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Mineral Nutrition

AIPMT 2001MCQEasy📈 Topic in 25% papers+4−1
Ques. 1AIPMT 2001

Roots of which plant contain a red pigment which has affinity for oxygen?

  1. Carrot
  2. Soybean
  3. Mustard
  4. Radish

Answer

(2) Soybean

Solution

As per NCERT, the root nodules of legumes such as soybean contain leg-haemoglobin, a pinkish-red pigment.

Leg-haemoglobin has a high affinity for oxygen and acts as an oxygen scavenger, protecting the enzyme nitrogenase from oxygen.

∴ The plant is soybean.

Answer: (2)

Out of syllabus

Keep practising — Mineral Nutrition

Ques. 2AIPMT 2000

Mg is a component of

  1. chlorophyll
  2. cytochrome
  3. haemoglobin
  4. haemocyanin
Out of syllabus
Ques. 3AIPMT 2000

Plants take zinc in the form of

  1. ZnSO4
  2. Zn2+
  3. ZnO
  4. Zn
Out of syllabus
Ques. 4AIPMT 2000

When the plants are grown in magnesium deficient but urea rich soil, the symptoms expressed are

  1. yellowish leaves
  2. colourless petiole
  3. dark green leaves
  4. shoot apex dies
Out of syllabus

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All NEET Botany chapters
Class 11The Living WorldBiological ClassificationPlant KingdomMorphology of Flowering PlantsAnatomy of Flowering PlantsCell: The Unit of LifeCell Cycle and Cell DivisionTransport in PlantsMineral NutritionPhotosynthesis in Higher PlantsRespiration in PlantsPlant Growth and Development
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