MCQs: The phenomenon of movement of particles from higher concentration to lower concentration without the use of energy is known as
Category: Science Mcqs, Published by: teswesm
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MCQs: Several layers of cells at the tip of the root form
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MCQs: During respiration, carbon dioxide is
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MCQs: The small openings in the pits of the bark is known as
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MCQs: The tremendous force which pulls the water and mineral salts up to the leaves can pull these contents to the height of
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MCQs: Nitrogen is obtained from the fractional distillation of liquefied air at about
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MCQs: A greenhouse gas that absorbs energy and maintains the earth's temperature is
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MCQs: The main constituent in air is
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MCQs: On cooling, a liquid will be changed into
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MCQs: Combustion cannot take place without
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MCQs: Breathing is a process that refers to the inhaling and exhaling of
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MCQs: Greenhouse gases and other harmful gases are bringing huge damage to the atmosphere like
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MCQs: The process of burning under the presence of oxygen is known as
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MCQs: In desert areas, the water vapor content is
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MCQs: To perform fractional distillation of air, it must be liquefied and then purified to remove
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MCQs: Intake of carbon dioxide and giving out of oxygen is the only process named
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MCQs: Air is a mixture that makes up the
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MCQs: The condensation point of oxygen gas is
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MCQs: Ammonia is used to make compounds such as
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MCQs: The layer that blocks the ultraviolet (UV) rays from the sun is
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