Chapter 24: Transportation in Plants - Science Mcqs for Grade 7


Q.  The vessel that carries mineral salts from the roots to leaves is

a. xylem
b. phloem
c. branch
d. stem


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  The main force that pulls water and dissolved mineral salts from the roots to the leaves is due to the process of
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MCQs:  The stem is strong due to
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MCQs:  During respiration, oxygen is
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MCQs:  Stem is kept on the ground due to the
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MCQs:  The phenomenon of movement of particles from higher concentration to lower concentration without the use of energy is known as
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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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