Transcript Leaving Certificate Biology Photosynthesis Quiz

Leaving Certificate Biology
Plant Responses 1 iQuiz
FIRST
In PowerPoint 2007 if you
see a Security Warning
click HERE on Options…
and then click on
 Enable this content
SECOND
Press the F5 Key to Begin,
Then click on this Blue Box
Any change in the environment
(internal or external) that causes a
cell or organism to respond is
called a …
Impetus
Pollutant
Variation
Stimulus
The growth response of part of a
plant to an external unidirectional
stimulus is a …
Tropism
Stimulus
Auxin
IAA
A plant’s response to touch is
known as …
Hydrotropism
Thigmotropism
Phototropism
Geotropism
The growth response of part of a
plant away from an external
unidirectional stimulus is a …
Geotropism
Negative tropism
Positive tropism
Hydrotropism
What part of the plant produces
plant growth regulators?
Petioles
Axillary buds
Apical bud
Meristems
A plant stem will grow upwards in
the dark. What type of tropism is
this?
Positive
phototropism
Negative
phototropism
Negative
geotropism
Positive
geotropism
The growth response of a plant to
light is called …
Geotropism
Phototropism
Hydrotropism
Chemotropism
A term for a chemical that is a plant
growth regulator or a plant growth
hormone (e.g. IAA), produced in the
meristematic tissue of shoots, roots,
young leaves and developing seeds.
Auxin
Hormone
Gibberellin
Cytokinin
Tendrils of the sweet pea plant
wrap themselves around wire,
stakes and itself. This is an example
of …
Reflex action
Thigmotropism
Habit
Conditioning
Plant growth hormones, which
increase the rate of cell division
and inhibit aging of green tissues in
plants are …
Gibberellins
Selective
weed killers
Cytokinins
Coleoptiles
The response of roots to fertilisers
in the soil is an example of …
Thigmotropism
Phototropism
Geotropism
Chemotropism
The suppression of the growth of
the lateral buds by the terminal
bud, thus allowing the stem to
elongate is known as …
Tropic response
Abscission
Apical dominance
Negative tropism
A plant growth substance (auxin)
that stimulates cell elongation is …
Cytokinin
IAA
Ethene or ethylene
Selective
weed killer
A plant growth promoter which
stimulates cell elongation and
germination is a …
Cytokinins
Gibberellins
Selective
weed killer
Coleoptiles
Name a plant growth substance used to
promote ripening of some fruits, degreens others and promotes abscission
and inhibits longitudinal growth.
Tropism
IAA
Selective
weed killer
Ethene or ethylene
Plant Responses 1 iQuiz
How did you do?
Click this Blue Box
to find out