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प्रश्न
Write down four general characters of cnidarians (coelenterates).
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उत्तर
(i) These are aquatic animals and mostly marine, but some are fresh water animals as well.
(ii) These are multicellular, diploblastic animals with tissue level of organisation.
(iii) There body is radially symmetrical.
(iv) They lack respiratory, circulatory and excretory organs.
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संबंधित प्रश्न
Give four general characters of phylum Mollusca.
Write down four characters of Chondrichtyes.
Give one point of difference between notochord and nerve cord.
Write down four general characters of Porifera.
Explain the general charaters of phylum Mollusca.
What are pisces? Classify and explain two different kinds of fishes by the help of suitable examples.
What are the group names of the following categories of animals?
Animals with feathers _________
Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Butterfly- Insecta, Invertebrata, Mollusca
TYRANNOSAURUS
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What do you think about its classification-was it an amphibian, a reptile or a mammal?
Can you call it a relative of Kangaroo? Yes/No. Give reason
Write the name of a mammal who lives in water.
Name any two animals which possess compound eyes.
Give two examples of each of the following: Pisces
Give two examples of each of the following: Platyhelminthes
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Choose the correct answer: Binomial Nomenclature was proposed by
Write short notes on – Binomial Nomenclature.
Kingdom Animalia is characterized by
Consider the following statements:
- Annelids are true coelomates
- Poriferans are pseudocoelomates
- Aschelminthes are acoelomates
- Platyhelminthes are pseudocoelomates
Choose the correct answer from the options given below:
