A. Surroundings that are harmful
to organism(s)
A. Serial dilution
Q. State a location in a flowering
plant where a growth regulator is
secreted.
Q. Name the group of substances in
plants which control responses to
external stimuli.
A. Plant growth regulators or
auxins
A. Apical meristems of shoots
Q. Give an example of the use of a
synthetic growth regulator.
Q. Suggest a benefit to the plant of
phototropism.
A. Rooting powder; Weed killer;
Ripening of fruit; Seedless fruits
A. Photosynthesis
Q. Give locations for two meristems
in plants.
Q. What is an auxin?
A. Root tip; Shoot tip; Bud;
Embryo; Seed
A. A growth regulator in plants
Q. What growth regulator did you
use when investigating plant
growth?
Q. Define tropism.
A. Growth response of plant to a
stimulus
Q. List three types of tropism.
A. IAA
Q. State two ways in which growth
regulators in plants are similar to
hormones in animals.
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A. Thigmotropism; Phototropism; A. Chemical in nature; Made at one
Geotropism; Hydrotropism;
site & function at another;
Chemotropism
Transport slow in vascular tissue
Q. List three methods used by plants
Q. Give the term used for the
to protect themselves from adverse growth response by a plant shoot to
external environments.
unidirectional light.
A. Phototropism
A. Thorns; Stinging cells; Leaf fall;
Perennation; Dormancy
Q. TRUE or FALSE. The growth
response of a plant to touch is
called thigmotropism.
Q. Define thigmotropism.
A. Growth response of a plant to
touch
A. TRUE
Q. Give an example of a growth
regulator that promotes growth.
Q. Define Chemotropism
A. Growth response of a plant to
chemicals
A. Auxin; IAA; NAA; Ethene
Q. Give an example of a growth
regulator that inhibits growth.
Q. Through which part of a stem are
growth promoters transported?
A. Auxin; IAA; NAA; Abscisic acid;
Ethene
Q. Name the plant used when you
investigated the effect of a growth
regulator on plant tissue.
A. Vascular bundles/tissue
Q. For what purpose did you use IAA
in the course of your practical
activities?
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A. To examine the effect of growth
regulators on plants
A. Cress
Q. Name the growth response of
roots growing towards water.
Q. Shoots grow away from gravity.
This is an example of …
A. Hydrotropism
A. Negative geotropism
Q. What do you understand by the
Q. How would you make up
term adverse external
solutions of different concentrations
environment?
from a stock solution of IAA?
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Follow-me Quiz
Follow-me Quiz
3.5.2 Responses in
Flowering Plants
3.5.2 Responses in
Flowering Plants
Follow-me Quiz
Follow-me Quiz
3.5.2 Responses in
Flowering Plants
3.5.2 Responses in
Flowering Plants
Follow-me Quiz
Follow-me Quiz
3.5.2 Responses in
Flowering Plants
3.5.2 Responses in
Flowering Plants
Follow-me Quiz
Follow-me Quiz
3.5.2 Responses in
Flowering Plants
3.5.2 Responses in
Flowering Plants
Follow-me Quiz
Follow-me Quiz
3.5.2 Responses in
Flowering Plants
3.5.2 Responses in
Flowering Plants
Enter Topic Title in each section above
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