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Biology > Structure of Flowering Plants Chp23 > Flashcards

Structure of Flowering Plants Chp23 Flashcards

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1
Q

What are the different types of roots

A

tap roots, fibrous roots, adventitious root,

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2
Q

What are tap roots

A

one main root grown from the radicle with secondary roots grown off from the main root

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3
Q

What are fibrous roots

A

group of equal sized roots formed when the radicle dies

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4
Q

What are adventitious roots

A

roots that don’t develop form the radicle

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5
Q

What are the functions of roots

A

anchor plant to soil, absorb water and minerals, transport materials to the shoots, store food in some plants

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6
Q

What are the zones in a root

A
  1. zone of protection 2. zone of cell production 3. zone of elongation 4. zone of differentiation
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7
Q

What zone would you find meristematic tissue in

A

zone of cell production

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8
Q

What is a meristem

A

a plant tissue capable of mitosis

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9
Q

What is a herbaceous plant

A

plant that doesn’t contain wood

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10
Q

What is lignin

A

a strengthening material found in some plant cell walls

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11
Q

What is a node

A

the point on a stem at which a leaf is attached

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12
Q

What is an internode

A

the region on a stem between two nodes

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13
Q

What is a bud

A

a potential growth point that may develop into a shoot, leaf or a flower

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14
Q

What is a lenticel

A

an opening on a stem for gas exchange

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15
Q

What are the functions of the stem

A

support the aerial parts of the plant, transport water and minerals to the leaves and flowers, transport food from the leaves, may store food

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16
Q

What is the structure of a leaf

A

attached to stems at nodes, stalk of leaf is called petiole, leaf blade is called the lamina, midrib and veins

17
Q

What is venation

A

the pattern of veins in a leaf

18
Q

What are the types of leaf venation

A

parallel venation and net/reticulate venation

19
Q

What are the functions of leaves

A

make food, gas exchange with the atmosphere, lose water, store food

20
Q

What are the types of tissue in flowering plants

A

dermal tissue, ground tissue, vascular tissue (xylem and phloem)

21
Q

What is the function of dermal tissue

A

protect the plant

22
Q

What is the function of ground tissue

A

photosynthesis, storage of food and waste

23
Q

What is the function of xylem

A

transport water and minerals, gives mechanical support to the plant

24
Q

What is the function of phloem

A

transport food

25
Q

What are the 2 types of xylem

A

tracheid and vessel

26
Q

What is the appearance of tracheids

A

long, tapering cells with hollow lumen/insides, pits in walls to let water pass through, supported by lignin

27
Q

What is the appearance of vessels

A

tubular structures joining end to end, wider, no end walls, pits in walls to let water pass through, hollow lumen/inside, supported by lignin

28
Q

What is the one type of phloem

A

sieve tube

29
Q

What is the appearance of sieve tubes

A

hollow lumen/inside, sieve plates at ends of them, companion cells attached

30
Q

What is the function of the companion cell

A

controls the activities of the sieve tube elements

31
Q

What are the differences between xylem and phloem

A

Xylem: carries water and minerals, dead, has lignin, no companion cells. Phloem: carries food, living, no lignin, has companion cells

32
Q

What is the location of tissues in a root

A

xylem middle in X shape, phloem surround xylem, ground tissue surround the one vascular bundle, dermal tissue around outside

33
Q

What is the location of plant tissue in a dicot stem

A

Xylem and phloem in a ring shape with xylem on inside and phloem on outside

34
Q

What is the location of plant tissue in a monocot stem

A

vascular bundles are scattered around

35
Q

What cotyledon

A

seed leaf

36
Q

What are the diffences between monocot and dicot plants

A

Monocot: one cotyledon, parallel veins, vascular bundles scattered, flower parts in multiples of 3.
Dicot: two cotyledons, network of veins, vascular bundles in ring, flower parts in multiples of 4 or 5

Biology (34 decks)

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