3.6.1 Reproduction of the
Flowering Plant
– Dormancy and Germination
Follow-Me – iQuiz
Q. State a difference between the seeds of monocots and dicots
other than the number of seed leaves.
Aerobic respiration
Germination
Optimum enzyme
activity
Anaerobic jar
Germination at suitable time;
Survival during unfavourable
conditions
Optimum storage conditions;
Optimum sowing time;
Maximise the growing season
Avoid competition; Avail
of suitable conditions
Germination; Growth
Ovary
Ovule
Cotyledon; Endosperm
Growth of seed or
embryo
Dormancy
Growth regulator;
Selective propagation
Period of low metabolism;
Seed does not germinate
despite favourable
conditions
Enzyme action; Solvent;
Transport of materials; Bursting
testa; Washing away inhibitors
Keep temperature constant;
Vary temperature; Heating
Petri dish containing a
jelly or solid medium
Make food soluble and
transportable
Reproduction; Seed
dispersal
Milk; Starch
Water; Suitable
temperature; Oxygen
FALSE
TRUE
Food store as endosperm;
No endosperm
CONGRATULATIONS
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Q. True or False. Light is essential for the germination of seeds.
Aerobic respiration
Germination
Optimum enzyme
activity
Anaerobic jar
Germination at suitable time;
Survival during unfavourable
conditions
Optimum storage conditions;
Optimum sowing time;
Maximise the growing season
Avoid competition; Avail
of suitable conditions
Germination; Growth
Ovary
Ovule
Cotyledon; Endosperm
Growth of seed or
embryo
Dormancy
Growth regulator;
Selective propagation
Period of low metabolism;
Seed does not germinate
despite favourable
conditions
Enzyme action; Solvent;
Transport of materials; Bursting
testa; Washing away inhibitors
Keep temperature constant;
Vary temperature; Heating
Petri dish containing a
jelly or solid medium
Make food soluble and
transportable
Reproduction; Seed
dispersal
Milk; Starch
Water; Suitable
temperature; Oxygen
FALSE
TRUE
Food store as endosperm;
No endosperm
CONGRATULATIONS
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Q. What is dormancy?
Aerobic respiration
Germination
Optimum enzyme
activity
Anaerobic jar
Germination at suitable time;
Survival during unfavourable
conditions
Optimum storage conditions;
Optimum sowing time;
Maximise the growing season
Avoid competition; Avail
of suitable conditions
Germination; Growth
Ovary
Ovule
Cotyledon; Endosperm
Growth of seed or
embryo
Dormancy
Growth regulator;
Selective propagation
Period of low metabolism;
Seed does not germinate
despite favourable
conditions
Enzyme action; Solvent;
Transport of materials; Bursting
testa; Washing away inhibitors
Keep temperature constant;
Vary temperature; Heating
Petri dish containing a
jelly or solid medium
Make food soluble and
transportable
Reproduction; Seed
dispersal
Milk; Starch
Water; Suitable
temperature; Oxygen
FALSE
TRUE
Food store as endosperm;
No endosperm
CONGRATULATIONS
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Q. What is meant by germination?
Aerobic respiration
Germination
Optimum enzyme
activity
Anaerobic jar
Germination at suitable time;
Survival during unfavourable
conditions
Optimum storage conditions;
Optimum sowing time;
Maximise the growing season
Avoid competition; Avail
of suitable conditions
Germination; Growth
Ovary
Ovule
Cotyledon; Endosperm
Growth of seed or
embryo
Dormancy
Growth regulator;
Selective propagation
Period of low metabolism;
Seed does not germinate
despite favourable
conditions
Enzyme action; Solvent;
Transport of materials; Bursting
testa; Washing away inhibitors
Keep temperature constant;
Vary temperature; Heating
Petri dish containing a
jelly or solid medium
Make food soluble and
transportable
Reproduction; Seed
dispersal
Milk; Starch
Water; Suitable
temperature; Oxygen
FALSE
TRUE
Food store as endosperm;
No endosperm
CONGRATULATIONS
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Q. Why is digestion necessary in a germinating seed?
Aerobic respiration
Germination
Optimum enzyme
activity
Anaerobic jar
Germination at suitable time;
Survival during unfavourable
conditions
Optimum storage conditions;
Optimum sowing time;
Maximise the growing season
Avoid competition; Avail
of suitable conditions
Germination; Growth
Ovary
Ovule
Cotyledon; Endosperm
Growth of seed or
embryo
Dormancy
Growth regulator;
Selective propagation
Period of low metabolism;
Seed does not germinate
despite favourable
conditions
Enzyme action; Solvent;
Transport of materials; Bursting
testa; Washing away inhibitors
Keep temperature constant;
Vary temperature; Heating
Petri dish containing a
jelly or solid medium
Make food soluble and
transportable
Reproduction; Seed
dispersal
Milk; Starch
Water; Suitable
temperature; Oxygen
FALSE
TRUE
Food store as endosperm;
No endosperm
CONGRATULATIONS
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Q. What is an agar plate?
Aerobic respiration
Germination
Optimum enzyme
activity
Anaerobic jar
Germination at suitable time;
Survival during unfavourable
conditions
Optimum storage conditions;
Optimum sowing time;
Maximise the growing season
Avoid competition; Avail
of suitable conditions
Germination; Growth
Ovary
Ovule
Cotyledon; Endosperm
Growth of seed or
embryo
Dormancy
Growth regulator;
Selective propagation
Period of low metabolism;
Seed does not germinate
despite favourable
conditions
Enzyme action; Solvent;
Transport of materials; Bursting
testa; Washing away inhibitors
Keep temperature constant;
Vary temperature; Heating
Petri dish containing a
jelly or solid medium
Make food soluble and
transportable
Reproduction; Seed
dispersal
Milk; Starch
Water; Suitable
temperature; Oxygen
FALSE
TRUE
Food store as endosperm;
No endosperm
CONGRATULATIONS
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Q. Suggest one way in which knowledge of dormancy is useful to
farmers and gardeners.
Aerobic respiration
Germination
Optimum enzyme
activity
Anaerobic jar
Germination at suitable time;
Survival during unfavourable
conditions
Optimum storage conditions;
Optimum sowing time;
Maximise the growing season
Avoid competition; Avail
of suitable conditions
Germination; Growth
Ovary
Ovule
Cotyledon; Endosperm
Growth of seed or
embryo
Dormancy
Growth regulator;
Selective propagation
Period of low metabolism;
Seed does not germinate
despite favourable
conditions
Enzyme action; Solvent;
Transport of materials; Bursting
testa; Washing away inhibitors
Keep temperature constant;
Vary temperature; Heating
Petri dish containing a
jelly or solid medium
Make food soluble and
transportable
Reproduction; Seed
dispersal
Milk; Starch
Water; Suitable
temperature; Oxygen
FALSE
TRUE
Food store as endosperm;
No endosperm
CONGRATULATIONS
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Q. For what purpose is water needed in germination?
Aerobic respiration
Germination
Optimum enzyme
activity
Anaerobic jar
Germination at suitable time;
Survival during unfavourable
conditions
Optimum storage conditions;
Optimum sowing time;
Maximise the growing season
Avoid competition; Avail
of suitable conditions
Germination; Growth
Ovary
Ovule
Cotyledon; Endosperm
Growth of seed or
embryo
Dormancy
Growth regulator;
Selective propagation
Period of low metabolism;
Seed does not germinate
despite favourable
conditions
Enzyme action; Solvent;
Transport of materials; Bursting
testa; Washing away inhibitors
Keep temperature constant;
Vary temperature; Heating
Petri dish containing a
jelly or solid medium
Make food soluble and
transportable
Reproduction; Seed
dispersal
Milk; Starch
Water; Suitable
temperature; Oxygen
FALSE
TRUE
Food store as endosperm;
No endosperm
CONGRATULATIONS
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Q. State a use for a water bath in biological investigations.
Aerobic respiration
Germination
Optimum enzyme
activity
Anaerobic jar
Germination at suitable time;
Survival during unfavourable
conditions
Optimum storage conditions;
Optimum sowing time;
Maximise the growing season
Avoid competition; Avail
of suitable conditions
Germination; Growth
Ovary
Ovule
Cotyledon; Endosperm
Growth of seed or
embryo
Dormancy
Growth regulator;
Selective propagation
Period of low metabolism;
Seed does not germinate
despite favourable
conditions
Enzyme action; Solvent;
Transport of materials; Bursting
testa; Washing away inhibitors
Keep temperature constant;
Vary temperature; Heating
Petri dish containing a
jelly or solid medium
Make food soluble and
transportable
Reproduction; Seed
dispersal
Milk; Starch
Water; Suitable
temperature; Oxygen
FALSE
TRUE
Food store as endosperm;
No endosperm
CONGRATULATIONS
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Q. What type of agar plates did you use when investigating the
digestive activity of seeds?
Aerobic respiration
Germination
Optimum enzyme
activity
Anaerobic jar
Germination at suitable time;
Survival during unfavourable
conditions
Optimum storage conditions;
Optimum sowing time;
Maximise the growing season
Avoid competition; Avail
of suitable conditions
Germination; Growth
Ovary
Ovule
Cotyledon; Endosperm
Growth of seed or
embryo
Dormancy
Growth regulator;
Selective propagation
Period of low metabolism;
Seed does not germinate
despite favourable
conditions
Enzyme action; Solvent;
Transport of materials; Bursting
testa; Washing away inhibitors
Keep temperature constant;
Vary temperature; Heating
Petri dish containing a
jelly or solid medium
Make food soluble and
transportable
Reproduction; Seed
dispersal
Milk; Starch
Water; Suitable
temperature; Oxygen
FALSE
TRUE
Food store as endosperm;
No endosperm
CONGRATULATIONS
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Q. How did you demonstrate the requirement for oxygen when
investigating the factors necessary for seed germination?
Aerobic respiration
Germination
Optimum enzyme
activity
Anaerobic jar
Germination at suitable time;
Survival during unfavourable
conditions
Optimum storage conditions;
Optimum sowing time;
Maximise the growing season
Avoid competition; Avail
of suitable conditions
Germination; Growth
Ovary
Ovule
Cotyledon; Endosperm
Growth of seed or
embryo
Dormancy
Growth regulator;
Selective propagation
Period of low metabolism;
Seed does not germinate
despite favourable
conditions
Enzyme action; Solvent;
Transport of materials; Bursting
testa; Washing away inhibitors
Keep temperature constant;
Vary temperature; Heating
Petri dish containing a
jelly or solid medium
Make food soluble and
transportable
Reproduction; Seed
dispersal
Milk; Starch
Water; Suitable
temperature; Oxygen
FALSE
TRUE
Food store as endosperm;
No endosperm
CONGRATULATIONS
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Q. State three environmental factors that are necessary for
germination.
Aerobic respiration
Germination
Optimum enzyme
activity
Anaerobic jar
Germination at suitable time;
Survival during unfavourable
conditions
Optimum storage conditions;
Optimum sowing time;
Maximise the growing season
Avoid competition; Avail
of suitable conditions
Germination; Growth
Ovary
Ovule
Cotyledon; Endosperm
Growth of seed or
embryo
Dormancy
Growth regulator;
Selective propagation
Period of low metabolism;
Seed does not germinate
despite favourable
conditions
Enzyme action; Solvent;
Transport of materials; Bursting
testa; Washing away inhibitors
Keep temperature constant;
Vary temperature; Heating
Petri dish containing a
jelly or solid medium
Make food soluble and
transportable
Reproduction; Seed
dispersal
Milk; Starch
Water; Suitable
temperature; Oxygen
FALSE
TRUE
Food store as endosperm;
No endosperm
CONGRATULATIONS
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Q. For what purpose is oxygen needed in germination?
Aerobic respiration
Germination
Optimum enzyme
activity
Anaerobic jar
Germination at suitable time;
Survival during unfavourable
conditions
Optimum storage conditions;
Optimum sowing time;
Maximise the growing season
Avoid competition; Avail
of suitable conditions
Germination; Growth
Ovary
Ovule
Cotyledon; Endosperm
Growth of seed or
embryo
Dormancy
Growth regulator;
Selective propagation
Period of low metabolism;
Seed does not germinate
despite favourable
conditions
Enzyme action; Solvent;
Transport of materials; Bursting
testa; Washing away inhibitors
Keep temperature constant;
Vary temperature; Heating
Petri dish containing a
jelly or solid medium
Make food soluble and
transportable
Reproduction; Seed
dispersal
Milk; Starch
Water; Suitable
temperature; Oxygen
FALSE
TRUE
Food store as endosperm;
No endosperm
CONGRATULATIONS
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Q. Seeds may remain inactive for a period before germination.
What term is used to describe this period of inactivity?
Aerobic respiration
Germination
Optimum enzyme
activity
Anaerobic jar
Germination at suitable time;
Survival during unfavourable
conditions
Optimum storage conditions;
Optimum sowing time;
Maximise the growing season
Avoid competition; Avail
of suitable conditions
Germination; Growth
Ovary
Ovule
Cotyledon; Endosperm
Growth of seed or
embryo
Dormancy
Growth regulator;
Selective propagation
Period of low metabolism;
Seed does not germinate
despite favourable
conditions
Enzyme action; Solvent;
Transport of materials; Bursting
testa; Washing away inhibitors
Keep temperature constant;
Vary temperature; Heating
Petri dish containing a
jelly or solid medium
Make food soluble and
transportable
Reproduction; Seed
dispersal
Milk; Starch
Water; Suitable
temperature; Oxygen
FALSE
TRUE
Food store as endosperm;
No endosperm
CONGRATULATIONS
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Q. What term is given to the growth of an embryo into a plant?
Aerobic respiration
Germination
Optimum enzyme
activity
Anaerobic jar
Germination at suitable time;
Survival during unfavourable
conditions
Optimum storage conditions;
Optimum sowing time;
Maximise the growing season
Avoid competition; Avail
of suitable conditions
Germination; Growth
Ovary
Ovule
Cotyledon; Endosperm
Growth of seed or
embryo
Dormancy
Growth regulator;
Selective propagation
Period of low metabolism;
Seed does not germinate
despite favourable
conditions
Enzyme action; Solvent;
Transport of materials; Bursting
testa; Washing away inhibitors
Keep temperature constant;
Vary temperature; Heating
Petri dish containing a
jelly or solid medium
Make food soluble and
transportable
Reproduction; Seed
dispersal
Milk; Starch
Water; Suitable
temperature; Oxygen
FALSE
TRUE
Food store as endosperm;
No endosperm
CONGRATULATIONS
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Q. Suggest two advantages of dormancy.
Aerobic respiration
Germination
Optimum enzyme
activity
Anaerobic jar
Germination at suitable time;
Survival during unfavourable
conditions
Optimum storage conditions;
Optimum sowing time;
Maximise the growing season
Avoid competition; Avail
of suitable conditions
Germination; Growth
Ovary
Ovule
Cotyledon; Endosperm
Growth of seed or
embryo
Dormancy
Growth regulator;
Selective propagation
Period of low metabolism;
Seed does not germinate
despite favourable
conditions
Enzyme action; Solvent;
Transport of materials; Bursting
testa; Washing away inhibitors
Keep temperature constant;
Vary temperature; Heating
Petri dish containing a
jelly or solid medium
Make food soluble and
transportable
Reproduction; Seed
dispersal
Milk; Starch
Water; Suitable
temperature; Oxygen
FALSE
TRUE
Food store as endosperm;
No endosperm
CONGRATULATIONS
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Q. Why is it necessary for plants to disperse their seeds?
Aerobic respiration
Germination
Optimum enzyme
activity
Anaerobic jar
Germination at suitable time;
Survival during unfavourable
conditions
Optimum storage conditions;
Optimum sowing time;
Maximise the growing season
Avoid competition; Avail
of suitable conditions
Germination; Growth
Ovary
Ovule
Cotyledon; Endosperm
Growth of seed or
embryo
Dormancy
Growth regulator;
Selective propagation
Period of low metabolism;
Seed does not germinate
despite favourable
conditions
Enzyme action; Solvent;
Transport of materials; Bursting
testa; Washing away inhibitors
Keep temperature constant;
Vary temperature; Heating
Petri dish containing a
jelly or solid medium
Make food soluble and
transportable
Reproduction; Seed
dispersal
Milk; Starch
Water; Suitable
temperature; Oxygen
FALSE
TRUE
Food store as endosperm;
No endosperm
CONGRATULATIONS
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Q. After fertilisation, what part of the flower becomes the fruit?
Aerobic respiration
Germination
Optimum enzyme
activity
Anaerobic jar
Germination at suitable time;
Survival during unfavourable
conditions
Optimum storage conditions;
Optimum sowing time;
Maximise the growing season
Avoid competition; Avail
of suitable conditions
Germination; Growth
Ovary
Ovule
Cotyledon; Endosperm
Growth of seed or
embryo
Dormancy
Growth regulator;
Selective propagation
Period of low metabolism;
Seed does not germinate
despite favourable
conditions
Enzyme action; Solvent;
Transport of materials; Bursting
testa; Washing away inhibitors
Keep temperature constant;
Vary temperature; Heating
Petri dish containing a
jelly or solid medium
Make food soluble and
transportable
Reproduction; Seed
dispersal
Milk; Starch
Water; Suitable
temperature; Oxygen
FALSE
TRUE
Food store as endosperm;
No endosperm
CONGRATULATIONS
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Q. Name the stage in the plant’s life cycle that follows dormancy.
Aerobic respiration
Germination
Optimum enzyme
activity
Anaerobic jar
Germination at suitable time;
Survival during unfavourable
conditions
Optimum storage conditions;
Optimum sowing time;
Maximise the growing season
Avoid competition; Avail
of suitable conditions
Germination; Growth
Ovary
Ovule
Cotyledon; Endosperm
Growth of seed or
embryo
Dormancy
Growth regulator;
Selective propagation
Period of low metabolism;
Seed does not germinate
despite favourable
conditions
Enzyme action; Solvent;
Transport of materials; Bursting
testa; Washing away inhibitors
Keep temperature constant;
Vary temperature; Heating
Petri dish containing a
jelly or solid medium
Make food soluble and
transportable
Reproduction; Seed
dispersal
Milk; Starch
Water; Suitable
temperature; Oxygen
FALSE
TRUE
Food store as endosperm;
No endosperm
CONGRATULATIONS
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Q. For what purpose is a suitable temperature needed in
germination?
Aerobic respiration
Germination
Optimum enzyme
activity
Anaerobic jar
Germination at suitable time;
Survival during unfavourable
conditions
Optimum storage conditions;
Optimum sowing time;
Maximise the growing season
Avoid competition; Avail
of suitable conditions
Germination; Growth
Ovary
Ovule
Cotyledon; Endosperm
Growth of seed or
embryo
Dormancy
Growth regulator;
Selective propagation
Period of low metabolism;
Seed does not germinate
despite favourable
conditions
Enzyme action; Solvent;
Transport of materials; Bursting
testa; Washing away inhibitors
Keep temperature constant;
Vary temperature; Heating
Petri dish containing a
jelly or solid medium
Make food soluble and
transportable
Reproduction; Seed
dispersal
Milk; Starch
Water; Suitable
temperature; Oxygen
FALSE
TRUE
Food store as endosperm;
No endosperm
CONGRATULATIONS
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Q. From what does a seed develop?
Aerobic respiration
Germination
Optimum enzyme
activity
Anaerobic jar
Germination at suitable time;
Survival during unfavourable
conditions
Optimum storage conditions;
Optimum sowing time;
Maximise the growing season
Avoid competition; Avail
of suitable conditions
Germination; Growth
Ovary
Ovule
Cotyledon; Endosperm
Growth of seed or
embryo
Dormancy
Growth regulator;
Selective propagation
Period of low metabolism;
Seed does not germinate
despite favourable
conditions
Enzyme action; Solvent;
Transport of materials; Bursting
testa; Washing away inhibitors
Keep temperature constant;
Vary temperature; Heating
Petri dish containing a
jelly or solid medium
Make food soluble and
transportable
Reproduction; Seed
dispersal
Milk; Starch
Water; Suitable
temperature; Oxygen
FALSE
TRUE
Food store as endosperm;
No endosperm
CONGRATULATIONS
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Q. State one method that is used to produce seedless fruits.
Aerobic respiration
Germination
Optimum enzyme
activity
Anaerobic jar
Germination at suitable time;
Survival during unfavourable
conditions
Optimum storage conditions;
Optimum sowing time;
Maximise the growing season
Avoid competition; Avail
of suitable conditions
Germination; Growth
Ovary
Ovule
Cotyledon; Endosperm
Growth of seed or
embryo
Dormancy
Growth regulator;
Selective propagation
Period of low metabolism;
Seed does not germinate
despite favourable
conditions
Enzyme action; Solvent;
Transport of materials; Bursting
testa; Washing away inhibitors
Keep temperature constant;
Vary temperature; Heating
Petri dish containing a
jelly or solid medium
Make food soluble and
transportable
Reproduction; Seed
dispersal
Milk; Starch
Water; Suitable
temperature; Oxygen
FALSE
TRUE
Food store as endosperm;
No endosperm
CONGRATULATIONS
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Q. State two locations in the seed where food may be stored.
Aerobic respiration
Germination
Optimum enzyme
activity
Anaerobic jar
Germination at suitable time;
Survival during unfavourable
conditions
Optimum storage conditions;
Optimum sowing time;
Maximise the growing season
Avoid competition; Avail
of suitable conditions
Germination; Growth
Ovary
Ovule
Cotyledon; Endosperm
Growth of seed or
embryo
Dormancy
Growth regulator;
Selective propagation
Period of low metabolism;
Seed does not germinate
despite favourable
conditions
Enzyme action; Solvent;
Transport of materials; Bursting
testa; Washing away inhibitors
Keep temperature constant;
Vary temperature; Heating
Petri dish containing a
jelly or solid medium
Make food soluble and
transportable
Reproduction; Seed
dispersal
Milk; Starch
Water; Suitable
temperature; Oxygen
FALSE
TRUE
Food store as endosperm;
No endosperm
CONGRATULATIONS
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Q. What is the role of the fruit?
Aerobic respiration
Germination
Optimum enzyme
activity
Anaerobic jar
Germination at suitable time;
Survival during unfavourable
conditions
Optimum storage conditions;
Optimum sowing time;
Maximise the growing season
Avoid competition; Avail
of suitable conditions
Germination; Growth
Ovary
Ovule
Cotyledon; Endosperm
Growth of seed or
embryo
Dormancy
Growth regulator;
Selective propagation
Period of low metabolism;
Seed does not germinate
despite favourable
conditions
Enzyme action; Solvent;
Transport of materials; Bursting
testa; Washing away inhibitors
Keep temperature constant;
Vary temperature; Heating
Petri dish containing a
jelly or solid medium
Make food soluble and
transportable
Reproduction; Seed
dispersal
Milk; Starch
Water; Suitable
temperature; Oxygen
FALSE
TRUE
Food store as endosperm;
No endosperm
CONGRATULATIONS
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