(B) Bird → Ostrich

(C) Amphibian → Toad
(D) Mammal → Shark

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Heat of sun reaches the earth by ___________...?

(A) Convection
(B) radiation

(C) Conduction
(D) None of these

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Mach number is used in connection with the speed of___________...?

(A) Ship
(B) Light

(C) Sound
(D) aircraft

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A fixed temperature at which a pure liquid boils is called ______...?

(A) Melting point
(B) Freezing point

(C) Boiling point
(D) Both 'a' and 'b'

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Earth observation satellites are used for _____...?

(A) TV signal broadcasting
(B) Mapping

(C) Telecommunication
(D) Space exploration

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A substance that can donate a pair of electron to form coordinate covalent bond...?

(A) Lewis acid
(B) Lewis base

(C) Bronsted—Lowery acid
(D) Bronsted-Lowery base

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Through which organ does a fish respire...?

(A) Nose
(B) Lungs

(C) Gills
(D) Fins

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