Botany - Animal Kingdom Question with Solution | TestHub
BotanyAnimal KingdomPlatyhelminthesEasy2 minPYQ_2020
BotanyEasysingle choice
Flame cells and metagenesis are found respectively in:
Options:
Answer:
C
Solution:
Metagenesis (or alternation of generation):
- Coelenterates exhibit two body forms - polyp and medusa.
- Polyp = Sessile and cylindrical likeHydra, Adamsia.
Medusa = Free swimming, umbrella-shaped likeAurelia(jellyfish).
- Those cnidarians in which both polyp and medusa alternate with each other, are said to exhibit metagenesis.
Example -Obelia.
Platyhelminthes: They have specialised cells called
flame cells help in osmoregulation and excretion. Examples:Taenia(Tapeworm),Fasciola(Liver fluke).
Stream:NTA_ABHYAS_NEETSubject:BotanyTopic:Animal KingdomSubtopic:Platyhelminthes
⏱ 2mℹ️ Source: PYQ_2020
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