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Summary botany practicals class 12,botany practicals live

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  • June 30, 2023
  • 114
  • 2019/2020
  • Summary
  • Secondary school
  • 2
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PRACTICALS FOR CLASS XI

EXPERIMENT NUMBER 1

IDENTIFICATION OF INVERTEBRATE ANIMALS

,IDENTIFYING CHARACTERS:
• Radially symmetrical, cylindrical
• Presence of gastrovascular cavity
• Presence of tentacles around mouth

ADAPTATIONS:
• Presence of tentacles around mouth
• Presence of gastro vascular cavity

,HYDRA



Kingdom: Animalia
Phylum: Coelenterata
Class: Hydrozoa

, IDENTIFYING CHARACTERS:
• Dorsoventrally flattened body
• Acoelomate and bilaterally symmetrical
• Presence of suckers

PARASITIC ADAPTATIONS:
• Body is covered with cuticle
• Presence of oral sucker and lateral sucker(Acetabulum)
• Anaerobic respiration
• Absence of digestive system

ECONOMIC IMPORTANCE:
• Damage liver and cause liver rot disease

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