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How do you distinguish between dorsal and ventral surface of t
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

Q1
Why earthworm is called the friend of farmer? 
Q2
How do you distinguish between dorsal and ventral surface of the body of earthworm?
Q3
Correct the wrong statements among the following.
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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

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How do you distinguish between dorsal and ventral surface of the body of earthworm?

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The body of earthworm can be distinguished into dorsal and ventral sides due to the presence of certain peculiar feature in it like.
(i) The dorsal surface is darker then ventral surface because it is marked by a dark median mid dorsal line along the longitudinal axis of body. This is due to dorsal blood vessel, seen through integument.
(ii) The ventral surface genital openings (pores), both male and female.
(iii) Genital papilla is located on ventral surface and help in copulation. 
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Question Text
How do you distinguish between dorsal and ventral surface of the body of earthworm?
TopicStructural Organization in Animals
SubjectBiology
ClassClass 11
Answer TypeText solution:1
Upvotes115