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प्रश्न
Find the odd one out. Give reason.
ant, cockroach, spider, dragonfly
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उत्तर
spider: spider is the odd one out because it is an arachnid whereas rest three are insects.
APPEARS IN
संबंधित प्रश्न
Tick (✓) the appropriate answer:
Identify the animal which is not an Arthropoda
Give two examples of Segmented worms:
Write one difference between the following pair:
Platyheminthes and Nematoda
Fill in the blank.
.................. do not have a backbone, while vertebrates have it.
Fill in the blank.
Most arthropods have a tough outer body covering called ..........................
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 |
Write a short answer.
Name the special organs of excretion in annelids?
Answer in detail.
Write two characteristics of amphibians.
Classify the given animals into different categories indicated.
Jellyfish, liver fluke, pinworm, Ascaris, tapeworm, Hydra, sea anemone into cnidarians, Platyhelminthes, and Nemathelminthes.
Mention any one major similarity and one major difference in the following pairs of an animal:
Insects and Birds
