Which 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

Subtopic:  Epidermal Tissue System |
 72%
From NCERT
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Which 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

Subtopic:  Epidermal Tissue System |
 95%
From NCERT
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The epidermal hairs of root are usually   _________while of shoots are usually________

(1)unicellular, multicellular

(2)multicellular, unicellular

(3)multicellular, multicellular

(4)unicellular, unicellular

Subtopic:  Epidermal Tissue System |
 90%
From NCERT
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In grasses, ____________cells are dumb-bell shaped

(1)subsidiary cells

(2)guard cells

(3)Both A and B

(4)stomatal apparatus

Subtopic:  Epidermal Tissue System |
 90%
From NCERT
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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

Subtopic:  Epidermal Tissue System |
 80%
From NCERT
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Stomata 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

Subtopic:  Epidermal Tissue System |
 83%
From NCERT
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Which 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

Subtopic:  Epidermal Tissue System |
 97%
From NCERT
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Epidermal tissue system consists of

(1)epidermal cells

(2)stomata

(3)trichomes, root hairs

(4)All of the above

Subtopic:  Epidermal Tissue System |
 96%
From NCERT
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Metaphloem contains _________sieve tubes while protophloem contains____________ sieve tubes.

(1)bigger, narrow

(2)narrow, bigger

(3)narrow, no

(4)no, bigger

Subtopic:  Vascular Tissue System |
 78%
From NCERT
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Which element of the phloem becomes dead at maturity

(1)sieve tube elements

(2)companion cells

(3)phloem parenchyma

(4)phloem fibres

Subtopic:  Complex Tissue: Phloem |
 71%
From NCERT
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