NEET Biology Mineral Nutrition In Plants Question Bank

done Micro Nutrients Total Questions - 47

• question_answer1)
  A trace element is an element which [CPMT 1971, 72]
  A)
  Is a radioactive and can be traced by Geiger counter done clear
  B)
  Is required in very minute amounts done clear
  C)
  Draws other element out of protoplasm done clear
  D)
  Was one of the first to be discovered in protoplasm done clear
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• question_answer2)
  Micro-nutrients are [CPMT 1985, 87, 2002]
  A)
  Less important in nutrition than macro-nutrients done clear
  B)
  As important in nutrition as macro-nutrients done clear
  C)
  May be omitted from culture media without any detrimental effect on the plant done clear
  D)
  Called micro because they play only minor role in nutrition done clear
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• question_answer3)
  Deficiency of molybdenum cause [CPMT 1986]
  A)
  Poor development of vasculature done clear
  B)
  Bending of leaf tip done clear
  C)
  Yellowing of leaves done clear
  D)
  Mottling and necrosis of leaves done clear
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• question_answer4)
  Which of the following is a micro-nutrient or a trace element [MP PMT 1990; CPMT 1980; DPMT 1985; RPMT 1995]
  A)
  Mg done clear
  B)
  Zn done clear
  C)
  Ca done clear
  D)
  P done clear
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• question_answer5)
  Photosynthetic photolysis of water takes place in presence of [MP PMT 1997]
  A)
  Mn done clear
  B)
  Cl done clear
  C)
  Both [a] and [b] done clear
  D)
  None of the above done clear
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• question_answer6)
  Copper is the component of
  A)
  Cytochrome oxidase done clear
  B)
  Plastocyanin done clear
  C)
  Both [a] and [b] done clear
  D)
  None of the above done clear
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• question_answer7)
  Which of the following is widely used metal cofactor [DPMT 1991; CBSE PMT 2003]
  A)
  \[C{{a}_{2}}\] done clear
  B)
  \[A{{l}_{3}}\] done clear
  C)
  \[N{{i}_{2+}}\] done clear
  D)
  \[M{{g}_{3+}}\] done clear
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• question_answer8)
  The cauliflower become brown due to deficiency of
  A)
  Sodium done clear
  B)
  Calcium done clear
  C)
  Boron done clear
  D)
  Nitrogen done clear
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• question_answer9)
  Apple fruit develop internal cork due to deficiency of
  A)
  Magnesium done clear
  B)
  Iron done clear
  C)
  Manganese done clear
  D)
  Boron done clear
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• question_answer10)
  Top rot of tobacco is due to deficiency  of
  A)
  Iron done clear
  B)
  Manganese done clear
  C)
  Molybdenum done clear
  D)
  Boron done clear
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• question_answer11)
  Mottle leaf in citrus plants is due to deficiency of
  A)
  Boron done clear
  B)
  Magnesium done clear
  C)
  Zinc done clear
  D)
  None of these done clear
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• question_answer12)
  The deficiency of molybdenum induces
  A)
  Citrus die back disease done clear
  B)
  Pea rossete disease done clear
  C)
  Cauliflower whip tail disease done clear
  D)
  White bud of maize done clear
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• question_answer13)
  ? Which of the following micro-element is absorbed by leaves
  A)
  Phosphorous done clear
  B)
  Boron done clear
  C)
  Zinc done clear
  D)
  Iron done clear
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• question_answer14)
  Symptoms of manganese deficiency can be overcome by the use of
  A)
  Manganese sulphate done clear
  B)
  Manganese dioxide done clear
  C)
  Colloidal manganese done clear
  D)
  None of these done clear
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• question_answer15)
  Elements which maintains the solubility of calcium in the cells
  A)
  Manganese done clear
  B)
  Copper done clear
  C)
  Iron done clear
  D)
  Boron done clear
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• question_answer16)
  The elements arsenic, copper and murcury have which of the following effect
  A)
  Catalytic effect done clear
  B)
  pH effect done clear
  C)
  Toxic effect done clear
  D)
  Antagonastic action done clear
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• question_answer17)
  Boron is absorbed as
  A)
  Borate ions done clear
  B)
  Solution in water done clear
  C)
  As boron trichloride done clear
  D)
  None of the above done clear
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• question_answer18)
  Places where there is copper deposit the  soil is
  A)
  Suitable for plant growth done clear
  B)
  Most suitable for plant growth done clear
  C)
  Toxic done clear
  D)
  None of the above done clear
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• question_answer19)
  Iron is present in which of the following
  A)
  Citrus fruits done clear
  B)
  Mango done clear
  C)
  Alurone grains done clear
  D)
  None of the above done clear
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• question_answer20)
  Which of the following is not a micro or trace element [MP PMT 1992, 2003]
  A)
  Boron done clear
  B)
  Molybdenum done clear
  C)
  Manganese done clear
  D)
  Calcium done clear
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• question_answer21)
  That element which helps in electron transport in the process of photosynthesis
  A)
  Zinc done clear
  B)
  Molybdenum done clear
  C)
  Boron done clear
  D)
  Chlorine done clear
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• question_answer22)
  The micronutrient least required by plants is [DPMT 1992]
  A)
  Cobalt done clear
  B)
  Nickel done clear
  C)
  Manganese done clear
  D)
  Boron done clear
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• question_answer23)
  Manganese\[\left( M{{n}^{++}} \right)\]ions are required in which part of the plant
  A)
  Leaves and fruits done clear
  B)
  Leaves and seeds done clear
  C)
  Fruits and seeds done clear
  D)
  Fruit and stem done clear
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• question_answer24)
  'Petiole crack' is caused by the deficiency of
  A)
  Potassium done clear
  B)
  Boron done clear
  C)
  Molybdenum done clear
  D)
  Iron done clear
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• question_answer25)
  Which one of the following elements plays an important role in biological nitrogen fixation [BHU 1985; CBSE PMT 1995; AIEEE 2004]
  A)
  Molybdenum done clear
  B)
  Manganese done clear
  C)
  Copper done clear
  D)
  Zinc done clear
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• question_answer26)
  Which one of the following nutrient serves as micro elements for plant growth [MP PMT 1995]
  A)
  Manganese, copper, calcium done clear
  B)
  Sodium, potassium, boron done clear
  C)
  Sodium, nickel, chlorine done clear
  D)
  Copper, molybdenum, zinc done clear
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• question_answer27)
  Which of the following is micro-element in plant [CBSE PMT 1996]
  A)
  Manganese done clear
  B)
  Nitrogen done clear
  C)
  Magnesium done clear
  D)
  Calcium done clear
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• question_answer28)
  Browning of cauliflower takes place due to deficiency of which one of the following elements
  A)
  Copper done clear
  B)
  Molybdenum done clear
  C)
  Potassium done clear
  D)
  Manganese done clear
  View Solution play_arrow

• question_answer29)
  Which one of the following is a micro-element
  A)
  Copper done clear
  B)
  Calcium done clear
  C)
  Magnesium done clear
  D)
  Oxygen done clear
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• question_answer30)
  One of the causes of littles leaf disease is due to deficiency of
  A)
  Copper done clear
  B)
  Sodium done clear
  C)
  Molybdenum done clear
  D)
  Zinc done clear
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• question_answer31)
  Fall of immature leaf is due to the deficiency of [AFMC 1997]
  A)
  Sulphur done clear
  B)
  Phosphorus done clear
  C)
  Sodium done clear
  D)
  Zinc done clear
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• question_answer32)
  Which of the following is the importance of molybdenum in plants metabolism [Pb. PMT 1999]
  A)
  Carbon assimilation done clear
  B)
  Nitrate reduction done clear
  C)
  Plant breeding done clear
  D)
  Chromosome contraction done clear
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• question_answer33)
  Which of the following element is a component of ferredoxin [CPMT 1989]
  A)
  Cu done clear
  B)
  Mn done clear
  C)
  Zn done clear
  D)
  Fe done clear
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• question_answer34)
  Deficiency of iron causes [BHU 1987; MP PMT 1995]
  A)
  Bending of leaf tip done clear
  B)
  Interveinal chlorosis first on young leaves done clear
  C)
  Decrease of protein synthesis done clear
  D)
  Reduced leaves and stunted growth done clear
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• question_answer35)
  Iron is mainly absorbed in the
  A)
  Ferrous form done clear
  B)
  Ferric form done clear
  C)
  Both [a] and [b] done clear
  D)
  None of these done clear
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• question_answer36)
  Heart rot of marigold is caused by the deficiency of
  A)
  Chlorine done clear
  B)
  Copper done clear
  C)
  Boron done clear
  D)
  Zinc done clear
  View Solution play_arrow

• question_answer37)
  Important contribution of molybdenum is [MP PMT 1992; JIPMER 2002; CBSE PMT 2003]
  A)
  Flower growth done clear
  B)
  Nitrogen fixation done clear
  C)
  Chromosome condensation done clear
  D)
  Carbon fixation done clear
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• question_answer38)
  Function of zinc is [MP PMT 1992]
  A)
  Synthesis of chlorophyll done clear
  B)
  Biosynthesis of 3  IAA done clear
  C)
  Closing of stomata done clear
  D)
  Oxidation of carbohydrate done clear
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• question_answer39)
  Cytochrome oxidase has [BHU 1984; AIIMS 1992]
  A)
  Mo done clear
  B)
  Fe done clear
  C)
  Zn done clear
  D)
  B done clear
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• question_answer40)
  In a Citrus plantation, all the plants were found to be suffering from the die-back disease, spraying of fungicides was of no help. This problem was due to the deficiency of
  A)
  Copper done clear
  B)
  Gibberellic acid done clear
  C)
  Zinc done clear
  D)
  Auxins done clear
  View Solution play_arrow

• question_answer41)
  Plastocyanin is a protein containing [BHU 1989; CPMT 1999]
  A)
  Mo done clear
  B)
  Zn done clear
  C)
  Fe done clear
  D)
  Cu done clear
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• question_answer42)
  Which of the following are trace elements
  A)
  Boron and manganese done clear
  B)
  Copper and zinc done clear
  C)
  Chlorine and molybdenum done clear
  D)
  All the above done clear
  View Solution play_arrow

• question_answer43)
  The plants accept Zn as [CBSE PMT 2000]
  A)
  \[Zn\] done clear
  B)
  \[Z{{n}^{2+}}\] done clear
  C)
  \[ZnO\] done clear
  D)
  \[ZnS{{O}_{4}}\] done clear
  View Solution play_arrow

• question_answer44)
  Gray speck disease in oats takes place by the deficiency of [CBSE PMT 2003]
  A)
  Zinc done clear
  B)
  Copper done clear
  C)
  Potassium done clear
  D)
  Manganese done clear
  View Solution play_arrow

• question_answer45)
  Boron in green plants assists in [CBSE PMT 2003]
  A)
  Sugar transport done clear
  B)
  Activation of enzymes done clear
  C)
  Acting as enzyme cofactor done clear
  D)
  Photosynthesis done clear
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• question_answer46)
  Major role of minor essential elements is to act as [AIEEE 2004]
  A)
  Co-factors of enzymes done clear
  B)
  Building blocks of important amino acids done clear
  C)
  Constituents of hormones done clear
  D)
  Binders of cell structure done clear
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• question_answer47)
  The deficiencies of micronutrients, not only affects growth of plants but also vital functions such as photosynthetic and mitochondrial electron flow. Among the list given below, which group of three elements shall affect most, both photosynthetic and mitochondrial electron transport   [CBSE PMT 2005]
  A)
  \[Cu,\,Mn,\,Fe\] done clear
  B)
  \[Co,\,Ni,\,Mo\] done clear
  C)
  \[Mn,\,Co,\,Ca\] done clear
  D)
  \[Ca,\,K,\,Na\] done clear
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