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प्रश्न
Select the most appropriate answer.
Organs of excretion in annelids are
विकल्प
gills
nephridia
suckers
lungs
उत्तर
nephridia
APPEARS IN
संबंधित प्रश्न
Tick (✓) the appropriate answer:
The unicellular organism causing malaria
Write one difference between the following pair:
Porifera and Coelenterata.
Write one difference between the following pair:
Arthropoda and Mollusca
Fill in the blank.
..................... and liver fluke live in the intestines of human beings and cattle.
Fill in the blank.
Some .....................have two pairs of legs per segment.
Fill in the blank.
................. is an example of a crustacean.
Fill in the blank.
Vertebrates which spend a part of their life on land but reproduce in water are called ..................
Classify the given animals into different categories indicated.
Jellyfish, liver fluke, pinworm, Ascaris, tapeworm, Hydra, sea anemone into cnidarians, Platyhelminthes, and Nemathelminthes.
Give reason for the following.
What happens to the body temperature of a fish when the temperature of water drops?
Mention any one major similarity and one major difference in the following pairs of an animal:
Snakes and Earthworms
