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LC Biology Plant responses Flashcards | StudBud

Explore/LC Biology Plant responses

LC Biology Plant responses

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A biology# quiz based on LC biology plant responses

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Questions 10

Answers

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