Advertisements
Advertisements
प्रश्न
Write down four main characters of Annelida.
Advertisements
उत्तर
Main characteristics of Annelida:
(i) They are triploblastic, bilaterally symmetrical, coelomate, soft and elongated animals.
(ii) Their body is metamerically segmented externally by transverse grooves and internally by septa.
(iii) They have a tube-like alimentary canal, which is complete and extends straight from mouth to anus.
(iv) Reproduction is sexual. Sexes may be separate or united (hermaphrodite).
Examples: Sea mouse, earthworm etc.
APPEARS IN
संबंधित प्रश्न
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 |
Main characteristics of Nematoda:
What do you mean by the term coelomate animals? Give two examples.
Write down four general characters of phylum Arthropoda. Give two examples.
Write down four general characters of phylum Echinodermata. Give two examples.
Write down four characters of Osteichtyes and give two examples.
Describe general characteristics of phylum Annelida. Give one example each class of Annelida.
Explain the general characters of phylum Arthropoda. Give one example of following classes
(i) Crustacea;
(ii) Myriapoda;
(iii) Insecta;
(iv) Arachnida.
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 _________
Give any one difference between the following :
Flatworm and Roundworm
Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Earthworm - Invertebrata, Annelida, Insecta
Write down a flow chart showing subdivisions of kingdom Animalia.
Choose the correct answer: The animal of class pisces is
Choose the correct answer: Which of the following is not a helminth parasite?
Carolus Linnaeus is known as the Father of ______.
True (or) False. If false write the correct answer.
True nucleus is seen in prokaryotic cell.
What is binomial nomenclature?
Give scientific reasons.
Body temperature is not constant in amphibians.
Assertion (A): All vertebrates are chordates but all chordates are not vertebrate.
Reason (R): The members of subphylum vertebrata possess notochord, during the embryonic period, the notochord is replaced by a cartilaginous or bony vertebral column in adults.
In the light of the above statements, choose the correct answer from the options given below:
