Q. No.Which of the following developed for the first time in Annelids?
(1) Cephalization
(2) Development of a true coelom
(3) Metameric segmentation
(4) Both 2 and 3
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)
Peripatus is a connecting link between
1. Ctenophora and Platyhelminthes
2. Mollusca and Echinodermata
3. Annelida and Arthropoda
4. Coelenterata and Porifera
Which one of the following is not a characteristic of phylum-Annelida?
1. Closed circulatory system
2. Segmentation
3. Pseudocoelom
4. Ventral nerve cord
Which one of the following is a matching pair of a body feature and the animal possessing it?
| 1. | Post-anal tail | – | Octopus |
| 2. | Ventral Central nervous system | – | Leech |
| 3. | Pharyngeal gills slits absent in embryo | – | Chamaeleon |
| 4. | Ventral heart | – | Scorpion |
Metameric segmentation is the characteristic of
1. Platyhelminthes and Arthropoda
2. Echinodermata and Annelida
3. Annelida and Arthropoda
4. Mollusca and Chordata
Which of the following is wrongly matched?
| 1. | Haemoglobin in mammals – RBC |
| 2. | Haemozoin – Plasmodium cytoplasm |
| 3. | Haemocyanin – leeches |
| 4. | Haemoglobin dissolved in blood – Pheretima |
Which one of the following groups of structures/organs have similar function?
| 1. | Typhlosole in earthworm, intestinal villi in rat and contractile vacuole in Amoeba. |
| 2. | Nephridia in earthworm, Malpighian tubules in cockroach and urinary tubules in rat. |
| 3. | Antennae of cockroach, tympanum of frog and clitellum of earthworm. |
| 4. | Incisors of rat, gizzard (proventriculus) of cockroach and tube feet of starfish. |
Which of the following is a correct match?
| 1. | Frog — External ears |
| 2. | Earthworm — Muscular gizzard, typhlosole |
| 3. | Human — Fat globule, 10 pairs of cranial nerves |
| 4. | Cockroach — Chilopoda |
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