問題一覧
1
The following are major regions of a seeds except;
ovule
2
The first step in the plants reproductive process.
Flower induction
3
Vernalization is the process of exposure to low temperature to promote
Flowering & Germination
4
Photoperiodism is the response of plant to day length in relation to;
Flowering
5
Which of the following needs long dark period to flower?
Short day plant
6
The phytochrome that inhibits flowering:
Pr
7
The phytochrome that induces flowering
Pfr
8
Flower having both male and female parts:
Perfect
9
How can we describe the flower of a squash?
Incomplete & Imperfect
10
Known as the process of formation of the male gametophyte in plants
Microgametogenesis
11
Known as the process of formation of the female gametophyte in plants.
Megagametogenesis
12
A floral mechanism that promotes self-pollination when the flower does not open at all is known as;
Cleistogamy
13
Flowering plants unique form of fertilization is known as;
Double fertilization
14
In fertilized ovule what is needed to produce the embryo are:
Sperm cell + egg cell
15
In fertilized ovule what is needed to produce the endosperm are:
Sperm cell + polar nuclei
16
Corolla
All the petals
17
Gynoecium
Pistil
18
Androecium
Stamen
19
Calyx
Sepal
20
Pericarp
Matured ovary wall
21
Cleistogamy
Flower do not open
22
Chasmogamy
Flower open after pollinated
23
Simple Fruit
Apple
24
Aggregate Fruit
Guyabano
25
Multiple Fruit
Pineapple
26
Complete flower
Petal, sepal, stamen, pistil
27
Incomplete flower
Petal, sepal, stamen
28
Monoecious flowering
Male and female on the same plants
29
Dioecious flowering
Male and female on different plants
30
Photoperiodism
Response to daylength.
31
Happens after fertilization wherein to produce a fully develop zygote
Embryogenesis
32
What are the parts located inside the ovule?
Pollen and Egg cell
33
Cell on top part of the ovule that gives rise to the hypocotyl, meristem and cotyledon?
Apical
34
Cell on the bottom part of the ovule that gives rise to the hypophysis & suspensor?
Basal
35
Found in the interface between the suspensor and embryo that give rise to some root cell.
Hypophysis
36
A supporting structure during plant embryo development that pushes the embryo proper
Suspensor
37
Give rise to the vascular tissue.
Procambium
38
Give rise to the epidermis.
Protoderm
39
Endosperm development wherein the cell wall is formed after every cycle.
Cellular
40
Endosperm development wherein the cell wall is formed after the first cycle followed by subsequent cell division w/ no cell wall formation.
Helobial
41
Endosperm development wherein the cell wall is not formed after every cycle
Nuclear
42
Phytohormones that promotes cell division and differentiation of on the tips or apex of a plant.
Cytokinin
43
Phytohormones that promotes dormancy.
Abscisic acid
44
Phytohormones that breaks dormancy in seed.
Gibberellins
45
What the cell presents during the two-cell stage of the seed embryogenesis.
Basal and Apical
46
In Tetrazolium test, viable seeds will stain;
Red
47
Stage wherein seeds are unable to germinate due to the absence of favorable condition.
Quiescence
48
Type of germination wherein the cotyledon is raised above the ground.
Epigeal
49
Type of germination wherein the cotyledon remains on the ground.
Hypogeal
50
Dormancy is caused by conditions outside of the seed's embryo
Exogenous
51
Dormancy is caused by conditions inside of the seed's embryo
Endogenous
52
Main purpose of the endosperm.
Energy storage
53
when water comes into contact with the seed and enters the micropyle it is known as.
imbibition
54
What is the common cause of exogenous dormancy.
Thick seed coat
55
Benefits of dormancy except:
Help seed to germinate seeds right away
56
Seed that cannot undergo desiccation
Recalcitrant
57
Seed that can withstand desiccation
Orthodox
58
a process that occurs after the fertilization of an ovule to produce a fully developed plant embryo.
Embryogenesis
59
Integuments
Seed Coat
60
Nucellus
Perisperm
61
Funicullus
Hilum
62
Ovule
Seeds
63
Ovary
Fruit
64
Physical scarification
Soaking on hot water
65
Chemical scarification
Treatment w/ sulfuric acid
66
Mechanical scarification
Piercing, rubbing, scratching
67
Stratification
Moist sand, soil or sawdust.
68
Vernalization
Cold temp treatment