Anatomy Of Dicotyledonous And Monocotyledonous Plants

Question 1

in roots, outermost layer is

Answer 1

epiblema

Question 2

cortex in root is made of which types of cells

Answer 2

parenchyma

Question 3

innermost layer of cortex

Answer 3

endodermis

Question 4

shape of cells in endodermis of root
are intercellular spaces present?

Answer 4

barrel shaped
no

Question 5

walls of endodermal cells have a deposition of water-impermeable, waxy material _________ in the form of ___________ _______________

Answer 5

suberin
casparian strips

Question 6

next to endodermis is pericycle which is made of which types of cells

Answer 6

parenchyma

Question 7

functions of pericycle

Answer 7

initiation of lateral roots
initiation of vascular cambium during secondary growth

Question 8

size of pith in dicot root

Answer 8

small
inconspicuous

Question 9

parenchyma between xylem and phloem are called

Answer 9

conjuctive tissue

Question 10

usual number of xylem and phloem patches

Answer 10

two to four

Question 11

all tissues on the innerside of endodermis constitute

Answer 11

stele

Question 12

what is different in monocot root

Answer 12

more xylem bundles (polyarch)
pith is large and well developed
no secondary growth

Question 13

three subzones of cortex of dicot stem

Answer 13

hypodermis (collenchyma)
cortical layers (parenchyma)
endodermis (parenchyma)

Question 14

endodermis are called

Answer 14

starch sheath

Question 15

pericycle in dicot stem is present above the phloem in semi-lunar patches of which type of cells

Answer 15

sclerenchyma

Question 16

describe vascular bundle of dicot stem

Answer 16

conjoint open
endarch protoxylem

Question 17

pith of dicot stem is made of

Answer 17

parenchyma

Question 18

hypodermis of monocot stem is made of

Answer 18

sclerenchyma

Question 19

monocot stem has scattered vascular bundles surrounded by

Answer 19

sclerenchymatous bundle sheath

Question 20

describe vascular bundles of monocot stem

Answer 20

conjoint closed

Question 21

in monocot stem, which is larger
peripheral vascular bundle or central vascular bundle

Answer 21

central vascular bundles

Question 22

what is absent in monocot stem

Answer 22

phloem parenchyma

Question 23

dicot leaf is called

Answer 23

dorsiventral

Question 24

three main parts of dicot leaf

Answer 24

epidermis
mesophyll
vascular system

Question 25

upper surface is called

Answer 25

adaxial

Question 26

lower surface is called

Answer 26

abaxial

Question 27

which epidermis, adaxial or abaxial, bears more stomata

Answer 27

abaxial

Question 28

two types of cells in mesophyll

Answer 28

palisade parenchyma
spongy parenchyma

Question 29

difference between palisade and spongy

Answer 29

palisade are elongated
spongy are round

Question 30

are dicot leaf vascular bundles also surrounded by bundle sheath?

Answer 30

yes

Question 31

monocot leaf is also called

Answer 31

isobilateral

Question 32

difference from dicot leaf in monocot leaf

Answer 32

approx same stomata on both sides
mesophyll is not differentiated into palisade and spongy

Question 33

bulliform cells are usually found in

Answer 33

grasses

Question 34

which side are bulliform cells formed on

Answer 34

adaxial

Question 35

when bulliform cells are turgid, what happens to leaf

Answer 35

leaf surface is exposed

Question 36

when bulliform cells are flaccid, what happens to the leaf

Answer 36

inward curling

Question 37

what is turgid condition

Answer 37

water is absorbed and cells have swollen up

Question 38

what is flaccid condition

Answer 38

loss of water