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प्रश्न
Given below are groups of animals, and their characteristics features. Some of the features are incorrect. Identify the odd one out in each.
| Group | Characteristic features | Odd one out |
| Porifera | porous animals, have tentacles, fixed to surface | |
| Amphibia | cold-blooded, lungs in adults, scaly skin | |
| Aves | cold-blooded, wings, feathers, bones with large air spaces | |
| Pisces | live in water, scaly skin warm-blooded, fins for swimming |
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उत्तर
| Group | Characteristic features | odd one out |
| Porifera | porous animals, have tentacles, fixed to surface | have tentacles |
| Amphibia | cold-blooded, lungs in adults, scaly skin | scaly skin |
| Aves | cold-blooded, wings, feathers, bones with large air spaces | cold-blooded |
| Pisces | live in water, scaly skin, warm-blooded, fins for swimming | warm-blooded |
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संबंधित प्रश्न
Write one difference between the following pair:
Arthropoda and Mollusca
Fill in the blank.
..................... and liver fluke live in the intestines of human beings and cattle.
Fill in the blank.
Fishes obtain oxygen from water through ......................
Fill in the blank.
Vertebrates which spend a part of their life on land but reproduce in water are called ..................
Match the following.
| Group | Characteristics | ||
| 1. | Molluscs | a. | Feed milk to young ones, warm-blooded |
| 2. | Spongers | b. | bag-like body with tentacles around the opening |
| 3. | Flatworms | c. | fins, gills and cold-blooded |
| 4. | mammals | d. | body with large opening and many small pores all over |
| 5. | Fish | e. | jointed legs, exoskeleton |
| 6. | cnidarians | f. | have only one opening |
| 7. | arthropods | g. | hard shell, soft body |
| h. | cylindrical, unsegmented body with mouth at one end and anus at the posterior end |
Find the odd one out. Give reason.
ant, cockroach, spider, dragonfly
Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Monkey - External ear, sweat glands, lateral line.
Which group of animals have following characteristics: Multicellular body not organized into tissues.
Which group of animals have following characteristics: Body soft, covered by mantle and a calcareous shell.
Name the phyla to which following animal belongs: Starfish
