PYQSide ExamsMy practice

Mineral Nutrition · Question 51

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

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 syllabusAIPMT 2001

Keep practising — Mineral Nutrition

2

Mg is a component of

  1. chlorophyll
  2. cytochrome
  3. haemoglobin
  4. haemocyanin
Out of syllabusAIPMT 2000
3

Plants take zinc in the form of

  1. ZnSO4
  2. Zn2+
  3. ZnO
  4. Zn
Out of syllabusAIPMT 2000
4

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 syllabusAIPMT 2000

All Mineral Nutrition PYQs →

PDFDownload Mineral Nutrition PYQs as PDF Free, with answer key and a QR code to every solution — print it or study offline⬇
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
Class 12Reproduction in OrganismsSexual Reproduction in Flowering PlantsPrinciples of Inheritance and VariationMolecular Basis of InheritanceStrategies for Enhancement in Food ProductionMicrobes in Human WelfareOrganisms and PopulationsEcosystemBiodiversity and ConservationEnvironmental Issues
Other chaptersBiomolecules (Biology)