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9th Science > Plant Physiology > Flashcards

Plant Physiology Flashcards

1
Q

Mimosa pudica

A

Touch me not plant

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2
Q

Helianthus annus

A

Sunflower

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3
Q

. unidirectional movement of a whole or part of a plant towards the direction of stimuli

A

Tropism

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4
Q

How many types of tropism

A

5
Phototropism geotropism hydrotropism thigmotropism chemotropism

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5
Q

Movement of plant part towards light

A

Phototropism
Eg shoot of the plant

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6
Q

Moment of plant in response to gravity

A

Geotropism
Eg root

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7
Q

Movement of plant or part of a plant toward water

A

Hydrotropism
Eg root

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8
Q

Movement of a plant part due to touch

A

Thigmotropism
Eg climbing vines

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9
Q

Movement of your part of plant in response to chemical

A

Chemotropism
example growth of your Pollen tube in response to sugar present on the Stigma

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10
Q

Some halophytes produce negatively geotropic roots

A

Rhizophora
This roots turn 180 degree upright for respiration

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11
Q

Movement are non directional response of a plant or part of a plant to Stimulus

A

Nastic

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12
Q

Movement of a part of a plant in response to light

A

Photonasty

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13
Q

Eg of photo nasty

A

Taraxacum officinale - blooms in morning and closes in the evening
Ipomea alba (moon flower)-open in night and closes during day

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14
Q

Movement of part of plant in response to touch

A

Sesimonasty (thigmonasty)
Eg mimosa pudica

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15
Q

Venus flytrap

A

Dionaea muscipula

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16
Q

Movement of part of a plant is associated with change in temperature

A

Thermo nasty
Eg thulip flower blooms as the temperature increase

17
Q

Plants also need ________to carry on cellular respiration

A

Oxygen

18
Q

The end product of photosynthesis is________ which will be converted into Starch and stored in the plant body

A

Glucose

19
Q

Vespa orentalis

A

Xanthopterin

20
Q

The loss of water in the form of water vapour from the aerial part of the plant body is called

A

Transpiration

21
Q

Functions of inspiration

A

Create pull in leaf and stem
Create absorption force in root
Necessary for continuous supply of minerals
Regulate the temperature of plant

22
Q

The air exchange take place in the minute pores called

A

Stomota

23
Q

Transpiration take place through

A

Stomota

9th Science (19 decks)

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