In dicot leaf vascular bundle are surrounded by _________which are mostly made up of thick walled_________

(1)bundle sheath, parenchyma

(2)bundle sheath, sclerenchyma

(3)bundle sheath, collenchyma

(4)spongy parenchyma

Subtopic:  Vascular Tissue System |
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How many of the  followings are not present in the dicot leaf

Epidermis, hypodermis, endodermis, pericycle, pith, medullary rays

(1)6

(2)5

(3)4

(4)3

Subtopic:  Dicot Leaf |
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Monocot leaf is

(1)Isobilateral

(2)equifacial

(3)bifacial

(4)Both A and B

Subtopic:  Monocot Leaf |
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In monocot leaf, Mesophyll is differentiated into

(1) Spongy and palisade parenchyma

(2)only spongy parenchyma

(3)no differentiation of mesophyll

(4)only palisade parenchyma

Subtopic:  Monocot Leaf |
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In grasses, bulliforms are formed from

(1)epidermis only

(2)epidermis and veins

(3)epidermis and hypodermis

(4)Both 1 and 3

Subtopic:  Monocot Leaf |
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Bulliform cells are

(1)small, empty, and colourless

(2)large, empty and colourless

(3)large and photosynthetic

(4) large and fluid filled and colourless

Subtopic:  Monocot Leaf |
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In grasses leaves are exposed when bulliform cells becomes­­­­_________ and leaves curl inwards when they are _________

(1)flaccid ,turgid

(2)plasmolysed, turgid

(3)turgid, flaccid

(4)Both B and A

Subtopic:  Monocot Leaf |
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In onion and garlic, the leaves are

(1)cylindrical

(2)bifacial

(3) unifacial

(4) Both A and C

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Dicot leaves are ____________and monocot leaves are _______________.

(1) hypostomatic and amphistomatic

(2) amphistomatic and hypostomatic

(3) Astomatic and amphistomatic

(4) epistomatic and hypostomatic

Subtopic:  Dicot Leaf |
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Secondary growth is because of

(1)vascular cambium

(2)cork cambium

(3)lateral meristem

(4)All of the above

Subtopic:  Secondary Growth in Root |
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