Advertisements
Advertisements
प्रश्न
Name the phylum in which ambulacral system is present. What is its function?
Advertisements
उत्तर
Ambulacral system is present in phylum echinodermata.
The ambulacra are present on the oral surface of the body and help the echinoderms in locomotion and gathering food.
APPEARS IN
संबंधित प्रश्न
Match the following:
| Column I | Column II | ||
| (a) | Operculum | (i) | Ctenophora |
| (b) | Parapodia | (ii) | Mollusca |
| (c) | Scales | (iii) | Porifera |
| (d) | Comb plates | (iv) | Reptilia |
| (e) | Radula | (v) | Annelida |
| (f) | Hairs | (vi) | Cyclostomata and Chondrichthyes |
| (g) | Choanocytes | (vii) | Mammalia |
| (h) | Gill slits | (viii) | Osteichthyes |
Write down four characters of Osteichtyes and give two examples.
Give one point of difference between notochord and nerve cord.
Rewrite the following scientific names correctly.
ficus religiosa (peepal), zea Mays (maize) and Bombyx Mori (silk moth).
What are the group names of the following categories of animals?
Animals with a backbone _____________
What are the group names of the following categories of animals?
Animals with three pairs of legs ___________
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.
Earthworm - Invertebrata, Annelida, Insecta
Name three animals (belonging to different classes) which breathe by means of lungs but have no external ears (pinnae).
Give four important characters of mammals.
Give the name of two animals that belong to phylum echinodermata.
Give two examples of each of the following: Arthropoda
Fill in the blanks:
The excretory organs of platyhelminthes are ______.
Choose the correct answer: Jelly-fish is classified in the phylum
Choose the correct answer: Whittaker is famous
Choose the correct answer: Multicellular producers are
Choose the correct answer: 'Systema naturae' has been written by
Select the INCORRECT statement from the following.
Kingdom Animalia is characterized by
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:
