Solved papers for NEET Biology NEET PYQ-Mineral Nutrition In Plants

done NEET PYQ-Mineral Nutrition In Plants Total Questions - 52

• question_answer1) Which of the following is non-symbiotic biofertilizer? [AIPMT 1998]
  A)
  VAM
  done clear
  B)
  Azotobacter
  done clear
  C)
  Anabaena
  done clear
  D)
  Rhizobium
  done clear
  View Answer play_arrow

• question_answer2) The plants growing in magnesium-deficient soil, but sprayed with urea would show: [AIPMT 2000]
  A)
  deep green foliage
  done clear
  B)
  loss of pigments in petals
  done clear
  C)
  early flowering
  done clear
  D)
  yellowing of leaves
  done clear
  View Answer play_arrow

• question_answer3) Zinc as a nutrient is used by the plants in m form of: [AIPMT 2000]
  A)
  Zn
  done clear
  B)
  Zn2+           
  done clear
  C)
  ZnO
  done clear
  D)
  ZnSO4
  done clear
  View Answer play_arrow

• question_answer4) Enzyme first used for nitrogen fixation is: [AIPMT 2001]
  A)
  nitrogenase
  done clear
  B)
  nitroreductase
  done clear
  C)
  transferase
  done clear
  D)
  transaminase
  done clear
  View Answer play_arrow

• question_answer5) Passive absorption of minerals depends on: [AIPMT 2001]
  A)
  temperature
  done clear
  B)
  temperature and metabolic inhibitor
  done clear
  C)
  metabolic inhibitor
  done clear
  D)
  humidity
  done clear
  View Answer play_arrow

• question_answer6) Which aquatic fern performs nitrogen fixation? [AIPMT 2001]
  A)
  Azolla
  done clear
  B)
  Nostoc
  done clear
  C)
  Salvia
  done clear
  D)
  Salvinia
  done clear
  View Answer play_arrow

• question_answer7) Roots of which plant contains a red pigment which have affinity for oxygen?   [AIPMT 2001]
  A)
  Carrot
  done clear
  B)
  Soyabean
  done clear
  C)
    Mustard
  done clear
  D)
  Radish
  done clear
  View Answer play_arrow

• question_answer8) The major portion of the dry weight of plants comprises of: [AIPMT 2003]
  A)
  carbon, nitrogen and hydrogen
  done clear
  B)
  carbon, hydrogen and oxygen
  done clear
  C)
  nitrogen, phosphorus and potassium
  done clear
  D)
  calcium, magnesium and sulphur
  done clear
  View Answer play_arrow

• question_answer9) Which one of die following mineral elements plays an important role in biological nitrogen fixation? [AIPMT 2003]
  A)
  Zinc
  done clear
  B)
  Molybdenu
  done clear
  C)
  Copper
  done clear
  D)
  Manganese
  done clear
  View Answer play_arrow

• question_answer10) Plants deficient of element zinc, show its effect on the biosynthesis of plant growth hormone: [AIPMT 2003]
  A)
  ethylene
  done clear
  B)
  abscisic acid
  done clear
  C)
    auxin
  done clear
  D)
  cytokinin
  done clear
  View Answer play_arrow

• question_answer11) Boron in green plants assists in: [AIPMT 2003]
  A)
  photosynthesis
  done clear
  B)
  sugar transport
  done clear
  C)
  activation of enzymes
  done clear
  D)
  acting as enzyme cofactor
  done clear
  View Answer play_arrow

• question_answer12) Grey spots of oat are caused by deficiency of: [AIPMT 2003]
  A)
  Mn
  done clear
  B)
  Fe
  done clear
  C)
  Cu
  done clear
  D)
  Zn
  done clear
  View Answer play_arrow

• question_answer13) Which elements is located at the centre of the porphyrin ring in chlorophyll?      [AIPMT 2003]
  A)
  Potassium
  done clear
  B)
  Manganese
  done clear
  C)
    Calcium
  done clear
  D)
  None of theis
  done clear
  View Answer play_arrow

• question_answer14) The major role of minor elements inside living organisms is to act as: [AIPMT 2003]
  A)
  constituents of hormones
  done clear
  B)
  binder of cell structure
  done clear
  C)
  co-factors of enzymes
  done clear
  D)
  building blocks of important amino acids
  done clear
  View Answer play_arrow

• question_answer15) If by radiation all nitrogenase enzymes are inactivated, then there will be no:  [AIPMT (S) 2004]
  A)
  fixation of nitrogen in legumes     
  done clear
  B)
  fixation of atmospheric nitrogen
  done clear
  C)
  conversion from nitrate to nitrite in legumes
  done clear
  D)
  conversion from ammonium to nitrate in soil
  done clear
  View Answer play_arrow

• question_answer16) Gibberellin is a plant growth hormone which was first time obtained from a fungus Gibbretia fujikuori (Fusarium moniliformi). The most abundant element present in the plants is: [AIPMT (S) 2004]
  A)
  carbon
  done clear
  B)
  nitrogen
  done clear
  C)
  manganese
  done clear
  D)
  iron
  done clear
  View Answer play_arrow

• question_answer17) The deficiencies of micro-nutrients, 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? [AIPMT (S) 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
  View Answer play_arrow

• question_answer18) All of the following statements concerning the actinomycetous filamentous soil bacterium Frankia are correct except that Frankia: [AIPMT (S) 2005]
  A)
  can induce root nodules on many plant species      
  done clear
  B)
  can fix nitrogen in the free-living state
  done clear
  C)
  like Rhizobium, it usually infects its host plant through root hair deformation and stimulates cell proliferation in the host's cortex
  done clear
  D)
  forms specialized vesicles in which the nitrogenase is protected from oxygen by a chemical barrier involving triterpene hopanoid
  done clear
  View Answer play_arrow

• question_answer19) Sulphur is an important nutrient for optimum growth and productivity in: [AIPMT (S) 2006]
  A)
  pulse crops
  done clear
  B)
  cereals
  done clear
  C)
  fibre crops
  done clear
  D)
  oilseed crops
  done clear
  View Answer play_arrow

• question_answer20) Which of the following is a flowering plant with nodules containing filamentous nitrogen-fixing microorganism?    [AIPMT (S) 2007]
  A)
  Casuarina equisetifolia
  done clear
  B)
  Crotolaria juncea
  done clear
  C)
  Cycas revolute
  done clear
  D)
  Cicer arietinum
  done clear
  View Answer play_arrow

• question_answer21) Which one of the following elements is not an essential micronutrient for plant growth? [AIPMT (S) 2007]
  A)
  Mn
  done clear
  B)
  Zn
  done clear
  C)
  Cu
  done clear
  D)
  Ca
  done clear
  View Answer play_arrow

• question_answer22) A plant requires magnesium for: [AIPMT (S) 2007]
  A)
  holding cells together
  done clear
  B)
  protein synthesis
  done clear
  C)
  chlorophyll synthesis
  done clear
  D)
  cell wall development
  done clear
  View Answer play_arrow

• question_answer23) Nitrogen-fixation in root nodules of Alnus is brought about by [AIPMT (S) 2008]
  A)
  Bradyrhizobium
  done clear
  B)
  Clostridium
  done clear
  C)
  Frankia
  done clear
  D)
  Azorhizobium
  done clear
  View Answer play_arrow

• question_answer24) Manganese is required in [AIPMT (S) 2009]
  A)
  nucleic acid synthesis
  done clear
  B)
  plant cell wall formation
  done clear
  C)
  photolysis of water during photosynthesis
  done clear
  D)
  chlorophyll synthesis
  done clear
  View Answer play_arrow

• question_answer25) Which of the following is a symbiotic nitrogen fixer? [AIPMT (S) 2009]
  A)
  Glomus
  done clear
  B)
  Azotobacter
  done clear
  C)
  Frankia
  done clear
  D)
  Azolla
  done clear
  View Answer play_arrow

• question_answer26) Leguminous plants are able to fix atmospheric nitrogen through the process of symbiotic nitrogen fixation. Which one of the following statement is not correct during the process of nitrogen fixation?            [AIPMT (M) 2010]
  A)
  Leghaemoglobin scavenges oxygen and is pinkish in colour
  done clear
  B)
  Nodules act as a site for nitrogen fixation
  done clear
  C)
  The enzyme nitrogenase catalyses the conversion of atmospheric \[{{N}_{2}}\]to \[N{{H}_{3}}\]
  done clear
  D)
  Nitrogenase is insensitive to oxygen
  done clear
  View Answer play_arrow

• question_answer27) Study the cycle shown below and select the option which gives correct words for all the four blanks A, B, C and D. [AIPMT (M) 2010]
  A)

  Nitrification

  Ammonification

  Animals

  Plants

  done clear
  B)
  De-nitrification Ammonitication Plants Animals
  done clear
  C)

  Nitrification

  De-nitrification

  Animals

  Plants

  done clear
  D)

  De-nitrification

  Nitrification

  Plants

  Animals

  done clear
  View Answer play_arrow

• question_answer28) An element playing important role in nitrogen fixation is [AIPMT (S) 2010]
  A)
  molybdenum
  done clear
  B)
  copper
  done clear
  C)
  manganese
  done clear
  D)
  zinc
  done clear
  View Answer play_arrow

• question_answer29) Which one of the following is not a micronutrient? [AIPMT (S) 2010]
  A)
  Molybdenum
  done clear
  B)
  Magnesium
  done clear
  C)
  Zinc
  done clear
  D)
  Boron
  done clear
  View Answer play_arrow

• question_answer30) The free-living, anaerobic nitrogen-fixer is   [AIPMT (S) 2010]
  A)
  Beyermcfcia
  done clear
  B)
  Rhodospiriiium
  done clear
  C)
  Rhizobium
  done clear
  D)
  Azotobacter
  done clear
  View Answer play_arrow

• question_answer31) The common nitrogen-fixer in paddy fields is [AIPMT (S) 2010]
  A)
  Rhizobium
  done clear
  B)
  Azospirillum
  done clear
  C)
  Oscillatoria
  done clear
  D)
  Frankia
  done clear
  View Answer play_arrow

• question_answer32) Which one of the following is not an essential mineral elements for plants while the remaining three are? [AIPMT (M) 2011]
  A)
  Iron
  done clear
  B)
  Manganese
  done clear
  C)
  Cadmium
  done clear
  D)
  Phosphorus
  done clear
  View Answer play_arrow

• question_answer33) The function of leg haemoglobin in the root nodules of legumes is [AIPMT (S) 2011]
  A)
  oxygen removal
  done clear
  B)
  nodule differentiation
  done clear
  C)
  expression of nif gene
  done clear
  D)
  inhibition of nitrogenase activity
  done clear
  View Answer play_arrow

• question_answer34) Which one of the following elements in plants is not remobilised? [AIPMT (S) 2011]
  A)
  Calcium
  done clear
  B)
  Potassium
  done clear
  C)
  Sulphur
  done clear
  D)
  Phosphorus
  done clear
  View Answer play_arrow

• question_answer35) For its action, nitrogenase requires [AIPMT (M) 2012]
  A)
  high input of energy
  done clear
  B)
  light
  done clear
  C)
  (c)\[\text{M}{{\text{n}}^{\text{2+}}}\]
  done clear
  D)
  super oxygen radicals
  done clear
  View Answer play_arrow

• question_answer36) Which one of the following is correctly matched? [AIPMT (S) 2012]
  A)
  Passive transport of nutrients - ATP
  done clear
  B)
  Apoplast - Plasmodesmata
  done clear
  C)
  Potassium - Readily immobilization
  done clear
  D)
  Bakane of rice seedlings - F Skoog
  done clear
  View Answer play_arrow

• question_answer37) Which one of the following is wrong statement? [AIPMT (S) 2012]
  A)
  Anabaena and Nostoc are capable of fixing nitrogen in free-living state also
  done clear
  B)
  Root nodule forming nitrogen fixers live as aerobes under free-living conditions
  done clear
  C)
  Phosphorus is a constituent of cell membranes, certain nucleic acids and all proteins
  done clear
  D)
  Nitrosomonas and Nitrobacter are chemoautotroph
  done clear
  View Answer play_arrow

• question_answer38) A nitrogen fixing microbe associated with Azolla in rice fields is [AIPMT (S) 2012]
  A)
  Spirulina
  done clear
  B)
  Andbaena
  done clear
  C)
  Frankia
  done clear
  D)
  Tolypothrix
  done clear
  View Answer play_arrow

• question_answer39) The most abundant intracellular cation is [NEET 2013]
  A)
  \[N{{a}^{+}}\]
  done clear
  B)
  \[C{{a}^{2+}}\]
  done clear
  C)
  (c)\[{{H}^{+}}\]
  done clear
  D)
  \[{{K}^{+}}\]
  done clear
  View Answer play_arrow

• question_answer40) The first stable product of fixation of atmospheric nitrogen in leguminous plants is       [NEET 2013]
  A)
  \[NO_{2}^{-}\]
  done clear
  B)
  ammonia
  done clear
  C)
  \[NO_{3}^{-}\]
  done clear
  D)
  glutamate
  done clear
  View Answer play_arrow

• question_answer41) Natural reservoir of phosphorus is  [NEET 2013]
  A)
  sea water
  done clear
  B)
  animal bones
  done clear
  C)
  rock
  done clear
  D)
  fossils
  done clear
  View Answer play_arrow

• question_answer42) Deficiency symptoms of nitrogen and potassium are visible first in [NEET 2014]
  A)
  senescent leaves
  done clear
  B)
  young leaves
  done clear
  C)
  roots
  done clear
  D)
  buds           
  done clear
  View Answer play_arrow

• question_answer43) Minerals known to be required in large amounts for plant growth include [NEET 2015]
  A)
  phosphorus, potassium, sulphur, calcium
  done clear
  B)
  calcium, magnesium, manganese, copper
  done clear
  C)
  potassium, phosphorus, selenium, boron
  done clear
  D)
  magnesium, sulphur, iron, zinc
  done clear
  View Answer play_arrow

• question_answer44) During   biological   nitrogen   fixation, inactivation of nitrogenase by oxygen poisoning is prevented by [NEET (Re) 2015]
  A)
  leghaemoglobin
  done clear
  B)
  xanthophyll
  done clear
  C)
  carotene
  done clear
  D)
  cytochrome
  done clear
  View Answer play_arrow

• question_answer45) Root pressure develops due to [NEET (Re) 2015]
  A)
  active absorption
  done clear
  B)
  low osmotic potential in soil
  done clear
  C)
  passive absorption
  done clear
  D)
  increase in transpiration
  done clear
  View Answer play_arrow

• question_answer46) The oxygen evolved during photosynthesis comes from water molecules. Which one of the following pairs of elements involved in this reaction? [NEET (Re) 2015]
  A)
  Manganese and chlorine
  done clear
  B)
  Manganese and potassium
  done clear
  C)
  Magnesium and molybdenum
  done clear
  D)
  Magnesium and chlorine
  done clear
  View Answer play_arrow

• question_answer47) Which is essential for the growth of root tip? [NEET - 2016 Phase-II]
  A)
  \[Zn\]
  done clear
  B)
  \[Fe\]
  done clear
  C)
  \[Ca\]
  done clear
  D)
  \[Mn\]
  done clear
  View Answer play_arrow

• question_answer48) Absorbed by plants? [NEET - 2018]
  A)
  Free element      
  done clear
  B)
  Ferrous
  done clear
  C)
  Ferric
  done clear
  D)
  Both ferric and ferrous
  done clear
  View Answer play_arrow

• question_answer49) The product(s) of reaction catalyzed by nitrogenase in root nodules of leguminous plants is/are [NEET 2020]
  A)
  Nitrate alone
  done clear
  B)
  Ammonia and oxygen
  done clear
  C)
  Ammonia and hydrogen
  done clear
  D)
  Ammonia alone
  done clear
  View Answer play_arrow

• question_answer50) Match the following concerning essential elements and their functions in plants [NEET 2020]

  [a]	Iron	(i)	Photolysis of water
  [b]	Zinc	(ii)	Pollen germination
  [c]	Boron	(iii)	Required for chlorophyll biosynthesis
  [d]	Manganese	(iv)	IAA biosynthesis

  A)
  [a]-(iv), [b]-(iii), [c]-(ii), [d](i)
  done clear
  B)
  [a]-(iii), [b]-(iv), [c]-(ii), [d]-(i)
  done clear
  C)
  [a]-(iv), [b]-(i), [c]-(ii), [d](iii)
  done clear
  D)
  [a]-(ii), [b]-(i), [c]-(iv), [d]-(iii)
  done clear
  View Answer play_arrow

• question_answer51) The process responsible for facilitating loss of water in liquid form from the tip of grass blades at night and in early morning is [NEET 2020]
  A)
  Root pressure
  done clear
  B)
  Imbibition
  done clear
  C)
  Plasmolysis
  done clear
  D)
  Transpiration
  done clear
  View Answer play_arrow

• question_answer52) Name the plant growth regulator which upon spraying on sugarcane crop, increases the length of stem, thus increasing the yield of sugarcane crop. [NEET 2020]
  A)
  Gibberellin
  done clear
  B)
  Ethylene
  done clear
  C)
  Abscisic acid
  done clear
  D)
  Cytokinin
  done clear
  View Answer play_arrow