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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
How do poriferan animals differ from coelenterate animals?
How are the criteria for deciding divisions in plants different from the criteria for deciding the subgroups among animals?
What are the difficulties that you would face in classification of animals, if common fundamental features are not taken into account?
Tick (✓) the appropriate answer:
Scientist who introduced binomial nomenclature is
Match the animals given under column A with their respective classification group given under column B
| Column A | Column B | ||
| 1 | Sponge | a | Amphibia |
| 2 | Snail | b | Reptilia |
| 3 | Butterfly | c | Echinodermata |
| 4 | Toad | d | Mollusca |
| 5 | Lizard | e | Arthropoda |
| 6 | Starfish | f | Porifera |
What do you mean by the term coelomate animals? Give two examples.
Give four general characters of phylum Mollusca. Write down two examples.
What are differences between the following :
(a) Cartilaginous fishes and bony fishes ;
(b) Amphibia and Reptilia ;
(c) Aves and mammals.
Give one point of difference between notochord and nerve cord.
How do animals of Porifera differ from animals of Cnidaria?
What are the group names of the following categories of animals?
Animals with a backbone _____________
Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Grasshopper-Wings, trachea, proboscis
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 |
Which names are left out that do not match and why?
Give four important characters of mammals.
Write two main characters of the following animal and name the phylum it belongs to: Jelly fish
Name any two animals which possess compound eyes.
Give two examples of each of the following: Platyhelminthes
Fill in the blanks:
Dog fish belongs to phylum ______.
Assertion: Binomial name is the universal name and contains two names.
Reason: It was first introduced by Carolus Linnaeus
Write short notes on – Binomial Nomenclature.
