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प्रश्न
Define the term hermaphrodite. Give two examples.
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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
Explain how animals in Vertebrata are classified into further subgroups.
What are the difficulties that you would face in classification of animals, if common fundamental features are not taken into account?
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 |
What is difference between bilateral symmetry and radial symmetry?
Write down four main characters of Platyhelminthes. Give two examples.
What are differences between the following :
(a) Cartilaginous fishes and bony fishes ;
(b) Amphibia and Reptilia ;
(c) Aves and mammals.
Describe general characteristics of phylum Annelida. Give one example each class of Annelida.
Explain the general characters of phylum Arthropoda. Give one example of following classes
(i) Crustacea;
(ii) Myriapoda;
(iii) Insecta;
(iv) Arachnida.
The animals (Kingdom Animalia) are mainly grouped under two categories
What are the group names of the following categories of animals?
Animals with a hairy skin ___________
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
Write two main characters of the following animal and name the phylum it belongs to: Whale
Write two main characters of the following animal and name the phylum it belongs to: Jelly fish
Give two examples of each of the following: Pisces
Give two examples of each of the following: Nemathelminthes
Give two examples of each of the following: Annelida
Give two examples of each of the following: Arthropoda
Choose the correct answer: The animal of phylum protozoa is
Choose the correct answer: Which of the following is not a helminth parasite?
Write short notes on – Binomial Nomenclature.
