Which of the following animals are true coelomates with bilateral symmetry ?
1. Adult Echinoderms
2. Aschelminthes
3. Platyhelminthes
4. Annelids
Which of the following options correctly represent the characteristic features of phylum Annelida?
1. | Triploblastic, unsegmented body, and bilaterally symmetrical. |
2. | Triploblastic, a segmented body, and bilaterally symmetrical. |
3. | Triploblastic, flattened body, and acoelomate condition. |
4. | Diploblastic, mostly marine and radially symmetrical. |
Match List - I with List - II
List-I | List-II |
(a) Metamerism | (i) Coelenterata |
(b) Canal system | (ii) Ctenophora |
(c) Comb Plates | (iii) Annelida |
(d) Cnidoblasts | (iv) Porifera |
Choose the correct answer from the options given below:
Options: | (a) | (b) | (c) | (d) |
1. | iii | iv | ii | i |
2. | iv | i | ii | iii |
3. | iv | iii | i | ii |
4. | iii | iv | i | ii |
List I | List II | ||
A. | Taenia | I. | Nephridia |
B. | Paramoecium | II. | Contractile vacuole |
C. | Periplaneta | III. | Flame cells |
D. | Pheretima | IV. | Urecose gland |
Options: | A | B | C | D |
1. | II | I | IV | III |
2. | I | II | III | IV |
3. | I | II | IV | III |
4. | III | II | IV | I |
Consider the following features:
A: | Organ system level of organisation |
B: | Bilateral symmetry |
C: | True coelom with segmentation of body |
Select the correct option of animal groups that possess all the above characteristics:
1. | Annelida, Mollusca and Chordata |
2. | Annelida, Arthropoda and Chordata |
3. | Annelida, Arthropoda and Mollusca |
4. | Arthropoda, Mollusca and Chordata |
I: | Annelids are metamerically segmented animals with a true coelom. |
II: | Arthropods are the most abundant group of animals characterised by the presence of jointed appendages. |
III: | Molluscs have a soft body surrounded by an external calcareous shell. |
IV: | Echinoderms possess a spiny skin. |
V: | Hemichordates are fresh water animals. |
1. | 2 | 2. | 3 |
3. | 4 | 4. | 5 |
Column-I | Column-II | ||
A. | Cnidaria | P. | Metamerism |
B. | Mollusca | Q. | Tube feet |
C. | Annelida | R. | Metagenesis |
D. | Echinodermata | S. | Radula |
A | B | C | D | |
1. | R | Q | P | S |
2. | P | Q | R | S |
3. | R | S | P | Q |
4. | P | S | R | Q |