Stomatal apparatus comprises of
(1)stomatal aperture, guard cells
(2)stomatal aperture, guard and subsidiary cells
(3)stomatal aperture and guard, subsidiary and epidermal cells
(4)stomatal aperture and subsidiary cells
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn grasses, ____________cells are dumb-bell shaped
(1)subsidiary cells
(2)guard cells
(3)Both A and B
(4)stomatal apparatus
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe epidermal hairs of root are usually _________while of shoots are usually________
(1)unicellular, multicellular
(2)multicellular, unicellular
(3)multicellular, multicellular
(4)unicellular, unicellular
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is true for trichomes
(1)usually multicellular
(2)may be branched or unbranched
(3)prevent transpirational water loss
(4)All of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one is incorrect statement
(1)subsidiary cells are specialised epidermal cells
(2)cuticle is always present on epidermal tissue system
(3)cuticle is absent in roots
(4)Guard cells surround the stoma
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyStomata is a part of which type of tissue system
(1)Epidermal tissue system
(2)Ground tissue system
(3)Vascular tissue system
(4)Both A and B
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one is true regarding epidermis?
(1)usually single layered
(2)made up of parenchymatous cells
(3)outermost layer of the primary plant body
(4)All of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyEpidermal tissue system consists of
(1)epidermal cells
(2)stomata
(3)trichomes, root hairs
(4)All of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMetaphloem contains _________sieve tubes while protophloem contains____________ sieve tubes.
(1)bigger, narrow
(2)narrow, bigger
(3)narrow, no
(4)no, bigger
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich element of the phloem becomes dead at maturity
(1)sieve tube elements
(2)companion cells
(3)phloem parenchyma
(4)phloem fibres
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology