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प्रश्न
Define the term hermaphrodite. Give two examples.
उत्तर
Hermaphrodites are those organisms in which the sexes are not separate i.e. both male and female reproductive organs occur in the same individual.
Examples: Animals of phylum Platyhelminthes, such as liver fluke and blood fluke, are hermaphrodites.
Certain forms of phylum Annelida, such as earthworm and Eutypheus, are also hermaphrodites.
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संबंधित प्रश्न
How do poriferan animals differ from coelenterate animals?
Match the following:
| Column I | Column II | ||
| (a) | Operculum | (i) | Ctenophora |
| (b) | Parapodia | (ii) | Mollusca |
| (c) | Scales | (iii) | Porifera |
| (d) | Comb plates | (iv) | Reptilia |
| (e) | Radula | (v) | Annelida |
| (f) | Hairs | (vi) | Cyclostomata and Chondrichthyes |
| (g) | Choanocytes | (vii) | Mammalia |
| (h) | Gill slits | (viii) | Osteichthyes |
Write down four characteristics of Ctenophora and give two examples.
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Write down four characters of Osteichtyes and give two examples.
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Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Earthworm - Invertebrata, Annelida, Insecta
Match the names of animal groups in Column I with the names of animals in column II.
|
Column I (Group) |
Column II (Animals) |
|
Annelida |
Pigeon |
|
Porifera |
Snake |
|
Mollusca |
Earthworm |
|
Reptilia |
Sponge |
|
Amphibia |
Octopus |
|
Pisces |
Trout |
|
Mammal |
Rabbit |
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Choose the correct answer: Jelly-fish is classified in the phylum
Choose the correct answer: 'Systema naturae' has been written by
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