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BIOLOGY GRADE 12: PLANT GROWTH AND DEVELOPMENT Flashcards | StudBud
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BIOLOGY GRADE 12: PLANT GROWTH AND DEVELOPMENT
BIOLOGY GRADE 12: PLANT GROWTH AND DEVELOPMENT
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A#biology#grade12#diankasihintersch#dailyquiz
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
What hormone may cause etiolation?
Auxin
Ethylene
Gibberelins
Cytokinins
2
What is the definition of development?
irreversible increase in the number and size of an organ
irreversible increase in the number and size of a cell
differentiation and maturation
whole series of qualitative and quantitative changes
3
Which seeds are growing into hypogeous germination?
Monocot seeds
Dicot seeds
Both of the seeds type
It depends on the environment factors
4
Which seeds are growing into epigeous germination?
Dicot seeds
It depends on the environment factors
Both of the seeds type
Monocot seeds
5
What is the very first step of germination?
Well, I don't know
Imbibition
Hormonal activity
Radicle and shoot emergence
6
What is the accurate measurement of length?
Calculator
Growth meter
Auxanometer
Development
7
What factors may affect germination?
Water, Oxygen, and Temperature
Water, light, and temperature
Water and oxygen
Water and temperature
8
Accelerating the process of flowering by subjecting or exposing the plant to low temprature
Geotrpoism
Abscission
Thigmotropism
Vernalisation
9
What is parthenocarpy?
Formation of seedless fruits without reproduction
Formation of seedless fruits without germination
Formation of seedless fruits without fertilization
Formation of fruits without fertilization
10
suppression of lateral buds development is also called as....
Apical dominance
Lateral dominance
Dormancy
Parthenocarpy
11
When plants grow in dark, they become tall, yellowish and weak, and the leaves are very small.
Etiolation
Senesence
Abscission
Parthenocarpy
12
What is germination?
Sexual Reproduction of Animal
Sexual Reproduction of Plant
Part of Vegetative Growth
Asexual Reproduction of Plant
13
What type of storage does the cotyledon store?
Starch
Protein
Chloroplast
Sugar
14
What is the definition of growth?
differentiation and maturation
irreversible increase in the number and size of a cell
irreversible increase in the number and size of an organ
whole series of qualitative and quantitative changes
15
What is photoperiodism?
acceleration of flowering by exposing plant to low tempratue
effect of duration of light on the respiration of plants
Movement in plant towards or away from environmental factors
response in growth to the specific duration of light
16
What hormone may affect the growth of genetically dwarf plant?
Gibberelins
Abscissic Acid
Cytokinins
Ethylene
17
Which part of seeds do become roots?
Endosperm
Radicle
Cotyledons
Seed coats
18
Where is auxin being produced in plant?
Axilliary stems
Axilliary roots
Apex stems
Apex roots
19
What are the characteristics of monocot seeds?
paralel leaf veins
netlike leaves veins
Have one cotyledons
floral parts in four or five
20
Germination of seeds is the part of ___ growth phase
Log phase
Lag phase
Stationary phase
No growth
