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Biology F5 > Chapter 3 : Nutrition in Plants > Flashcards

Chapter 3 : Nutrition in Plants Flashcards

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1
Q

What are plant nutrients for?

A

to grow well and produce high yields

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2
Q

Name the main macronutrients…
a)
b)
c)

A

a) carbon
b) hydrogen
c) oxygen

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3
Q

How are the remaining nutrients taken in by the plants?

A

in the form of mineral salts (dissolved in the soil through fertilisation)

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4
Q

List all Macronutrients

A

Carl HyMaO PoNi SuP

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5
Q

Functions of C,O,H. (2)

A
  • important for carbon cycle & oxygen cycle

- synthesis of sugar

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6
Q

Effects X C,O,H (2)

A
  • photosynthesis cannot take place (less oxygen)

- stunted growth [death] {no glucose how to live…}

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7
Q

Functions of Ca. (1)

A

-main component for middle lamella, cell wall & spindle fiber during cell division

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8
Q

Effects X Ca (3)

A
  • stunted growth
  • leaves distorted & lobed
  • leaf veins become yellowish
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9
Q

Functions of Ma (3)

A
  • main chlorophyll molecule
  • activates enzymes
  • carbohydrate metabolism
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10
Q

Effects X Ma (3)

A
  • matured leaves yellowish
  • red spot on leaf
  • lobed leaves
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11
Q

Fuctions of Po (K) (3)

A
  • protein synthesis & carbohydrate metabolism
  • cofactor
  • maintain plant turgidity
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12
Q

Effect X Po (K) (2)

A
  • leaf edges yellowish

- premature death

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13
Q

Function of Ni (Nitrogen) (2)

A
  • give green colour (formation of chlorophyll)

- main for proteins, nucleic acid and enzymes (in photo & respi)

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14
Q

Effect X Ni (Nitrogen) (4)

A
  • chlorosis
  • underlying leaves fall
  • protein synthesis disrupt
  • stunted growth
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15
Q

Function of Su (2)

A
  • component for some amino acids

- component for vitamin B & some coenzymes

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16
Q

Effects X Su (1)

A

-leaves/plant turns yellow

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17
Q

Function of Pho (P) (2)

A
  • synthesise nucleic acid, ATP, phospholipids

- coenzyme in photo & respi

18
Q

EffectsX Pho (P) (3)

A
  • unhealthy root growth
  • form dark green & dull leaves
  • red / purple spots appearing on older leaves
19
Q

List all micronutrients…

A

ChloZi ICoMn NiBoMo

20
Q

Function of Chlo (2)

A
  • osmotic pressure

- photosynthesis

21
Q

Effects X Chlo (4)

A
  • plant wilts
  • slower root growth
  • chlorosis
  • less fruit
22
Q

Function of Zi (3)

A
  • leaf formation
  • auxin synthesis
  • cofactor for carbohydrate metabolism
23
Q

Effects X Zi (2)

A
  • chlorosis spots on leaves

- stunted growth

24
Q

Function of I (Fe) (2)

A
  • cofactor for chlorophyll synthesis

- growth of young plants

25
Q

Effects X I (Fe) (1)

A

-Young leaves yellowish

26
Q

Function of Co (2)

A
  • nitrogen metabolism & photosynthesis

- growth, repro & flower

27
Q

Effects X Co (3)

A
  • young shoot apex dead
  • brown spot on terminal leaves
  • stunted
28
Q

Functions of Mn (2)

A
  • activates photosynthetic enzymes

- cell respi & nitrogen metabolism

29
Q

Effects X Mn (2)

A
  • network dark green leaf veins

- light brown / grey spots between leaf veins

30
Q

Functions of Ni (1)

A

-involved in urea breakdown –> ammonia [used by plant]

31
Q

Effects X Ni (3)

A
  • stunted growth
  • reduce crop production
  • burnt effect at leaf ends [urea accumulation]
32
Q

Function of Bo (2)

A
  • calcium uptake in roots & sucrose translocation

- carbohydrate metabolism & pollen formation

33
Q

Effects X Bo (2)

A
  • terminal buds dead & abnormal growth

- leaves thicker, rolled up & fragile

34
Q

Functions of Mo (Molybdenum) (1)

A

-nitrogen fixation & nitrate reduction during protein synthesis

35
Q

Effects X Mo ()

A
  • chlorosis between matured leaf veins
  • leaf become pale green
  • reduces crop production
36
Q

Wilhelm Knop made…

A

Knop’s solution

37
Q

Knop’s solution contains…

A

CaPoPo MagI DI
Calcium nitrate, Potassium nitrate, Potassium dihydrogen phosphate, Magnesium sulphate, Iron (II) phosphate, Distilled water

38
Q

Function of roots include…… (2)

A
  • provide support & strength to anchor the plant in the soil

- absorb water & mineral salts from soil & transport them to the stem & leaves

39
Q

Imagine the Root structure.

A

Root collar, primary root, lateral root, root hair, root cap

40
Q

Function of ROOT COLLAR

A

connected to the base of plant

Biology F5 (2 decks)

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