anatomy of flowering plants Flashcards

1
Q

plant anatomy

A

study of internal structures in their organisation

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2
Q

father of plant anatomy

A

N. grew

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3
Q

TISSUE -

A

group of cells

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4
Q

origin of tissues

A

common

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5
Q

function

A

specific

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6
Q

cell shape

A

similar or dissimilar

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7
Q

plant tissue divided into

A

Meristematic and permanent tissue

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8
Q

meristematic tissue

A

dividing

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9
Q

permanent tissue

A

non-dividing

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10
Q

function of meristematic tissue

A

growth of plant body

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11
Q

functions of permanent tissue

A

absorption,photosynthesis,conduction,protection.food storage.

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12
Q

types of meristem based on origin

A

primary and secondary

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13
Q

origin of primary tissue

A

embryonic meristem

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14
Q

origin of secondary meristem

A

by de-differentiation of permanent tissue

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15
Q

function of pmt

A

primary growth

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16
Q

function of smt

A

secondary growth

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17
Q

types of meristem based on their position and location

A
1=apical meristem
2= intercalary meristem
3= lateral meristem
           -vascular cambial ring 
            -cork cambium
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18
Q

origin of apical meristem

A

primary

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19
Q

apical meristem is divided into

A
  • shoot apical meristem

- root apical meristem

20
Q

position of sam

A

axis of shoot(stem)

21
Q

position of ram

A

sub-apical or sub-terminal

22
Q

functions of sam

A
  • primary growth
  • forms leaf primordia on lateral side
  • some cells left behind and form axillary bud
23
Q

functions of ram

A
  • forms root axis

- forms root cap

24
Q

2= intercalary meristem

developed from

A

separation of meristematic cells from apical meristem

25
Q

origin

A

primary

26
Q

location

A

between permanent tissue

-near to apical meristem

27
Q

functions of intercalary meristem

A
  • help in primary growth
  • internodal elongation
  • regeneration of grasses
  • growth of leaf
28
Q

3=lateral meristem

- position

A

along or parallel to longitudinal axis

29
Q

function

A

secondary growth

30
Q

PERMANENT TISSUE

divided into

A

simple | complex

31
Q

PARENCHYMA also known as

A

soft tissue | universal tissue | fundamental tissue | most distributed tissue | first evolved tissue

32
Q

cells

A

protoplasmic

33
Q

shape

A

spherical , oval , polygonal , elongated ,

34
Q

cell wall

A
  • cellulosic
  • thin
  • flexible
  • pit field present
35
Q

non- mechanical tissue

A

special modifications of parenchyma

36
Q

chlorenchyma

A
  • green parenchyma

- photosynthetic

37
Q

chlorenchyma also known as

A

mesophyll

38
Q

present in

A

middle of leaf

39
Q

Aerenchyma

A

found in hydrophytes

- intercellular spaces filled with air

40
Q

idioblast

A

special storage cells

41
Q

epidermis

A

non green

42
Q

storage

A
  • food material
  • potato tuber
  • cortex
  • endodermis of stem
  • pith/medulla
43
Q

_ COLLENCHYMA_

A

thick at corner

|deposition of pectocellulose

44
Q

functions

A

assimilatory (photosynthetic)

-provide mechanical strength

45
Q

SCHLERENCHYMA

A

hard tissue

non-protoplasmic

46
Q

functions-

A

provide mechanical strength

47
Q

types

A

schlerides | schlerenchymatous