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प्रश्न
Fill in the blank.
Fishes obtain oxygen from water through ......................
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उत्तर
Fishes obtain oxygen from water through gills.
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संबंधित प्रश्न
Name one example of the animal which shows the following characteristics:
Has a flattened ribbon-like body:
Fill in the blank.
Annelids have special organs of excretion called ..............
Select the most appropriate answer.
The finger-like structures present around the mouth of cnidarians are called
Find the odd one out. Give reason.
ant, cockroach, spider, dragonfly
Write a short answer.
How are the bones of birds different from those of other vertebrates?
Answer in detail.
How will you classify animals according to the food they eat?
Mention any one major similarity and one major difference in the following pairs of an animal:
Wall lizard and Frog
Which one is the most striking or (common) character of the vertebrates?
Paramecium is a protista because of its ______.
Assertion (A): Mammals give birth to their young ones.
Reason (R): Platypus is an egg-laying mammal.
