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प्रश्न
Main characteristics of Nematoda:
Write down four main characters of Nematoda.
Explain general characteristics of phylum Nematoda.
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उत्तर
(i) They are bilaterally symmetrical, triploblastic, pseudocoelomate and unsegmented animals.
(ii) They have a cylindrical or flattened, worm-like body.
(iii) Sexes are separate.
(iv) Body is covered with a tough, resistant cuticle.
संबंधित प्रश्न
What are the differences between animals belonging to the Aves group and those in the mammalia group?
Match the animals given under column A with their respective classification group given under column B
| Column A | Column B | ||
| 1 | Sponge | a | Amphibia |
| 2 | Snail | b | Reptilia |
| 3 | Butterfly | c | Echinodermata |
| 4 | Toad | d | Mollusca |
| 5 | Lizard | e | Arthropoda |
| 6 | Starfish | f | Porifera |
Define the term hermaphrodite.
What do you mean by the term coelomate animals?
Write down four characters of Chondrichtyes.
Write down four main characters of chordates.
Write down four characters of mammals.
Write down four general characters of cnidarians (coelenterates).
Describe general characteristics of phylum Annelida.
Why are scientific names of living beings considered better than their common names?
What are the group names of the following categories of animals?
Animals with a backbone _____________
Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Grasshopper-Wings, trachea, proboscis
Write two main characters of the following animal and name the phylum it belongs to: Whale
Give the name of two animals that belong to phylum echinodermata.
Fill in the blanks:
Nephridia are the excretory organs of ______.
True (or) False. If false write the correct answer.
True nucleus is seen in prokaryotic cell.
Write the binomial name of
- Human being
- Paddy
Assertion (A): Reptiles are warm-blooded animals.
Reason (R): They have scales.
Kingdom Animalia is characterized by
Give scientific reasons.
Body temperature is not constant in amphibians.
