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Reproduction In Organisms

Question

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What is Gemmulation ?

Solution

Gemmulation. Porifers (e.g. Spongilla) reproduce by formation of special internal buds called gemmules. These bodies contain special cells called archaeocytes. They remain covered by hard coverings. During unfavourable periods the gemmules are released and as the favourable period returns, these gemmules germinate into adult sponges.

Gemmule of Spongilla.

Some More Questions From Reproduction in Organisms Chapter

Micropropagation is based on :

The entry of pollen tube into embryo sac through the integuments is termed as :

Bryophyllum is vegetatively propagated by :

Which is having menstrual cycle ?

Which is male accessory duct ?

Which of the following is having oestrous cycle ?

Which of the following is bisexual ?

Frog is ................... while human female is ....................

Testes lie in ................... while ovaries lie in ....................

In Rhizopus, asexual reproduction takes place by...................formation.

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