Identify the structure and organism in which these structures are seen.

Penicillium - conidia

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Paramecium - bud

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Sponges - gemmules

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Chlamydomonas - zoospores

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Solution

The correct option is C Sponges - gemmules
Sponges reproduce by budding. In a sponge the buds are endogenous and develop inside the body. These buds are called gemmules.
Chlamydomonas reproduce by structures called zoospores that are usually microscopic motile structures.
Penicillium reproduces by conidia which are exogenous and non-motile structures.
Paramecium reproduces by binary fission.

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Similar questions

Arrange the following organisms with their correctly matched asexual structures.

(i) Hydra and yeast	(a) Gemmules
(ii) Chlamydomonas	(b) Conidia
(iii) Sycon	(c) Buds
(iv) Penicillium	(d) Zoospores

Identify the incorrect statement.
(a) In asexual reproduction, the offspring produced are morphologically and genetically identical to the parent.
(b) Zoospores are sexual reproductive structures.
(c) In asexual reproduction, a single parent prodices offspring with or without the formation of gametes.
(d) Conidica are asexual structure in Penicillium.

Q. Identify the asexual reproductive structures and organisms in which they are seen

Q. Match column I (reproductive structures) with column II (organism to which they belong) and select the correct option.
[1 mark]

	Column I		Column II
1	Zoospores	P	Sponge
2	Gemmules	Q	Hydra
3	Conidia	R	Chlamydomonas
4	External bud	S	Penicillium

Q. Zoospores are formed inside special structures called zoosporangium.

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Budding

Standard XII Biology

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