Leghaemoglobin is produced in response to
1. respiration
2. photosynthesis
3. fatty acid synthesis
4. N2 fixation.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPlants do not get benefit from
(1) N2 in air
(2) O2 in air
(3) CO2 in air
(4) O3 in air.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following set of elements are essential for the photosynthesis to occurs
(1) Cu, Co, Fe
(2) Cu, Mo, Zn
(3) Mg, Co, Mn
(4) Mg, Fe, Mn, Cu, Cl, P
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich enzyme complex is responsible for the reduction of molecular nitrogen to the level of NH3 in
root module of legume?
(1) Aminase
(2) Nitrogenase
(3) Nitrate reductase
(4) Nitrite reductase
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following is not a microelement for plants?
(1) Cu
(2) B
(3) Zn
(4) Cr
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is correct set of micronutrient for plants?
1. Mg, Si Fe, Cu Ca
2. Cu, Fe, Zn, B, Mn
3. Mg, Fe, Zn, B, Mn
4. Mo, Zn, Cl, Mg, Ca
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe function of leghaemoglobin during biological nitrogen fixation in root nodules of legumes is to
1. convert atmospheric N2 to NH3
2. convert ammonia to nitrite
3. transport oxygen for activity of nitrogenase
4. protect nitrogenase from oxygen.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyHydroponics is
1. cultivation of plants in water
2. growth of plants towards water
3. growth of plants away from water
4. soilless cultivation of plants
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe function of leghaemoglobin is
1. to provide oxygen to leg muscles of nitrogen-fixing
2. to protect oxygen-sensitive enzymes of nitrogen fixing bacteria in the root nodules of
legumes
3. to walk to the sites where oxygen is required
4. to function when haemoglobin is not available.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySulphur is an important nutrient for optimum growth and productivity in:
1. pulse crops
2. cereals
3. fibre crops
4. oilseed crops
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology