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Polluted water bodies have usually very high abundance of plan
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

Q1
How is the five-kingdom two-kingdom classification? 
Q2
Polluted water bodies have usually very high abundance of plants like Nostoc and Oscillitoria. Give reasons.
Q3
Are chemosynthetic bacteria autotrophic or heterotrophic?
View all question
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

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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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Polluted water bodies have usually very high abundance of plants like Nostoc and Oscillitoria. Give reasons.

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Biology Exemplar (NCERT Exemplar)

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Polluted water bodies have usually very high abundance of plants like Nostoc and Oscillitoria. Give reasons.
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Text SolutionText solutionverified iconVerified

Polluted water bodies possess high algal growth due to the presence of nutrient. These nutrients increase the rapid growth of water plants, i.e., algae especially Nostoc and Oscillitoria, etc., and result in colonies. These colonies are generally surrounded by a gelatinous sheath and further leads to the formation of blooms in water bodies. 
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Question Text
Polluted water bodies have usually very high abundance of plants like Nostoc and Oscillitoria. Give reasons.
TopicBiological Classification
SubjectBiology
ClassClass 11
Answer TypeText solution:1
Upvotes112