26. nematocysts of hydra are important for a.testing the food b.paralysing prey c.testing the water d.cataching prey
In Hydra, a cnidarian, the cnidocytes contain specialized structures called nematocysts, which contain poison. Nematocysts are a coiled hollow thread that is triggered by cnidocil. Upon contact with prey, the contents of the nematocyst are explosively discharged, which can paralyze the prey for defense.
