Identify a vertebrate chordate amongst the following:
1.
Ascidia
2.
Doliolum
3.
Brannchiostoma
4.
Petromyzon
Subtopic: Phylum Chordata |
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Match each item in Column-I with one in Column-II and select the correct match from the codes given:
Codes:
| Column I | Column II | ||
| A. | Radula | P. | Osteichthyes |
| B. | Operculum | Q. | Molluska |
| C. | Flame cell | R. | Flat worms |
| D. | Hair | S. | Mammalia |
| A | B | C | D | |
| 1. | P | S | Q | R |
| 2. | Q | P | R | S |
| 3. | Q | R | P | S |
| 4. | R | Q | S | P |
Subtopic: Phylum Ctenophora | Phylum Mollusca | Phylum Chordata | Comparative study of Cartilagenous & Bony Fishes | Study of Aves & Mammals |
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The cell shown in the figure is used in:
| 1. | capturing prey in Cnidarians |
| 2. | generating water current in sponges |
| 3. | osmoregulation in rotifers |
| 4. | movement in ctenophores |
Subtopic: Phylum Coelenterata |
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Notochord is a:
| 1. | endodermally derived rod-like structure formed on the dorsal side during embryonic development in some animals. |
| 2. | endodermally derived rod-like structure formed on the ventral side during embryonic development in some animals. |
| 3. | mesodermally derived rod-like structure formed on the dorsal side during embryonic development in some animals. |
| 4. | mesodermally derived rod-like structure formed on the ventral side during embryonic development in some animals. |
Subtopic: Phylum Chordata |
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What would not be true for cyclostomes?
| 1. | All are endoparasites on some fishes. |
| 2. | They have aa circular mouth without jaw. |
| 3. | Body is devoid of scales and paired fins. |
| 4. | Circulation is of closed type. |
Subtopic: Phylum Chordata |
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Homoiothermy and a four chambered muscular heart is seen in:
| I: | Mammals |
| II: | Crocodiles |
| III: | Birds |
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
Subtopic: Study of Aves & Mammals |
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A ‘sea-horse’ is a:
| 1. | marine bony fish |
| 2. | fresh water bony fish |
| 3. | cartilaginous fish |
| 4. | cyclostome |
Subtopic: Comparative study of Cartilagenous & Bony Fishes | Class Osteichthyes |
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Subtopic: Phylum Chordata |
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The members of which of the following animal phyla are not exclusively marine?
1. Porifera
2. Ctenophora
3. Echinodermata
4. Hemichordata
1. Porifera
2. Ctenophora
3. Echinodermata
4. Hemichordata
Subtopic: Phylum Porifera |
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Unlike roundworms, flatworms:
1. are triploblastic
2. exhibit bilateral symmetry
3. do not have a coelom
4. reproduce only by sexual methods
Subtopic: Phylum Platyhelminthes |
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