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Mineral Nutrition · Question 8

NEET (UG) 2020MatchingEasy📈 Topic in 25% papers+4−1
1

Match the following concerning essential elements and their functions in plants Select the correct option

  1. (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
  2. (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
  3. (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
  4. (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)

Answer

(3) (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)

Solution

As per NCERT (Role of micronutrients):

(a) Iron is required for the formation of chlorophyll ⇒ (iii)

(b) Zinc is needed for the synthesis of auxin (IAA) ⇒ (iv)

(c) Boron is required for pollen germination ⇒ (ii)

(d) Manganese is involved in the splitting of water (photolysis) to liberate oxygen during photosynthesis ⇒ (i)

∴ (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)

Answer: (3)

Out of syllabusNEET (UG) 2020

Keep practising — Mineral Nutrition

2

The product(s) of reaction catalyzed by nitrogenase in root nodules of leguminous plants is/are

  1. Ammonia alone
  2. Nitrate alone
  3. Ammonia and oxygen
  4. Ammonia and hydrogen
Out of syllabusNEET (UG) 2020
3

Thiobacillus is a group of bacteria helpful in carrying out :

  1. Nitrification
  2. Denitrification
  3. Nitrogen fixation
  4. Chemoautotrophic fixation
NEET (UG) 2019
4

Which of the following elements is responsible for maintaining turgor in cells?

  1. Sodium
  2. Calcium
  3. Magnesium
  4. Potassium
Out of syllabusNEET 2018
5

In which of the following forms is iron absorbed by plants?

  1. Ferrous
  2. Both ferric and ferrous
  3. Ferric
  4. Free element
Out of syllabusNEET 2018
6

In which of the following all three are macronutrients?

  1. Molybdenum, magnesium, manganese
  2. Nitrogen, phosphorus, sulphur
  3. Boron, Zinc, manganese
  4. Iron, copper, molybdenum
Out of syllabusNEET 2016 (Phase 1)
7

Which is essential for the growth of root tip?

  1. Zn
  2. Fe
  3. Ca
  4. Mn
Out of syllabusNEET 2016 (Phase 2)
8

The oxygen evolved during photosynthesis, comes from water molecules. Which one of the following pairs of elements is involved in this reaction?

  1. Magnesium and Molybdenum
  2. Magnesium and Chlorine
  3. Manganese and chlorine
  4. Manganese and Potassium
Out of syllabusAIPMT 2015
9

During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by

  1. carotene
  2. cytochrome
  3. leghaemoglobin
  4. xanthophyll.
Out of syllabusAIPMT 2015
10

Minerals known to be required in large amounts for plant growth include

  1. potassium, phosphorus, selenium, boron
  2. magnesium, sulphur, iron, zinc
  3. phosphorus, potassium, sulphur, calcium
  4. calcium, magnesium, manganese, copper.
Out of syllabusAIPMT 2015 (Cancelled)
11

Deficiency symptoms of nitrogen and potassium are visible first in

  1. senescent leaves
  2. young leaves
  3. roots
  4. buds.
Out of syllabusAIPMT 2014

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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
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)