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

Q.  Water evaporates from tiny pores on the lower part of leaf. These pores are known as

a. cuticles
b. lenticels
c. epidermis
d. stomata


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  The cross walls of phloem vessels are known as
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MCQs:  The vessel that carries mineral salts from the roots to leaves is
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MCQs:  The force acting on water and minerals from bottom is known as
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MCQs:  As the light intensity increases the rate of transpiration is also
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MCQs:  Some amount of mineral salts enter the roots by the process of
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MCQs:  More force is required to pull water and minerals up to the leaves of
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MCQs:  As wind blows, it takes water vapors away from plant and decreases the humidity. This process
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MCQs:  Root' cells contain a large amount of
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MCQs:  Most of the oxygen from soil is dissolved in
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MCQs:  The flow of water and mineral salts from roots to leaves by xylem is known as
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MCQs:  Xylem is a vessel in plants which takes
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MCQs:  When temperature of the surroundings increases, the speed of transpiration is also
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MCQs:  The movement of food in the phloem depends on
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MCQs:  When photosynthesis is faster than the rate of respiration
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MCQs:  The oxygen in water is absorbed by the roots through
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MCQs:  A membrane that lets some particles to pass through is known as
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MCQs:  For transportation of food and minerals, plants have
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MCQs:  Xylem' and 'phloem' vessels are found in
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MCQs:  The transportation of food and mineral salts from leaves to all other parts of the plant by phloem is known as
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MCQs:  Dissolved minerals and water is taken from roots to leaves by the vascular bundle named
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