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प्रश्न
Differentiate between
insects and crustaceans
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उत्तर
| Insects | Crustaceans | ||
| 1 | Body of insects is divided into three regions-head, thorax and abdomen. | 1 | Head and thorax are fused in crustaceans. |
| 2 | Most of them have three pairs of legs. | 2 | They have many numbers of jointed legs. |
| 3 | Most of them have wings. | 3 | Wings are absent. |
| 4 | e.g. Housefly, butterfly. | 4 | e.g. Crab, lobster. |
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संबंधित प्रश्न
Tick (✓) the appropriate answer:
Identify the aquatic animal with scaly skin which breathe with gills
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 |
Select the most appropriate answer.
Organs of excretion in annelids are
Select the most appropriate answer.
Bones with large air cavities are present in
a. cnidarians.
b. fish.
c. annelids.
d. birds.
Find the odd one out. Give reason.
ant, cockroach, spider, dragonfly
Find the odd one out. Give reason.
snail, oyster, earthworm, octopus
Answer in detail.
Write two characteristics of the reptiles.
Which group of animals have following characteristics: Multicellular body not organized into tissues.
Name the phyla to which following animal belongs: Hydra
Which is not a feature of chordates?
