Anatomy and Morphology of Animals
Which of the following feature is used to identify a male cockroach from a female cockroach?
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Single Choice
Larva is not found in the life of
APheretima
Correct Answer
BTaenia
CMusca
DRana
Solution
In Pheretima, a cocoon contains many fertilised eggs but only one embryo completes development, while other ova serve as nurse cells. The development is direct without a free larval stage. After the development of 2-3 weeks, the young worm crawls out of the cocoon. So, the correct answer is option A.
SIMILAR QUESTIONS
Anatomy and Morphology of Animals
Which one of the following structures in Pheretima is correctly matched with its function?
Anatomy and Morphology of Animals
Which of the following statements is not correct regarding sexuality in organisms?
Anatomy and Morphology of Animals
Comment upon the gametic exchange in earthworm during mating.
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