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BIOLOGY > MINERAL NUTRITION > Flashcards

MINERAL NUTRITION Flashcards

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1
Q

JULIUS VON SACHS WAS A ————

A

GERMAN BOTANIST

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2
Q

JULIUS VON SACHS IS WELL KNOWN FOR

A

DEMONSTRATION OF PLANTS GROWING TO MATURITY IN A DEFINED NUTRIENT SOLUTION EVEN IN THE ABSENCE OF SOIL

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3
Q

THE TECHNIQUE OF GROWING PLANTS IN THE ABSENCE OF SOIL IN A WELL DEFINED NUTRIENT MEDIUM IS CALLED

A

HYDROPONICS

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4
Q

WHO DISCOVERED HYDROPONICS AND IN WHICH YEAR?

A

JULIUS VON SACHS

1860

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5
Q

HYDROPONICS HAS BEEN SUCCESSFULLY EMPLOYED FOR THE COMMERCIAL PRODUCTION OF VEGETABLES SUCH AS ———

A

TOMATO
SEEDLESS CUCUMBER
LETTUCE

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6
Q

HOW MANY ELEMENTS ARE FOUND IN PLANTS?

A

MORE THAN 60 OF THE 105 DISCOVERED

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7
Q

PLANTS GROWIN NEAR THE RADIOACTIVE SITES TAKE UP ———-

A

RADIOACTIVE STRONTIUM

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8
Q

WHAT IS THE CRITERIA FOR AN ELEMENT TO BECOME AN ESSENTIAL ELEMENT?

A
  • ELEMENT MUST BE ABSOLUTELY NECESSARY
  • REQUIREMENT OF THE ELEMENT MUST BE SPECIFIC AND NOT REPLACEABLE BY OTHER ELEMENT
  • ELEMENT MUST BE DIRECTLY INVOLVED IN THE METABOLISM OF THE PLANT
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9
Q

ELEMENTS BASED ON THEIR QUANTITATIVE REQUIREMENT ARE CLASSIFIED INTO HOW MANY TYPES

A

2 TYPES
MICRONUTRIENTS
MACRONUTRIENTS

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10
Q

MICRONUTRIENTS ARE

A 
THOSE ELEMENTS THAT ARE REQUIRED IN VERY SMALL AMOUNTS (LESS THAN 10 mmole/kg)
THESE INCLUDES 
IRON
MANGANESE
COPPER
MOLYBDENUM 
ZINC
BORON
CHLORIDE
NICKEL
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11
Q

MACRONUTRIENTS ARE

A 
PRESENT IN THE PLANT TISSUES AND ARE REQUIRED IN LARGE AMOUNTS (more than 10 mmole/kg OF DRY MATTER) 
THESE INCLUDE 
CARBON
MAGNESIUM
HYDROGEN
OXYGEN 
NITROGEN
PHOSPHOROUS 
POTASSIUM
CALCIUM
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12
Q

WHAT ARE THE BENEFICIAL ELEMENTS REQUIRED BY THE PLANT

A 
SELENIUM 
SODIUM 
SILICON 
COBALT 
THEY ARE REQUIRED BY THE HIGHER PLANTS
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13
Q

ESSENTIAL ELEMENTS CAN BE GROUPED INTO HOW MANY CATEGORIES?

A 
IT CAN BE GROUPED INTO 4 
COMPONENTS OF BIOMOLECULES 
COMPONENTS OF ENERGY RELATED COMPOUNDS 
ACTIVATE OR INHIBIT ENZYMES 
ALTERING THE OSMOTIC POTENTIAL
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14
Q

WHICH ELEMENTS ARE THE COMPONENTS OF BIOMOLECULES?

A

THEY ARE STRUCTURAL ELEMENTS OF THE CELL

C, H, O, N

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15
Q

WHICH ELEMENTS ARE PRESENT IN THE ENERGY RELATED COMPOUNDS?

A

Mg IN CHLOROPHYLL

P IN ATP

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16
Q

GIVE EXAMPLES WHEN THE ELEMENTS HAVE PARTICIPATED IN ACTIVATING OR INHIBITING THE FUNCTION OF AN ENZYME.

A

Mg+2 IS AN ACTIVATOR FOR BOTH RuBisCO AND PEPcase
Zn+2 IS AN ACTIVATOR OF ALCOHOL DEHYDROGENASE
Mo IS AN ACTIVATOR OF NITROGENASE DURING NITROGEN METABOLISM

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17
Q

WHICH ELEMENT PLAYS AN IMPORTANT ROLE IN MAINTAINING THE OSMOTIC POTENTIAL?

A

POTASSIUM PLAYS AN IMPORTANT ROLE IN OPENING AND CLOSING OF STOMATA

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18
Q

WHICH ELEMENT IS REQUIRED BY THE PLANTS IN GREATEST AMOUNT?

A

NITROGEN

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19
Q

NITROGEN IS MAINLY TAKEN IN THE FORM OF:-

A

NO3-

BUT SOME PLANTS TAKE IT UP AS NH4+ OR NO2-

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20
Q

WHICH PART OF THE PLANT REQUIRES NITROGEN THE MOST?

A

THE MERISTEMATIC TISSUES AND METABOLICALLY ACTIVE CELLS

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21
Q

NITROGEN IS THE MAJOR CONSTITUENT OF ——-

A

PROTEINS
NUCLEIC ACIDS
VITAMINS AND HHORMONES

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22
Q

PHOSPHOROUS IS ABSORBED BY THE PLANTS IN THE FORM OF

A

H2PO4- OR HPO4-2

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23
Q

REQUIREMENT OF PHOSPHOROUS

A

REQUIRED IN THE PHOSPHORYLATION REACTIONS

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24
Q

PHOSPHORUS IS AN IMPORTANT CONSTITUENT OF

A

CELL MEMBRANE
CERTAIN PROTEINS
ALL NUCLEIC ACIDS
NUCLEOTIDES

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25
Q

POTASSIUM IS ABSORBED BY THE PLANT IN THE FORM OF

A

K+ IONS

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26
Q

POTASSIUM IS ABUNDANTLY REQUIRED BY WHICH PARTS OF THE PLANTS?

A

REQUIRED BY THE MERISTEMATIC TISSUES, BUDS AND LEAVES

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27
Q

FUNCTION OF POTASSIUM?

A 
ANION-CATION BALANCE IN THE CELLS
PROTEIN SYNTHESIS 
OPENING AND CLOSING OF THE STOMATA 
ACTIVATION OF THE ENZYMES 
MAINTENANCE OF THE TURGIDITY OF THE CELLS
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28
Q

CALCIUM IS ABSORBED BY THE PLANTS IN THE FORM OF

A

Ca+2

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29
Q

CALCIUM IS REQUIRED BY WHICH PLANT PART

A

MERISTEMATIC AND DIFFERENTIATING TISSUES

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30
Q

CALCIUM HELPS IN-

A

SYNTHESIS OF CELL WALL, PARTICULARLY AS CALCIUM PECTATE IN THE MIDDLE LAMELLAE
FORMATION OF MITOTIC SPINDLE
NORMAL FUNCTIONING OF THE CELL MEMBRANES
ACTIVATES CERTAIN ENZYMES
PLAYS AN IMPORTANT ROLE IN REGULATING THE METABOLIC ACITIVITIES

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31
Q

POTSSIUM IS ACCUMULATED IN OLDER OR YOUNGER LEAVES

A

OLDER LEAVES

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32
Q

MAGNESIUM IS TAKEN UP BY THE PLANTS IN THE FORM OF

A

Mg+2

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33
Q

FUNCTION OF MAGNESIUM

A

ACTIVATES ENZYMES OF RESPIRATION, PHOTOSYNTHESIS

INVOLVED IN THE SYNTHESIS OF DNA AND RNA

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34
Q

MAGNESIUM IS A CONSTITUENT OF THE ——— STRUCTURE OF CHLOROPHYLL AND HELPS TO MAINTAIN THE STRUCTURE OF ———

A

RING STRUCTURE OF CHLOROPHYLL

RIBOSOME

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35
Q

SULPHUR IS TAKEN IN THE FORM OF

A

SO4-2

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36
Q

WHICH TWO AMINO ACIDS HAVE SULPHUR PRESENT IN THEM

A

CYSTEINE AND METHIONINE

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37
Q

WHICH ELEMENT IS THE CONSTITUENT OF FERREDOXIN, COENZYMES AND VITAMINS LIKE THIAMINE, BIOTIN AND COENZYME A

A

SULPHUR

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38
Q

IRON IS OBTAINED BY THE PLANTS IN THE FORM OF

A

Fe+3 IONS

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39
Q

WHICH ELEMENT IS REQUIRED IN LARGER AMOUNTS IN COMPARISON TO OTHER MICRONUTRIENTS

A

IRON

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40
Q

———- IS AN IMPORTANT CONSTITUENT OF PROTEINS

A

IRON

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41
Q

———- IS INVOLVED IN THE TRANSFER OF ELECTRONS LIKE FERREDOXIN AND CYTOCHROMES

A

IRON

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42
Q

Fe+2 IS REVERSIBLY OXIDISED TO ——– DURING ELECTRON TRANSFER

A

Fe+3

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43
Q

FUNCTION OF IRON IN PLANTS

A

IT ACTIVATES THE ENZYME CATALASE AND IS ESSENTIAL FOR THE FORMATION OF CHLOROPHYLL

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43
Q

WHICH ELEMENT ACTIVATES THE CATALASE ENZYME AND IS ESSENTIAL FOR THE FORMATIOM

A
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44
Q

MANGANESE IS TAKEN UP BY THE PLANTS IN THE FORM OF

A

Mn+2

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45
Q

FUNCTION OF MANGANESE

A

ACTIVATES MANY ENZYMES INVOLVED IN RESPIRATION, PHOTOSYNTHESIS AND NITROGEN METABOLISM

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46
Q

THE BEST DEFINED FUNCTION OF MANGANESE IS

A

SPLITTING UP OF THE WATER TO LIBERATE OXYGEN DURING PHOTOSYNTHESIS

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47
Q

ZINC IS TAKEN UP BY THE PLANTS IN THE FORM OF

A

Zn+2

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48
Q

WHICH ENZYME IS SPECIFICALLY ACTIVATED BY ZINC?

A

CARBOXYLASE

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49
Q

———– ELEMENT IS REQUIRED IN THE SYNTHESIS OF AUXIN

A

ZINC

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50
Q

COPPER IS TAKEN UP BY THE PLANTS IN THE FORM OF

A

Cu+2

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51
Q

————- ELEMENT IS REQUIRED FOR THE OVERALL METABOLISM IN THE PLANTS

A

COPPER

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52
Q

Cu+ IS REVERSIBLY OXIDISED TO ——–

A

Cu+2

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53
Q

COPPER IS INVOLVED WITH CERTAIN ENZYMES INVOLVED IN REDOX REACTIONS. TRUE OR FALSE

A

TRUE

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54
Q

BORON IS TAKEN UP BY THE PLANTS IN THE FORM OF

A

BO3-3 OR B4O7-2

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55
Q

WHICH ELEMENT IS REQUIRED FOR THE UPTAKE AND UTILIZATION OF Ca+2

A

BORON

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56
Q

FUNCTIONS OF BORON

A 
UPTAKE AND UTILIZATION OF Ca+2 
MEMBRANE FUNCTIONING 
POLLEN GERMINATION 
CELL ELONGATION 
CELL DIFFERENTIATION
CARBOHYDRATE TRANSLOCATION
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57
Q

MOLYBDENUM IN PLANTS IS TAKEN UP IN THE FORM OF

A

MoO2+2

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58
Q

WHICH ELEMENT IS A COMPONENT OF NITROGENASE AND NITRATE REDUCTASE ENZYME?

A

MOLYBDENUM

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59
Q

WHICH ENZYME HAS AN IMPORTANT ROLE IN NITROGEN METABOLISM?

A

MOLYBDENUM

60
Q

CHLORINE IS TAKEN UP BY THE PLANTS IN THE FORM OF

A

Cl-

61
Q

——— ELEMENT HELPS IN DETERMINING THE SOLUTE CONCENTRATION

A

CHLORINE

62
Q

WHICH ELEMENT ALSO HELPS IN DETERMINATION OF ANION-CATION BALANCE ALONG WITH Na+, K+?

A

CHLORINE

63
Q

WHICH ENZYME ALONG WITH MANGANESE HELPS IN A WATER SPLITTING REACTION?

A

CHLORINE

64
Q

THE CONCENTRATION OF THE ESSENTIAL ELEMENT BELOW WHICH PLANT GROWTH IS RETARDED IS KNOWN AS

A

CRITICAL CONCENTRATION

65
Q

THE MORPHOLOGICAL CHANGES WHICH ARE AN INDICATIVE OF CERTAIN ELEMENT DEFICIENCIES ARE CALLED ——-

A

DEFICIENCY SYMPTOMS

66
Q

THE PARTS OF PLANT WHICH SHOW DEFICIENCY DEPENDS ON WHICH FACTOR

A

NUTRIENT MOBILITY

67
Q

WHENEVER THE ELEMENTS ARE ACTIVELY MOBILISED TO THE YOUNG AND DEVELOPING TISSUES, THE DEFICIENCY FIRST APPEARS IN

A

OLDER TISSUES

68
Q

DEFICIENCY OF WHICH ELEMENTS APPEAR IN THE SENESCENT LEAVES

A

N, K, Mg

69
Q

WHENEVER THE ELEMENTS ARE RELATIVELY IMMOBILE, THE DEFICIENCY SYMPTOMS APPEAR IN

A

YOUNGER TISSUES

70
Q

WHICH ELEMENT TENDS TO BE RELATIVELY IMMOBILE DUE TO ITS PRESENCE IN THE STRUCTURAL COMPONENT OF THE CELL

A

CALCIUM

71
Q

CHLOROSIS IS THE LOSS OF ——–

A

CHLOROPHYLL

72
Q

CHLOROSIS OCCURS DUE TO THE DEFICIENCY OF

A

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

73
Q

NECROSIS IS KNOWN AS ——-

A

THE DEATH OF THE TISSUE

PARTICULARLY THE LEAF TISSUE

74
Q

NECROSIS IS DUE TO THE DEFICIENCY OF THE ELEMENTS

A

Ca, Mg, Cu, K

75
Q

INHIBITION OF CELL DIVISION IS DUE TO THE DEFICIENCY OF THE ELEMENTS

A

N, K, S, Mo

76
Q

DELAY IN FLOWERING IS SHOWN DUE TO THE DEFICIENCY OF THE ELEMENTS

A

N, S, Mo

77
Q

A MODERATE INCREASE IN THE AMOUNT OF THE ELEMENTS PRESENT IN THE PLANT BODY CAUSES

A

TOXICITY

78
Q

WHICH MINERAL IS CONSIDERED AS TOXIC TO THE PLANT?

A

THE MINERAL WHOSE CONCENTRATION REDUCES THE DRY WEIGHT OF THE TISSUES BY ABOUT 10%

79
Q

THE DEFICIENCY OF MANGANESE IS CHARACTERISED BY THE APPEARENCE OF

A

DARK BROWN SPOTS SURROUNDED BY CHLOROTIC VEINS

80
Q

MANGANESE COMPETES WITH WHICH TWO ELEMENTS

A

IRON AND MAGNESIUM

81
Q

Mn COMPETES WITH ———- AND ———– FOR THE UPTAKE

A

Mg AND Fe

82
Q

Mn COMPETES WITH ———— FOR BINDING OF THE ENZYMES

A

Mg

83
Q

WHICH ELEMENT INHIBITS THE TRANSLOCATION OF Ca IN SHOOT APEX

A

Mn

84
Q

EXCESS OF Mn PRODUCES THE DEFICIENCIES OF WHICH THREE ELEMENTS

A

Fe, Mg, Ca

85
Q

THE PROCESS OF ABSORPTION OCCURS IN TWO PHASES. WHAT ARE THE TWO PHASES?

A

APOPLAST

SYMPLAST

86
Q

APOPLAST -

A

AN INITIAL RAPID UPTAKE OF IONS INTO THE FREE OR OUTER SPACE OF THE CELLS

87
Q

APOPLAST IS PASSIVE OR ACTIVE PROCESS

A

PASSIVE PROCESS

88
Q

SYMPLAST IS

A

THE UPTAKE OF THE IONS INTO THE INNER SPACE IS CALLED AS SYMPLAST

89
Q

SYMPLAST IS AN ACTIVE OR PASSIVE PROCESS

A

ACTIVE PROCESS

90
Q

PASSIVE MOVEMENT OF IONS INTO THE APOPLAST OCCURS THROUGH

A

THROUGH ION-CHANNELS, TRANS-MEMBRANE THAT FUNCTIONS AS SELECTIVE PORES

91
Q

THE MOVEMENT OF IONS IS CALLED AS ——

A

FLUX
INWARD MOVEMENT - INFLUX
OUTWARD MOVEMENT - EFFLUX

92
Q

MINERAL SALTS ALOBG WITH A STREAM OF WATER ARE TRANSLOCATED THROUGH ——-

A

XYLEM

93
Q

WATER AND MINERAL SALTS ARE TRANSLOCATED THROUGH

A

XYLEM

94
Q

WHY THE NUTRITION OBTAINED FROM THE ELEMENTS HAVE BEEN REGARDED AS MINERAL NUTRITION?

A

IT IS BECAUSE THE ELEMENTS ARE OBTAINED FROM THE ROCK MINERAL

95
Q

THE COMPONENTS OF THE FERTILISERS ARE

A

BOTH MACRONUTRIENTS AND MICRONUTRIENTS

96
Q

SOIL HARBOURS WHICH TYPE OF BACTERIA

A

NITROGEN - FIXING BACTERIA

97
Q

WHICH ELEMENT IS A LIMITING NUTRIENT FOR BOTH NATURAL AND AGRICULTURAL ECOSYSTEM?

A

NITROGEN

98
Q

THE PROCESS OF CONVERSION OF NITROGEN TO AMMONIA IS CALLED AS

A

NITROGEN - FIXATION

99
Q

HOW IS NITROGEN CONVERTED INTO OXIDES OF NITROGEN IN THE NATURE?

A

LIGHTNING AND UV RADIATIONS PROVIDE ENOUGH ENERGY FOR THIS CONVERSION

100
Q

MAN MADE SOURCES OF NITROGEN OXIDES

A

INDUSTRIAL COMBUSTIONS
FOREST FIRES
AUTOMOBILE EXHAUSTS
POWER STATIONS

101
Q

DECOMPOSITION OF ORGANIC NITROGEN OF DEAD PLANTS AND ANIMALS INTO AMMONIA

A

AMMONIFICATION

102
Q

MOST OF THE AMMONIA GETS CONVERTED INTO ———-

A

NITRATES

103
Q

AMMONIA IS FIRST OXIDISED TO NITRITES BY THE BACTERIA ——-

A

NITROSOMONAS OR NITROCOCCUS

104
Q

THE NITRITE IS FURTHER OXIDISED TO NITRATE WITH THE HELP OF WHICH BACTERIA

A

NITROBACTER

105
Q

CONVERSION OF AMMONIA INTO NITRATE IS CALLED

A

NITRIFICATION

106
Q

NITRIFICATION IS CARRIED OUT BY WHICH BACTERIA

A

CHEMOAUTOTROPHS

107
Q

IN THE LEAVES THE NITRATES FORMED IS REDUCED TO

A

AMMONIA THAT FINALLY FORMS AMINE GROUP OF AMINO ACIDS

108
Q

NITRATE PRESENT IN THE SOIL IS REDUCED TO NITROGEN BY THE PROCESS

A

DENITRIFICATION

109
Q

THE PROCESS OF DENITRIFICATION IS CARRIED OUT BY WHICH BACTERIA

A

PSEUDOMONAS AND THIOBACILLUS

110
Q

VERY FEW LIVING ORGANISMS CAN UTILISE THE N2 AVAILABLE ABUNDANTLY IN THE AIR. TRUE OR FALSE

A

TRUE

111
Q

CERTAIN ——— SPECIES ARE CAPABLE OF FIXING NITROGEN

A

PROKARYOTIC

112
Q

REDUCTION OF NITROGEN TO AMMONIA BY LIVING ORGANISMS IS CALLED

A

BIOLOGICAL NITROGEN FIXATION

113
Q

WHICH IS THE ENZYME PRESENT IN THE PROKARYOTES AND IS RESPONSIBLE FOR THE NITROGEN REDUCTION

A

NITROGENASE ENZYME

114
Q

FREE LIVING NITROGEN FIXING BACTERIA ARE

A

AZOTOBACTER AND BEIJERNICKIA

115
Q

FREE LIVING ANAEROBIC BACTERIA IS

A

RHODOSPIRILLIUM

116
Q

BACILLUS IS FREE LIVING AEROBIC BACTERIA. TRUE OR FALSE

A

TRUE

117
Q

THE FREE LIVING NITROGEN-FIXING CYANOBACTERIA ARE

A

ANABENA AND NOSTOC

118
Q

RHIZOBIUM IS FREE LIVING OR SYMBIOTIC

A

SYMBIOTIC

119
Q

RHZOBIUM FORMS ASSOCIATIONS WITH WHICH ALL LEGUMES

A

ALFALFA, SWEET CLOVER, SWEET PEA, LENTILS, GARDEN PEA, BROAD BEAN, CLOVER BEANS

120
Q

THE MOST COMMON ASSOCIATION IN THE FORM OF

A

ROOT NODULES

121
Q

WHAT ARE ROOT NODULES?

A

SMALL OUTGROWTHS ON THE ROOTS

122
Q

FRANKIA PRODUCES THE NODULES ON THE ROOTS OF LEGUMINOUS OR NON-LEGUMINOUS PLANTS

A

NON-LEGUMINOUS PLANTS SUCH AS ALNUS

123
Q

RHIZOBIUM AND FRANKIA ARE ———- IN SOIL AND FORMS ——— ASSOCIATIONS WITH THE ROOTS

A

FREE-LIVING

SYMBIOTIC

124
Q

WHAT MAKES THE NODULES PINK IN COLOUR?

A

IT IS DUE TO THE PRESENCE OF LEG-HAEMOGLOBIN OR LEGUMINOUS HAEMOGLOBIN

125
Q

NODULE FORMATION IS A RESULT OF MULTIPLE INTERACTIONS BETWEEN ROOTS OF HOST PLANTS AND RHIZOBIUM. TRUE OR FALSE

A

TRUE

126
Q

RHIZOBIUM GETS ATTACHED TO THE ——- AND ——– CELLS OF THE ROOTS OF THE PLANTS

A

EPIDERMAL AND ROOT HAIR

127
Q

THE INFECTION THREAD PRODUCED BY THE BACTERIA REACHES UP TO ——–

A

CORTEX OF THE ROOT PLANT

128
Q

WHAT ARE THE NECESSARY BIOCHEMICAL COMPONENTS PRESENT IN THE NODULE

A

LEGHAEMOGLOBIN AND ENZYME NITROGENASE

129
Q

NITROGENASE ENZYME IS A ———– PROTEIN WHICH CATALYSES THE CONVERSION OF ATMOSPHERIC NITROGEN TO AMMONIA

A

Mo-Fe PROTEIN

130
Q

FIRST STABLE PRODUCT OF NITROGEN FIXATION BY RHIZOBIUM IS

A

AMMONIA

131
Q

NITROGENASE ENZYME IS HIGHLY SENSITIVE TO ——-

A

OXYGEN

132
Q

OXYGEN SCAVENGER IS

A

LEG-HAEMOGLOBIN

133
Q

THE MICROBES LIVE UNDER ——— CONDITIONS WHEN THEY ARE FREE LIVING BUT BECOME ———— WHEN THEY FORM SYMBIOTIC ASSOCIATIONS

A

AEROBIC

ANAEROBIC

134
Q

FOR EACH MOLECULE OF NH3 HOW MANY MOLECULES OF ATP ARE REQUIRED?

A

8 ATP

135
Q

THE ENERGY REQUIRED FOR THE PRODUCTION OF AMMONIA IS OBTAINED FROM

A

THE RESPIRATION PROCESS OF PLANTS

136
Q

AMMONIUM IONS ARE TOXIC FOR THE PLANTS TO ASSIMILATE THEM. TRUE OR FALSE

A

TRUE

137
Q

IN HOW MANY WAYS AMMONIUM IONS ARE USED TO SYNTHESISE AMINO ACIDS IN THE PLANTS

A

2 WAYS
REDUCTIVE AMINATION
TRANSAMINATION

138
Q

WHAT HAPPENS IN REDUCTIVE AMINATION?

A

AMMONIUM ION REACTS WITH ALPHA - KETOGLUTARIC ACID AND FORMS GLUTAMIC ACID

139
Q

WHICH ENZYME IS USED FOR THE CONVERSION OF REDUCTIVE AMINATION?

A

GLUTAMATE DEHYDROGENASE

140
Q

WHAT HAPPENS IN TRANSAMINATION?

A

TRANSFER OF AMINO GROUP FROM ONE AMINO ACID TO THE KETO GROUP OF A KETO ACID

141
Q

WHICH ENZYME CATALYSES THE TRANSAMINATION PROCESS?

A

TRANSAMINASE

142
Q

WHICH IS THE MAIN AMINO ACID FROM WHICH THE TRANSFER OF AMINO GROUP TAKES PLACE?

A

GLUTAMIC ACID

143
Q

WHICH ARE THE TWO MOST IMPORTANT AMIDES FOUND IN THE STRUCTURAL PART OF PROTEINS?

A

ASPARGINE AND GLUTAMINE

144
Q

ASPARGINE AND GLUTAMINE IS FORMED BY THE PROCESS OF TRANSAMINATION. THESE TWO AMIDES ARE FORMED FROM WHICH AMINO ACIDS?

A

ASPARTIC ACID AND GLUTAMIC ACID RESPECTIVELY BY THE ADDITION OF ANOTHER AMINO GROUP TO EACH

145
Q

WHICH PLANT’S ROOT NODULES EXPORT THE FIXED NITROGEN AS UREIDS?

A

SOYABEAN

146
Q

AMIDES CONTAIN MORE NITROGEN THAN AMINO ACIDS. HENCE THEY ARE TRANSPORTED THROUGH XYLEM.
TRUE OR FALSE

A

TRUE

147
Q

AMMONIA PRODUCED BY THE NITROGEN FIXATION IS INCORPORATED INTO AMINO ACIDS AS THE AMINO GROUP.
TRUE OR FALSE

A

TRUE

BIOLOGY (11 decks)

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