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Structural Organisation in Animals

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Advanced Zoology

Animal Kingdom
Structural Organisation in Animals
Digestion and Absorption
Breathing and Exchange of Gases
Body Fluids and Circulation
Excretory Products and their Elimination
Locomotion and Movement
Neural Control and Coordination
Chemical Coordination and Integration
Human Reproduction
Human Health and Disease
Biotechnology Principles and Processes
Biomolecules (Zoology)
Evolution (Zoology)
Biotechnology and its Applications
Reproductive Health
  1. Earthworm possesses hearts
    1. 6 pairs
    2. 4 pairs
    3. 2 pairs
    4. 1
Correct Option: B

Earthworm has 4 pairs of heart i.e., 2 pairs-Lateral hearts and 2 pairs-Lateral oesophageal hearts present in 7th and 9th and 12th and 13th segments respectively.


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