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| 51. |
Which is the correct sequence of water current through body of leucosolenia: |
| A. |
Spongocoel ? osculum ?ostium |
B. |
Ostium ? spongocoel ? osculum |
| C. |
Ostium ? osculum ? spongocoel |
D. |
Osculum ? ostium ? spongocoel |
Answer: Option B
Explanation:
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| 52. |
Turkish bath sponge' is produced from: |
| A. |
Euplectella |
B. |
Spongia |
| C. |
Scypha |
D. |
None of these |
Answer: Option B
Explanation:
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| 53. |
Free larva of Sycon is: |
| A. |
Planula |
B. |
Scyphistoma |
| C. |
Amphiblastule |
D. |
Olynthus |
Answer: Option C
Explanation:
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| 54. |
Free swimming larva of Leucosolenia is: |
| A. |
Trochophore |
B. |
parenchymula |
| C. |
Planula |
D. |
Amphiblastula |
Answer: Option B
Explanation:
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| 55. |
Pigment containing cells of sponges are called: |
| A. |
Chromocytes |
B. |
Thesocytes |
| C. |
Desmacytes |
D. |
Collencytes |
Answer: Option A
Explanation:
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| 56. |
Which of the cells has a single pseudopodium: |
| A. |
Amoebocytes |
B. |
Collencyte |
| C. |
Myocyte |
D. |
Gemmule arechaeocyte |
Answer: Option B
Explanation:
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| 57. |
The study of birds is called ________ |
| A. |
Ornithology |
B. |
Histology |
| C. |
Entomology |
D. |
None of these |
Answer: Option A
Explanation:
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| 58. |
Which cell has flat surface with a central bulb-like protoplasmic mass: |
| A. |
Pinaoccyte |
B. |
Collencyte |
| C. |
Amoebocyte |
D. |
None of these |
Answer: Option A
Explanation:
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| 59. |
Which cell works as carrier or nurse cell: |
| A. |
Amoebocytes |
B. |
Archaeocyte |
| C. |
Choanocyte |
D. |
Collencyte |
Answer: Option C
Explanation:
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| 60. |
Digestion in Leucosolenia is: |
| A. |
Only extracellular |
B. |
First extracellular then intracellular |
| C. |
Only intracellular |
D. |
First intracellular then extracellular |
Answer: Option C
Explanation:
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