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प्रश्न
Write zoological names of roundworm.
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उत्तर
Roundworm - Ascaris
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संबंधित प्रश्न
Give two examples of Segmented worms:
Give names of two animals which are found as parasites inside the human intestine.
Write the characteristics of class Aves with reference to their body covering and jaws.
Fill in the blank.
.................. do not have a backbone, while vertebrates have it.
Select the most appropriate answer.
Bones with large air cavities are present in
a. cnidarians.
b. fish.
c. annelids.
d. birds.
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 |
Differentiate between
radially symmetrical and bilaterally symmetrical body
State if the following statement is true or false. Correct the statement if it is false.
Fish have fins, scales and they breathe through gills.
Answer in detail.
How do warm-blooded and cold-blooded animals differ?
______ formed during embryonic development.
