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प्रश्न
Fill in the blank.
Annelids have special organs of excretion called ..............
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उत्तर
Annelids have special organs of excretion called nephridia.
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संबंधित प्रश्न
Fill in the blank.
...................... live in the digestive tract of many vertebrates including human beings.
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.
Differentiate between
radially symmetrical and bilaterally symmetrical body
State if the following statement is true or false. Correct the statement if it is false.
Arthropods have a soft, outer covering called endoskeleton.
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.
Name the different classes of arthropods. Write one characteristic feature of each class.
Name the various phyla of non-chordates with two examples.
On the basis of characteristics given below, name the phyla: Unicellular, microscopic animals.
On the basis of characteristics given below, name the phyla: Soft bodies, muscular foot, calcareous shell and presence of mantle.
