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61. |
Setae in Pheretima are: |
A. |
Straight rod - like |
B. |
Elongated 'S' - shaped |
C. |
U' - shaped |
D. |
Comma - shaped |
Answer: Option B
Explanation:
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62. |
Setae in earthworm occur in a segment: |
A. |
As one transverse ring |
B. |
As scattered structures |
C. |
As one pair of structures |
D. |
On lateral side only |
Answer: Option A
Explanation:
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63. |
Dorsal pores in Pheretima are openings of: |
A. |
Nephridia |
B. |
Coelomic cavity |
C. |
Digestive canal |
D. |
None of these |
Answer: Option B
Explanation:
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64. |
Which septum is absent in Pheretima: |
Answer: Option B
Explanation:
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65. |
Septum in Pheretima is made by: |
A. |
Double layer of coelomic epithelium |
B. |
Double layer of coelomic epithelium and muscles |
C. |
Only epidermis of the body |
D. |
Only endodermis of body |
Answer: Option B
Explanation:
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66. |
Coelomic fluid in earthworm consists of: |
A. |
Only plasma |
B. |
Plasma and nucleated corpuscles |
C. |
Plasma and non-nucleated corpuscles |
D. |
None of these |
Answer: Option B
Explanation:
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67. |
Coelomic fluid in earthworm is: |
A. |
Acidic |
B. |
Neutral |
C. |
Alkaline |
D. |
Of variable pH |
Answer: Option C
Explanation:
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68. |
Which of these is a besexual animal: |
A. |
Leech |
B. |
Honey bee |
C. |
House-fly |
D. |
None of these |
Answer: Option A
Explanation:
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69. |
Segment of earthworm bearing the mouth is called: |
A. |
Prostomium |
B. |
Peristomium |
C. |
Deuterostomium |
D. |
None of these |
Answer: Option B
Explanation:
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70. |
Coelomic fluid oozing out of dorsal pore help in: |
A. |
Feeding |
B. |
Excretion |
C. |
Respriation |
D. |
Locomotion |
Answer: Option D
Explanation:
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