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A farmer adds/supplies Na, Ca, Mg and Fe regularly to his fiel
Biology Exemplar
Biology Exemplar

Class 11

NCERT Exemplar

Publisher:
NCERT
Subject:
Biology
1

Chapter 1: The Living World

37 questions

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2

Chapter 2: Biological Classification

33 questions

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3

Chapter 3: Plant Kingdom

28 questions

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4

Chapter 4: Animal Kingdom

45 questions

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5

Chapter 5: Morphology of Flowering Plants

42 questions

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6

Chapter 6: Anatomy of Flowering Plants

52 questions

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7

Chapter 7: Structural Organization in Animals

48 questions

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8

Chapter 8: Cell: The Unit of Life

39 questions

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9

Chapter 9: Biomolecules

31 questions

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10

Chapter 10: Cell Cycle and Cell Division

43 questions

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11

Chapter 11: Transport in Plants

66 questions

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12

Chapter 12: Mineral Nutrition

39 questions

Q1
Carnivorous plants exhibit nutritional adaptation. Citing an example explain this fact.
Q2
A farmer adds/supplies Na, Ca, Mg and Fe regularly to his field and yet he observes that the plants show deficiency of Ca, Mg and Fe. Give a valid reason and suggest a way to help the farmer improve the growth of plants.
Q3
How is sulphur important for plants? Name the amino acids in which it is present.
View all question
13

Chapter 13: Photosynthesis in Higher Plants

59 questions

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14

Chapter 14: Respiration in Plants

42 questions

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15

Chapter 15: Plant Growth and Development

48 questions

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16

Chapter 16: Digestion and Absorption

34 questions

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17

Chapter 17: Breathing and Exchange of Gases

32 questions

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18

Chapter 18: Body Fluids and Circulation

42 questions

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19

Chapter 19: Excretory Products and their Elimination

44 questions

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20

Chapter 20: Locomotion and Movement

39 questions

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21

Chapter 21: Neural Control and Coordination

31 questions

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22

Chapter 22: Chemical Coordination and Integration

39 questions

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Question
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A farmer adds/supplies Na, Ca, Mg and Fe regularly to his field and yet he observes that the plants show deficiency of Ca, Mg and Fe. Give a valid reason and suggest a way to help the farmer improve the growth of plants.

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Biology Exemplar (NCERT Exemplar)

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A farmer adds/supplies Na, Ca, Mg and Fe regularly to his field and yet he observes that the plants show deficiency of Ca, Mg and Fe. Give a valid reason and suggest a way to help the farmer improve the growth of plants.
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Plant can tolerate a specific amount of micronutrients. A slight lesser amount of it can cause deficiency symptoms and a slight higher amount can cause toxicity. The mineral ion concentration which reduces the dry weight of the tissues by is called toxic concentration.
This concentration is different for different micronutrients as well as for different plants, e.g., is toxic beyond for soyabean and beyond for sunflower.
It has also been observed that the toxicity of one micronutrient causes the deficiency of other nutrients. To overcome such problems, farmers should use these nutrients in prescribed concentration so that the excess uptake of one element do not reduce the uptake of other element.
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Question Text
A farmer adds/supplies Na, Ca, Mg and Fe regularly to his field and yet he observes that the plants show deficiency of Ca, Mg and Fe. Give a valid reason and suggest a way to help the farmer improve the growth of plants.
TopicMineral Nutrition
SubjectBiology
ClassClass 11
Answer TypeText solution:1
Upvotes120