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BOTANY > MINERAL NUTRITION > Flashcards

MINERAL NUTRITION Flashcards

1
Q

FIRST STABLE PRODUCT OF N2 FIXATION

A

NH3

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2
Q

O2 SCAVENGER (nodules)

A

LEGHAEMOGLOBIN

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3
Q

HYDROPONICS DISCOVERED BY

A

JULIUS VON SACHS

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4
Q

FREE LIVING + AEROBIC BACTERIA

A
  1. AZOTOBACTER

2. BEIJERINCKIA

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5
Q

FREE LIVING + ANAEROBIC BACTERIA

A

RHIDOSPIRILLUM

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6
Q

FREE LIVING CYANOBACTERIA

A
  1. ANABAENA

2. NOSTOC

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7
Q

LEGUMES - BACTERIA RELATIONSHIP

A

RHIZOBIUM

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8
Q

NON- LEGUMES - BACTERIA RELATIONSHIP

A

FRANKIA

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9
Q

EX. OF LEGUME- BACTERIA

A
  1. ALFALFA
  2. SWEET PEA
  3. SWEET CLOVER
  4. LENTILS
  5. GARDEN PEA
  6. BROAD BEAN
  7. CLOVER BEANS
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10
Q

EX. NON- LEGUMES -BACTERIA

A

ALNUS

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11
Q

ORGANIC N2 TO NH3

A

AMMONIFICATION

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12
Q

NO3 TO N2

A

DENITRIFICATION

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13
Q

N2 TO NH3

A

N2 FIXATION

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14
Q

N2 TO NO3

A

NITRIFICATION

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15
Q

CHLOROSIS ELEMENTS

A

N. K. S. Mg. Mn. Zn. Fe. Mo

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16
Q

INHIBITION OF CELL DIVISION

A

N. K. S. Mo

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17
Q

DELAYED FLOWERING

A

N. S. Mo

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18
Q

NECROSIS

A

K. Cu. Ca. Mg

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19
Q

1°/ INITIATIVE PHASE

A

APOPLAST + PASSIVE

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20
Q

2°/ METABOLIC PHASE

A

SYMPLAST + ACTIVE

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21
Q

NH3 TO NO2 ( bacteria)

A

NITROSOMONAS + NITROCOCCUS

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22
Q

NO2 TO NO3 (bacteria)

A

NITROBACTER

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23
Q

NO3 TO N2 ( bacteria)

A

PSEUDOMONAS + THIOBACILLUS

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24
Q

LIMITING NUTRIENT FOR NATURAL AND AGRICULTURAL ECOSYSTEM

A

N2

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25
Q

MICRONUTRIENTS WHICH CAN REVERSIBLY OXIDISE

A
  1. Fe = Fe2+ to Fe3+

2. Cu = Cu+ to Cu2+

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26
Q

EX. OF HYDROPONICS

A
  1. TOMATO
  2. SEEDLESS CUCUMBER
  3. LETTUCE
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27
Q

TOXICITY

A

TISSUE DRY WT. REDUCED BY 10%

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28
Q

Mn TOXICITY

A

BROWN SPOTS + CHLOROTIC VEINS

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29
Q

Mn COMPETES WITH

A
  1. Fe + Mg - UPTAKE

2. Mg - BINDING WITH ENZYME

30
Q

INHIBITS Ca2+ TRANSLOCATION

A

Mn

31
Q

NODULES CONTAIN

A

NITROGENASE + LEGHAEMOGLOBIN

32
Q

PROKARYOTES WITH NITROGENASE

A

N2 FIXERS

33
Q

EX. OF MACRONUTRIENTS

A

Ca. Mg. P. S. K. C. H. O. N

34
Q

EX. OF MICRONUTRIENTS

A

Mn. Fe. Ni. Cu. Zn. Mo. Cl

35
Q

EX. OF BENEFICIAL ELEMENTS

A

Co. Na. Si. Se

36
Q

SPLITTING OF H2O

A

Mn. Cl

37
Q

CARBOHYDRATE TRANSLOCATION

A

B

38
Q

AUXIN SYNTHESIS

A

Zn

39
Q

POLLEN GERMINATION + CELL ELONGATION + CELL DIFFERENTIATION

A

B

40
Q

FOR UPTAKE AND UTILISATION OF Ca

A

B

41
Q

CHLOROPHYLL FORMATION

A

Fe

42
Q

ACTIVATES ENZYMES

A

Ca. Mg. K. Zn. Fe. Mn.

43
Q

MAINTAINS RIBOSOME STRUCTURE

A

Mg

44
Q

PHOSPHORYLATION RELATED

A

P

45
Q

AMINO ACIDS WHICH CONTAIN S

A
  1. CYSTEINE

2. METHIONINE

46
Q

PROTEIN SYNTHESIS

A

K

47
Q

CELL TURGIDITY RELATED

A

K

48
Q

REQUIRED BY MERISTEMATIC TISSUES / METABOLICALLY ACTIVE CELLS

A

Ca. K. N.

49
Q

CONSTITUENT OF NUCLEIC ACIDS / PROTEINS

A

P. N. Fe

50
Q

CONSTITUENT OF VIT

A

S. N.

51
Q

PART OF NITROGENASE/ N2 REDUCTASE

A

Mo

52
Q

ELEMENTS WHICH IS ABSORBED IN COMPOUND FORM

A
  1. Mo - MoO2 2+

2. B - BO3 3- / B4O7 2-

53
Q

ANION - CATION BALANCE

A

Cl. K. Na

54
Q

ENZYME ACTIVATED BY Zn

A

ALCOHOL DEHYDROGENASE

55
Q

ENZYME ACTIVATED BY Mo

A

NITROGENASE

56
Q

ENZYME ACTIVATED BY Fe

A

CATALASE

57
Q

N IS MAINLY ABSORBED AS

A

NO3

58
Q

VITAMINS S IS A PART OF

A
  1. THIAMINE
  2. BIOTIN
  3. CoA
  4. FERREDOXIN
59
Q

AMIDES WHICH ARE STRUCTURAL PART OF PROTEINS

A
  1. ASPARAGINE

2. GLUTAMINE

60
Q

NITROGENASE IS PROTECTED BY

A

LEGHAEMOGLOBIN

61
Q

DNA - RNA SYNTHESIS

A

Mg

62
Q

RING STRUCTURE OF CHLOROPHYLL

A

Mg

63
Q

MITOTIC SPINDLE FORMATION

A

Ca

64
Q

ENZYMES ACTIVATED BY Mg

A
  1. RUBISCO

2. PEP

65
Q

ATP REQUIRED FOR NH3 SYNTHESIS BY NITROGENASE

A

8

66
Q

REDUCTIVE AMINATION

A

NH4+ + alpha KETO GLUTARIC ACID TO FORM GLUTAMIC ACID

67
Q

TRANSAMINATION

A

TRANSFER OF AMINO GROUP FROM ONE AMINO ACID TO THE KETO GROUP OF ANOTHER TO FORM A NEW AMINO ACID

68
Q

CATALYST USED IN REDUCTIVE AMINATION

A

GLUTAMATE + DEHYDROGENASE

69
Q

CATALYST USED IN TRANSAMINATION

A

TRANSAMINASE

70
Q

EX. OF PLANTS WITH NODULES THAT EXPORT FIXED N2 AS UREIDES

A

SOYABEAN

High C:H ratio

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