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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 |
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
Tick (✓) the appropriate answer:
Identify the animal which is not an Arthropoda
Give two examples of Reptiles:
Categorize the following animals under their appropriate columns of classification
| Animals | ||||
| Dog | Grasshopper | Rat | Scorpin | Toad |
| Butterfly | Lizzard | Turtle | Frog | Bat |
| Snail | Honey bee | Pigeon | Liverfluke | Leech |
| Cattle | snake | Rohu | Parrot | Ascaris |
| Earthworm | Cow | Rabbit | Monkey | Elephant |
|
Classification: |
||||
| Worms | Molluscs | Fishes | Amphibians | Reptiles |
| Birds | Mammals |
Fill in the blank.
Annelids have special organs of excretion called ..............
Select the most appropriate answer.
Annelids have a
Select the most appropriate answer.
The body temperature of warm-blooded animals
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 |
How do chordates differ from non-chordates?
Animals that possess notochord are called ______.
How are the reproductive characteristics of mammals different from those of aves?
