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91. |
Stomodaeal valve of cockroach controls: |
A. |
Proventriculus and ventriculus |
B. |
Oesophagus and crop |
C. |
Oesophagus and proventriculus |
D. |
Buccal cavity and oesophagus |
Answer: Option A
Explanation:
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92. |
Excretory tubules of cockroach ae termed: |
A. |
Malpighhian tubules |
B. |
Caeca |
C. |
Nephridia |
D. |
Flame cells |
Answer: Option A
Explanation:
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93. |
Gastric caeca of cockroach secrete: |
A. |
Urea |
B. |
Digestive juices |
C. |
Hormones |
D. |
Juvenile hormones |
Answer: Option B
Explanation:
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94. |
Function of peritrophic membrane of cockroach is: |
A. |
Digestion of food |
B. |
Absorption of food |
C. |
Retention of ventricular epithelium |
D. |
Excretion |
Answer: Option C
Explanation:
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95. |
Perotrophic membrane is found in: |
A. |
Proventriculus |
B. |
Ventriculus |
C. |
Crop |
D. |
Digestive caeca |
Answer: Option B
Explanation:
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96. |
Cellulase enzyme in cockroach is secreted by: |
A. |
Ventriculus epithelium |
B. |
Gastric caeca |
C. |
Salivary glands |
D. |
Reservoir wall |
Answer: Option C
Explanation:
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97. |
Ileum in cockroach is the art of: |
A. |
Stomodaeum |
B. |
Mesenteron |
C. |
Proctodaeum |
D. |
None of these |
Answer: Option C
Explanation:
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98. |
Rectal glands of cockroach carry out the function of: |
A. |
Excretion |
B. |
Hormone secretion |
C. |
Water absorption |
D. |
None of these |
Answer: Option C
Explanation:
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99. |
Structures helping in differentiating male and female cockroaches are: |
A. |
Anal cerci |
B. |
Anal stylets |
C. |
Longer antennae |
D. |
Shorter wings |
Answer: Option B
Explanation:
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100. |
Salivary glands in cockroach open into: |
A. |
Cibarium |
B. |
Salivavarium |
C. |
Buccal cavity |
D. |
Oesophagus |
Answer: Option B
Explanation:
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