Match each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I Feature |
Column II Phylum |
(a) Lateral line system (b) Water vascular system (c) Radula (d) Comb plates (e) Parapodia |
(i) Ctenophora (ii) Mollusca (iii) Echinodermata (iv) Osteichthyes (v) Annelida |
Codes
(a) (b) (c) (d) (e)
1. (i) (ii) (iii) (iv) (v)
2. (iv) (iii) (ii) (i) (v)
3. (iv) (iii) (i) (v) (ii)
4. (iii) (ii) (i) (v) (iv)
In Amphibia:
I. | Skin is moist without scales |
II. | A tympanum represents the ear |
III. | Fertilization is external |
1. | Only I and II are correct. |
2. | Only I and III are correct. |
3. | Only II and III are correct. |
4. | I, II, and III are correct. |
The number of correct statements amongst the given statements is:
I. The digestive system in Platyhelminthes is incomplete.
II. Coelenterates, Ctenophores, and Echinoderm larvae are radially symmetrical.
III. Bilateral symmetry is seen in annelids and arthropods but not in mollusks.
IV. Notochord is a mesodermally derived structure formed on the dorsal side in some animals.
V. Aschelminthes are pseudocoelomates
1. 2
2. 3
3. 4
4. 5
Given below are four matchings of an animal and its kind of respiratory organ:
A. | Silverfish – trachea |
B. | Scorpion – book lung |
C. | Sea squirt – pharyngeal gills |
D. | Dolphin – skin |
The correct matchings are:
1. A and D
2. A, B, and C
3. B and D
4. C and D
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 |
Match the following
List-I | List-II | ||
(a) | Physalia | i. | Pearl oyster |
(b) | Limulus | ii. | Portuguese Man of War |
(c) | Ancylostoma | iii. | Living fossil |
(d) | Pinctada | iv. | Hookworm |
Choose the correct answer from the options given below:
Options: | (a) | (b) | (c) | (d) |
1. | ii | iii | iv | i |
2. | i | iv | iii | ii |
3. | ii | iii | i | iv |
4. | iv | i | iii | ii |
Read the following statements.
(a) | Metagenesis is observed in Helminths. |
(b) | Echinoderms are triploblastic and coelomate animals. |
(c) | Round worms have organ-system level of body organization. |
(d) | Comb plates present in ctenophores help in digestion. |
(e) | Water vascular system is characteristic of Echinoderms. |
Choose the correct answer from the options given below:
1. (a), (d) and (e) are correct
2. (b), (c) and (e) are correct
3. (c), (d) and (e) are correct
4. (a), (b) and (c) are correct
Identify the correct statements regarding the members of Phylum Aschelminthes:
I. Their body is circular in cross-section
II. Alimentary canal is complete
III. Males, are often, longer than females
1. | Only II | 2. | Only I and II |
3. | Only II and III | 4. | Only III |
The diagram below shows the body plan of a:
A typical reptilian heart is shown by the figure:
1. | 2. | ||
3. | 4. |