Chapter 6 - Plant Body [Stem]

Question 1

(enumeration) Functions of Stem

Answer 1

Produces & support appendages of plant, Transport water and solutes, photosynthetic in some plants, produce & store materials necessary for life

Question 2

(identification) First stem of a plant develops from part of a seed embryo called _________.

Answer 2

Epicotyl, continuation of Hypocotyl

Question 3

(T/F) Internodes is the place where the leaves and buds are attached.

Answer 3

False, Nodes. Internodes is the portion between any two adjacent nodes.

Question 4

(identification) Modified leaf that cover the buds during winter season

Answer 4

Scales

Question 5

(identification) an unelongated stem constituting of short internodes and immature leaves and protected by a bud scale.

Answer 5

Bud

Question 6

(identification) Found in the apex/tip of the stem

Answer 6

Terminal bud

Question 7

(identification) found in the nodal section where the leaves are attached

Answer 7

Lateral bud

Question 8

(identification) buds arising from the stems, roots or leaves.

Answer 8

Adventitious buds

Question 9

(identification) formed below the lateral buds when the leaf detach

Answer 9

Leaf scars

Question 10

(identification) Angle made by the leaf stalk and the stem from which the buds are formed.

Answer 10

Leaf axil

Question 11

(enumeration) Kinds of Buds [Based on the organs produced]

Answer 11

Leaf buds - Stems and leaves
Flower buds - Flowers only
Mixed buds - both leaves ang Flowers

Question 12

(enumeration) Kinds of Buds [Based on the Arrangement on the Stems]

Answer 12

Alternate, Opposite and Whorled

Question 13

(T/F) Meristems - The development and differentiation in plants take place

Answer 13

True

Question 14

(enumeration) 3 Primary Meristems

Answer 14

Protoderm, Ground Meristems and Procambium (Naulit na)

Question 15

(enumeration) 3 Primary Tissues

Answer 15

Epidermis, Ground Tissue, Vascular Tissue.

Question 16

(T/F) Primary Phloem - Sieve tube members, companion cells, fibers, sclereids and parenchyma.

Answer 16

True

Question 17

(T/F) Primary Xylem - Tracheids and Vessel elements

Answer 17

True

Question 18

(identification) refers to the suppression of growth by hormones produced in the apical Meristems

Answer 18

Apical dominance

Question 19

(T/F) Reduce evaporation, gas exchange - Epidermis

Answer 19

True

Question 20

(T/F) Photosynthesis, Collenchyma support - Pith

Answer 20

False, Cortex.

Question 21

(T/F) Water storage, defense, disintegrate - Cortex

Answer 21

False, Pith.

Question 22

(T/F) Conduction - Vascular Bundles

Answer 22

True

Question 23

(T/F) Support - Phloem Fibers

Answer 23

True

Question 24

(T/F) Conduct CH2O into the leaf - Functional Phloem

Answer 24

False, Away from the leaf

Question 25

(T/F) Adds .2° Xylem and .2° Phloem - Vascular Cambium

Answer 25

False, 2°.

Question 26

(T/F) Xylem conducts minerals up from soil to center.

Answer 26

True

Question 27

(identification) Scientific name of Grape

Answer 27

Vitis Vinifera

Question 28

(identification) The ________ cells build up to for a thick layer for the bark of a tree.

Answer 28

Cork

Question 29

(enumeration) Bark has..

Answer 29

Epidermis, Periderm, Cortex, Phloem, Vascular Cambium

Question 30

(enumeration) Wood has..

Answer 30

Secondary Xylem only!

Question 31

(enumeration) Pith has..

Answer 31

A small percentage of tree diameter at maturity. Hmm.

Question 32

(identification) Scientific name of Giant Sequoia

Answer 32

Sequoia Sempervirens

Question 33

(identification) Scientific name of White Pine.

Answer 33

Pinus Strobus

Question 34

(identification) Study of growth rings in wood.

Answer 34

Dendrochronology

Question 35

(identification) Scientific name of Bermuda grass.

Answer 35

Cynodon Dactylon

Question 36

(identification) Horizontal stem that grow above the ground with long Internodes

Answer 36

Stolons or Runners

Question 37

(T/F) Spider plant - Chlorophytum

Answer 37

True

Question 38

(T/F) Rhizomes - Nephrolepsis

Answer 38

False, Fern.

Question 39

(T/F) Fern are stems that grows above the ground with adventitious roots.

Answer 39

False, Rhizomes.

Question 40

(T/F) Tubers - Swollen regions of stems that store food of subsequent growth.

Answer 40

True

Question 41

(identification) Scientific name of Irish Potatoes

Answer 41

Solanum Tuberosum

Question 42

(T/F) Rosette - Stem with long Internodes and leaves attached.

Answer 42

False, Long Internodes.

Question 43

(identification) large buds with a small stem at the lower end.

Answer 43

Bulbs

Question 44

(identification) resemble bulbs but composed entirely of stem tissue.

Answer 44

Corms

Question 45

(identification) leaf-like stems modified for photosynthesis

Answer 45

Cladophyll or cladodes

Question 46

(identification) stout fleshy stems that are modified for water and food storage

Answer 46

Succulent stems

Question 47

(identification) For protection from grazing animals

Answer 47

Thorns

Question 48

(identification) for support

Answer 48

Tendrils

Question 49

(identification) powered by transpiration of water from the leaves

Answer 49

Root pressure

Question 50

(identification) water is pulled up from the roots due to adhesion of water to the xylem walls and tension generated by the water potential gradient between leaves and xylem.

Answer 50

Transpiration pull and water cohesion

Question 51

(enumeration) Other contributing factors of conduction of materials by xylem.

Answer 51

Atmospheric pressure, action of living cells, imbibition in cell walls of xylem.

Question 52

(enumeration) Hypothesis of Phloem function.

Answer 52

Cytoplasmic streaming, movement through interface, pressure flow or mass flow.

Question 53

(T/F) Transpiration - Cohesion hypothesis for water movement.

Answer 53

True