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प्रश्न
Fill in the blank.
................. is an example of a crustacean.
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उत्तर
Lobster is an example of a crustacean.
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संबंधित प्रश्न
Fill in the blank.
Invertebrates with jointed legs belong to ....................
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.
snake, alligator, eel, turtle
Write a short answer.
What do you mean by the radially symmetrical body?
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.
Write two main characters of the following animal and name the phylum it belongs to: Cockroach
Name the phyla to which following animal belongs: Hydra
Assertion (A): Mammals give birth to their young ones.
Reason (R): Platypus is an egg-laying mammal.
Mention two special features of mammals.
Write a note on mammals.
