Advertisements
Advertisements
Question
Choose the correct option.
In Ascaris, ___________.
Options
mesoglea is present
endoderm is a discontinuous layer
mesoderm is present in patches
body cavity is absent
Advertisements
Solution
In Ascaris, mesoderm is present in patches.
APPEARS IN
RELATED QUESTIONS
Answer the following question.
Pinna is part of the external ear and it is found in mammals. Do aves and reptiles show external ear in any form?
Answer the following question.
Fish and frog can respire in water. Can they respire through their skin? If yes, why do they have gills?
Answer the following question.
Crab and Snail both have a protective covering. Is it made up of the same material?
Draw a neat labelled diagram.
Sycon
Draw a neat labelled diagram.
Amphioxus
Draw a neat labelled diagram.
Catla
Draw a neat labelled diagram.
Scolidon
Match the following.
| Phylum | Characters |
| i. Annelida | a. Tube feet |
| ii. Mollusca | b. Ostia |
| iii. Ctenophora | c. Radula |
| iv. Porifera | d. Parapodia |
| v. Echinodermata | e. Comb plates |
Identify the animal given in the picture and write features of its phylum/class.

Identify the animal given in the picture and write features of its phylum/class.

