The top atmosphere of the Earth directly reflects back into space nearly what part of the total amount of sun’s energy coming to it...? Mcqs

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The top atmosphere of the Earth directly reflects back into space nearly what part of the total amount of sun’s energy coming to it...?

(A) 10%
(B) 20%

(C) 30%
(D) 50%

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Which triplet in DNA codes for valine ...?

(A) CTT
(B) AGU

(C) CAT
(D) AAT

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Microscopes are instrument designed to produce _____ visual image....?

(A) Magnified
(B) Enlarged

(C) Inverted
(D) Illuminated

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Recapitulation of biogenetic law was given by:...?

(A) Darwin
(B) Lamarck

(C) Haeckel
(D) Mendel

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During germination of maize seed, first part arises from the seed is...?

(A) Radical Root
(B) Cotyledon

(C) Hypocotyl
(D) Plumule

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Identify the instrument used to see the small organism, which we cannot see with naked eyes...?

(A) Telescope
(B) Microscope

(C) Binoculars
(D) Spectrometer

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Mass of Earth is___________...?

(A) 5.972 × 1024 kg.
(B) 6.972 × 1024 kg

(C) 7.972 × 1024 kg
(D) 8.972 × 1024 kg

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Which is used to remove dissolved physical and chemical impurities from water is called ____...?

(A) Distillation
(B) Chlorination

(C) Filtration
(D) Sedimentation

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Which animal can create the loudest sound among any living creature...?

(A) Donkey
(B) Monkey

(C) Humpback whales
(D) None of these

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Which of the following processes is used in water purification...?

(A) Reverse Osmosis
(B) Osmosis

(C) Cytolysis
(D) Turgor Pressure

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