Plant Organization

Question 1

organ of a vascular plant and the food making factories of green plant

Answer 1

leaf

Question 2

it is a process that take place in leaf of the plant to produce glucose

Answer 2

photosynthesis

Question 3

the green color of the leaf is due to the presence of

Answer 3

chlorophyll pigment

Question 4

the part of leaf attached to the stem or branch is known as

Answer 4

leaf base

Question 5

in some leguminous plants the least base may becomes swollen which is called

Answer 5

pulvinus

Question 6

leaves of some plants possess a pair of lateral outgrowths at the base on either sides of auxiliary buds this outgrowths are called

Answer 6

stipules

Question 7

the part of leaf connecting the lamina with the branch or stem

Answer 7

petiole

Question 8

leaves that possess petiole

Answer 8

petiolate

Question 9

leaves without petiole

Answer 9

non-petiolate or sessile

Question 10

the most important green and flattened part of the leaf

Answer 10

lamina or epipodium

Question 11

it’s ventral surface is structurally different from dorsal surface

Answer 11

dorsiventral

Question 12

the leaves having both similar surfaces

Answer 12

isobilateral

Question 13

types of leaves

Answer 13

cotyledon or seed leaves
foliage leaves or green ordinary leaves
bracts
modified leaves

Question 14

the leaves being arranged on the stem in a definite manner characteristic for each species of plants

Answer 14

phyllotaxis

Question 15

type of phyllotaxis

Answer 15

alternate, opposite, whorled

Question 16

leaf base

Answer 16

sheathed, ligulate, stipulate, exstipulate, decurrent

Question 17

when lamina nearly the same width

Answer 17

filiform, acicular, tubular, linear, oblong

Question 18

when the lamina has the widest portion near the base

Answer 18

lanceolate, ovate, ensiform, cordate, sagitate, hastate, reniform

Question 19

when the lamina has the widest portion near the apex

Answer 19

obcordate, obovate, spathulate, lyrate

Question 20

apex of the leaf

Answer 20

acute, acuminate, obtuse, recurved

Question 21

margin of the leaf

Answer 21

entire, revolute, dentate, serrate, spiny, bidentate, crenate, lobed

Question 22

base of the lamina

Answer 22

symmetric, symmetric, decurrent

Question 23

venation

Answer 23

parallel, reticulate,

Question 24

surface of the lamina

Answer 24

smooth, punctate, glabrous, pubescent

Question 25

texture of the lamina

Answer 25

membranous, papery, succulent, coriaceous

Question 26

• mainly a protective layer
  it occurs on the surface of plants and it is a complex tissue consisting of epidermal cells trichomes and stomata

Answer 26

epidermis

Question 27

many layered of epidermis acts as

Answer 27

water storage tissue

Question 28

inner layer of epidermis is

Answer 28

hypodermis

Question 29

it consists of single layer of cells but some cases it may become many layers as a result of division

Answer 29

epidermal cells

Question 30

covering type

Answer 30

non glandular hairs

Question 31

• secretory function
  the foot is embedded in the epidermis and the swollen head is projecting outside

Answer 31

unicellular glandular hairs

Question 32

these are openings in the epidermis of stem and leaves

Answer 32

stomata

Question 33

kidney shape in dicots while they are dumbbell shape in monocots

Answer 33

guard cells

Question 34

the average number of stomata per square millimeter

Answer 34

stomatal number

Question 35

the guard cells during development fuse with each other by lysis of the separating walls thus the osteole becomes surrounded by a single cell

Answer 35

moss type

Question 36

the guard cells are oval or elliptical and inclined to the epidermis at an angle of approximately 45°

Answer 36

gymnospermous

Question 37

stomata are usually rectangular in outline and the guard cells are dumbbell shape, thin walled ends and narrow flat middle parts with outer and inner walls thickened

Answer 37

graminaceous

Question 38

stomata are elliptical or circular in shape as seen in surface view and surrounded by epidermal cells which vary in characters and arrangement

Answer 38

dicotyledonous

Question 39

• equal celled type
  the stoma is surrounded by three to five subsidiary cells are of varying number and almost of equal size

Answer 39

ranunculaceous or anomocytic stomata

Question 40

• parallel celled type
  the stoma is surrounded by two or three subsidiary cells two of which having their long axis parallel to the axis of the osteole

Answer 40

rubiaceous or paracytic stomata

Question 41

• cross celled type
  the stoma is surrounded by two or three subsidiary cells showing their long axis perpendicular to osteole

Answer 41

caryophyllaceous stomata

Question 42

• unequal celled type
  the stoma is surrounded by usually three or more subsidiary cells one of which is distinctly smaller than the others

Answer 42

cruciferous stomata

Question 43

form of one or more layers of cylindrical cells perpendicular to the epidermis with narrow intercellular spaces which is usually corrupted with the cortical tissues in the midrib region

Answer 43

palisade layer

Question 44

form of chlorenchyma with large irregular cells with intercellular spaces

Answer 44

spongy tissues

Question 45

the mesophyll is sometimes separated from the epidermis by one or more layers of cells divide of chlorenchyma called

Answer 45

hypodermis

Question 46

• is present in midrib region
  can be form of parenchyma as in belladonna or collenchima as uva ursi

Answer 46

cortical tissues

Question 47

it is the innermost layer of cortical tissue which is usually indistinguishable in medicinal plants

Answer 47

endodermis

Question 48

present between the phloem and cortical tissue

Answer 48

pericycle