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Q. No.Chondrichthyes is characterised by:
1.
placoid scale
2.
ventral mouth
3.
ctenoid scale and ventral mouth
4.
placoid scale and ventral mouth
Subtopic: Super Class Pisces & its General Characteristics |
75%
Level 2: 60%+
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Secondary body cavity with segmented mesodermal lining is called:
| 1. | haemocoel | 2. | neurocoele |
| 3. | true coelom | 4. | pseudocoelom |
Subtopic: Basis of Classification |
58%
Level 3: 35%-60%
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Subtopic: Phylum Porifera |
79%
Level 2: 60%+
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Subtopic: Phylum Chordata |
78%
Level 2: 60%+
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The scientific name of gharial is:
| 1. | Naja bungarus |
| 2. | Gaviais gangeticus |
| 3. | Hemidactylus flavivridis |
| 4. | None of the above |
Subtopic: Study of Reptilia |
67%
Level 2: 60%+
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Which of the given option is correct regarding the statements?
| Statement I: | Cephalochordata bears notochord all along the body throughout life. |
| Statements II: | Urochordate bears vertebral column only in tail region throughout the life. |
| 1. | I wrong, II correct |
| 2. | I correct, II wrong |
| 3. | Both I and II are wrong |
| 4. | Both are correct |
Subtopic: Phylum Chordata |
67%
Level 2: 60%+
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In which of the following haemocyanin pigment is found?
1. Lower invertebrates
2. Echinodermata
3. Insecta
4. Annelida
Subtopic: Phylum Annelida |
Level 4: Below 35%
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Which of the following cells in earthworms play a role similar to the liver in vertebrates?
1. Amoebocytes
2. Mucocytes
3. Chloragogen cells
4. epidermal cells
Subtopic: Phylum Annelida |
Level 3: 35%-60%
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Match the following and select the correct option.
| 1. | A-3 B-5 C-2 D-1 E-4 |
| 2. | A-3 B-1 C-5 D-2 E-4 |
| 3. | A-1 B-2 C-3 D-4 E-5 |
| 4. | A-2 B-3 C-4 D-1 E-5 |
Subtopic: Phylum Hemichordata | Phylum Chordata | Comparative study of Cartilagenous & Bony Fishes |
86%
Level 1: 80%+
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Chondrichthyes is characterised by:
1. placoid scale
2. placoid scale and ventral mouth
3. Ventral mouth
4. ctenoid scale and ventral
Subtopic: Comparative study of Cartilagenous & Bony Fishes | Class Chondrichthyes |
79%
Level 2: 60%+
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