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Neet Botany Mineral Nutrition Mcq
Quiz 6
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Q.1
Where do bacteroides occur .... [MPPMT 2010]
0%
a) Leaves
0%
b) Root nodules
0%
c) Stem
0%
d) Flower
Explanation
Answer : (b)
Q.2
Plants growing in urea sprayed but Mg deficient soil will show ... .... [ CBSE 2000 ]
0%
a) Deep green foliage
0%
b) Early flowering
0%
c) Yellowing leaves
0%
d) Loss of pigmentation in petals
Explanation
Answer : (c)
Q.3
Primary and secondary active transports, both ... ... [ WB. 2008]
0%
a) Generated ATP
0%
b) Use ATP
0%
c) Can move solutes against their concentration gradients
0%
d) Include passive movement of glucose molecule
Explanation
Answer : (c)
Q.4
Microelement required for synthesis of IAA is also a cofactor for enzyme ... ... [ EAMCET 2002]
0%
a) Nitrogenase
0%
b) Catalase
0%
c) PEP carboxylase
0%
d) Carbonic anhydrase
Explanation
Answer : (d)
Q.5
Necrosis of tissue, particularly leaf tissue is due to deficiency of .... ...[ DPMT 2011]
0%
a) N, K, Mg, Fe, Mn, Zn, and Mo
0%
b) Ca, Mg, Cu, S, Mo and K
0%
c) N, K nad S
0%
d) N, K, Mg and Fe
Explanation
Answer : (b)
Q.6
Passage of minerals from top soil to subsoil through seepage of water is known as .... ... [ AIIMS 1990]
0%
a) Leaching
0%
b) Percolation
0%
c) Conduction
0%
d) transpiration
Explanation
Answer:(a)
Q.7
Conversion of ammonia to nitrite by microbe is ... .... [ Wardha 2003]
0%
a) Nitrification
0%
b) Nitrogen fixation
0%
c) Eutrophication
0%
d) Denitrification
Explanation
Answer : (a)
Q.8
Which is the role of molybdenum ... ..... [ JIPMER 2002]
0%
a) Nitrogen fixation
0%
b) Flower induction
0%
c) Chromosome contraction
0%
d) Carbon assimilation
Explanation
Answer : (a)
Q.9
Leghaemoglobin functions as .... ... [ AFMC 2011]
0%
a) Oxygen scavenger
0%
b)Nitrogen scavenger
0%
c) CO2 scavenger
0%
d) Hydrogen carrier
Explanation
Answer : (a)
Q.10
Yield of Rice is enhanced by ... ..... [ BHU 2006]
0%
a) Azolla
0%
b) Anabaena
0%
c) Nostoc
0%
d) Clostridium
Explanation
Answer : (a)
Q.11
Simultaneous movement of two molecules across a membrane in the same direction is known as .... ...[ DPMT 2010]
0%
a) Antiport
0%
b) Uniport
0%
c) Symport
0%
d) Biport
Explanation
Answer : (c)
Q.12
ATP molecules combine with carries molecules and allow passage of substances ... ... [ Pb. PMT 2000 ]
0%
a) Along concentration gradient
0%
b) Against concentration gradient
0%
c) Both a and b
0%
d) ATP is not required
Explanation
Answer : (b)
Q.13
Magnesium is required for ... .....
0%
a) DNA replication
0%
b) RNA synthesis
0%
c) Stomatal movements
0%
d) Synthesis of chlorophyll
Explanation
Answer : (d)
Q.14
Element essential for photolysis of water is .... .... [ MPPMT 1997]
0%
a) Nitrogen
0%
b) Oxygen
0%
c) Chlorine
0%
d) Carbon
Explanation
Answer:(c)
Q.15
An element playing important role in nitrogen fixation is .... .... [ CBSE 2010]
0%
a) Copper
0%
b) Manganese
0%
c) Zinc
0%
d) Molybdenum
Explanation
Answer : (d)
Q.16
Scientist credited with development of formula for balanced solution of mineral elements is ... .... [ MPPMT 1990]
0%
a) Knop
0%
b) Went
0%
c) Hill
0%
d) Emerson
Explanation
Answer : (a)
Q.17
All the nitrogenase enzyme has been inactivated by radiation. there will be no .... .... [ CBSE 2004]
0%
a) Fixation of atmospheric nitrogen
0%
b) Fixation of nitrogen by legumes
0%
c) Conversion of nitrate to nitrite in legumes
0%
d) Conversion of ammonia to nitrate in soil
Explanation
The enzyme nitrogenase is required for the process of biological nitrogen fixation only. Fixation of atmospheric nitrogen occur through other route also. Neither nitrification (conversion of ammonium to nitrate) nor conversion of nitrate to nitrite require nitrogenase. Answer : (b)
Q.18
What is required for nitrogen fixation by Rhizobium .... ... [ MHTCET 2011]
0%
a) CO2
0%
b) O2
0%
c) Heterocyst
0%
d) Potassium
Explanation
Answer : (b)
Q.19
Match the columns .. ... [ kerala 2008]
a) Calcium
Chlorotic veins
b) Potassium
Delayed germination of seeds
c) Zinc
Necrosis of young leaves
d) Iron
Scorched leaf tip
e) Phosphorus
Malformed leaves
0%
a) a -3 , b - 1, c - 5, d - 2, e - 4
0%
b) a - 1, b - 4, c - 5, d - 3, e - 2
0%
c) a - 2, b - 3, c - 4, d - 1, e - 5
0%
d) a - 3, b - 4, c - 5, d - 1, e - 2
Explanation
Answer : (d)
Q.20
Which one helps in absorption of phosphorus from soil by plants ... .... [ CBSE 2011]
0%
a) Frankia
0%
b) Anabaena
0%
c) Glomus
0%
d) Rhizobium
Explanation
Answer : (c)
Q.21
For its activity nitrogenase requires .... ... [ CBSE 2012]
0%
a) High input of energy
0%
b) Light
0%
c) Mn2+
0%
d) Super oxygen radicals
Explanation
Answer : (a)
Q.22
Plant require Fe and Mg for ... ... [ JIPMER 1997]
0%
a) Synthesis of chlorophyll
0%
b) opening and closing of stomata
0%
c) Energy transfer during photosynthesis and respiration
0%
d) translocation of carbohydrate
Explanation
Answer : (a)
Q.23
Component of nitrogenase and nitrate reductase is ... ... [ BHU 2012]
0%
a) N
0%
b) Mo
0%
c) Co
0%
d) No specific component
Explanation
Answer : (b)
Q.24
Sink is related to ... ... [ MPPMT 1997]
0%
a) Phytochrome
0%
b) Enzymes
0%
c) Stomata
0%
d) Transport of minerals
Explanation
Answer : (d)
Q.25
Which is a free living nitrogen fixing bacterium .... ... [ MPPMT 2012]
0%
a) Pseudomonas
0%
b) Azotobacter
0%
c) Nitrosomonas
0%
d) Rhizobium
Explanation
Answer : (b)
Q.26
ions are absorbed by the plants through .... ... [ RPMT 1992]
0%
a) Molecular diffusion
0%
b) Carriers and pumps
0%
c) Difference in water potential
0%
d) Difference in D.P.D.
Explanation
Answer : (b)
Q.27
Nitrogen is not a constituent of ... ...[ CBSE 2003]
0%
a) Invertase
0%
b) Pepsin
0%
c) Bacteriochlorophyll
0%
d) Idioblast
Explanation
Answer : (d)
Q.28
Hydroponics is ... .... [ AIIMS 2001]
0%
a) Growing of aquatic plants
0%
b) Growing of floating aquatic plants
0%
c) Soil-less cultivation of plants
0%
d) Growing of plants inside water
Explanation
Answer : (c)
Q.29
Mineral requirement is studied through hydroponics which is related to growing plants in ... .... [ AMU 2002]
0%
a) Soil
0%
b) Air
0%
c) Solution
0%
d) Ponds
Explanation
Answer : (c)
Q.30
Chief sink of mineral elements is .... ..... [ RPMT 2011]
0%
a) Bark
0%
b) Ripe fruits
0%
c) Senescent leaves
0%
d) Lateral meristems
Explanation
Answer : (d)
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