Q. Chormophil cells present in pharynx of earthworm take part in secretion of

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Solution:

Pharyngeal gland is situated at the roof of the pharynx. Its glandular cells are known as chromophil cells which secrete a fluid, the saliva which is passed on to the lumen of the pharynx. Saliva contains mucus (a lubricating agent) and a proteolytic enzyme.