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प्रश्न
Find the odd one out. Give reason.
ant, cockroach, spider, dragonfly
उत्तर
spider: spider is the odd one out because it is an arachnid whereas rest three are insects.
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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.
Cnidarians have ................ symmetrical body.
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 ......................
Differentiate between
aves and mammals
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 |
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?
What is the name of the bone which is filled with air?
Assertion (A): Mammals give birth to their young ones.
Reason (R): Platypus is an egg-laying mammal.
