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IB Biology Plant Science 9.4 Reproduction in plants Flashcards | StudBud
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IB Biology Plant Science 9.4 Reproduction in plants
IB Biology Plant Science 9.4 Reproduction in plants
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Flashcards
9 cards
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Practice quiz
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Questions
9
Answers
1
Which structure will pollen stick to?
D
B
C
A
2
What is structure 2 in the diagram?
embryo root
embryo shoot
testa
cotyledon
3
What is the first step in seed germination?
cellular respiration
production of enzymes
intake of water
production of plant hormones
4
Which structure is the cotyledon?
4
3
2
1
5
What part of the flower will develop into the fruit?
ovary
stigma
ovule
style
6
Which is TRUE about long-day plants?
bloom in autumn
require high levels of Pfr
Require low levels of PFR
bloom only at night
7
What is the main trigger that stimulates a plant to flower?
temperature
moisture
length of night
length of day
8
What occurs at night?
high levels of far red light
high levels of red light
PFR converts into PR
PR converts into PFR
9
What is structure B?
stigma
anther
style
filament
