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प्रश्न
Give any one difference between protozoa and Metazoa.
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उत्तर
| Protozoa | Metazoa |
| These are unicellular organisms, meaning their entire body is made up of a single cell that performs all life functions. | These are multicellular organisms, with specialized cells forming tissues and organs for different functions. |
संबंधित प्रश्न
Name one example of the animal which shows the following characteristics:
Can live in water as well as on land:
Name one example of the animal which shows the following characteristics:
Has a flattened ribbon-like body:
Select the most appropriate answer.
Organs of excretion in annelids are
State if the following statement is true or false. Correct the statement if it is false.
Reptiles have a scaly skin. They lay eggs with a hard shell and are warm-blooded animals.
Answer in detail.
Write a short note on annelids.
Answer in detail.
Write two characteristics of the reptiles.
Give reason for the following.
What happens to the body temperature of a fish when the temperature of water drops?
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 |
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.
Name the various phyla of non-chordates with two examples.
