which of the statements relating to growth regulators is false

Their effect doesn't depend on their concentration

What is the main advantage of tropisms

They allow plants obtain more favourable growing conditions

What is a growth regulator

A chemical that controls the growth of a plant

What is a growth inhibitor?

A chemical that causes a reduction in growth of plants

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Plant responses

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A biology# quiz based on LC biology plant responses

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Questions 10

Answers

1
Anything that causes a reaction in an organism or in any of its parts is called
A Hormone
A Sensation
A Response
A Stimulus
2
Which is not a common use of commercially prepared growth regulators
Tissue Culturing
Rooting Powders
Inhibiting seed germination
Ripening bananas
3
which of the statements relating to growth regulators is false
Their effect depends on their concentration
Their effect doesn't depend on their concentration
They are active in very small amounts
Their effect depends on their location
4
What is the main advantage of tropisms
They allow plants to reproduce
They allow plants obtain more favourable growing conditions
They allow plants to store food
They allow plants to attract more insects
5
What is a growth regulator
A chemical that controls the growth of a plant
A person who measures the growth of a plant
A plant fertiliser
A greenhouse or other artificial environment for plants
6
Which is not a real tropism
Thigmotropism
Gravitropism
Phytotropism
Chemotropism
7
which is false?
IAA is Auxin
IAA is IndoleAcetic Acid
IAA is Internal Axillary Agent
IAA is a growth regulator
8
What is a growth inhibitor?
A chemical that causes a reduction in growth of plants
A chemical that provides nutrients to a plant
A chemical that kills a plant
A chemical that causes increased growth in plants
9
what is a phytoalexin?
A stress protein
An anatomical protective feature
A heat shock protein
A growth regulator
10
Which of the following structures are not required by organisms for response
A reproductive system
A chemical or hormonal system
A method of movement (including growth)
A defence or immune system

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