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Cockroach prefers (dry/damp) place to live.
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Important Questions on Periplaneta americana (Cockroach)
MEDIUM
Cockroach has 'superposition vision'. This type of vision has the following characteristic features 'EXCEPT'
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Triangular joint in the leg of Periplaneta is
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In cockroach, if the sub-oesophageal ganglion is damaged, which part of the cockroach is affected?
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In cockroach, thermoreceptor sensillae are present on
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Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth:
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In the abdomen of Cockroach, the ventral nerve cord is absent in the following segments
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Identify the correct statement with reference to the nervous system of the cockroach:
a) The nervous system of cockroach is called as autonomic nervous system.
b) There are thoracic and abdominal ganglion.
c) Sub-oesophageal ganglion controls the movements of mouth parts.
d) The abdominal ganglion innervates the abdominal segment.
The correct answer is
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Match the following:
| Cells of corpora adiposa of cockroach | Function | ||
| Trophocytes | Symbiotic bacteria | ||
| Mycetocytes | Store uric acid | ||
| Oenocytes | Intra cellular digestion | ||
| Urate cells | Secrete lipids | ||
| Store food |
The correct match is
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If the head of cockroach is removed, it may live for few days because
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In cockroach, identify the parts of the foregut in correct sequence:
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The cells of fat body of cockroach which contain symbiotic bacteria are:
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Which of the following features is not present in Periplaneta americana?
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Thermoreceptor sensillae of cockroach are present on
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The following are the joints of each leg of a cockroach
I) Tibia
II) Coxa
III Tarsus
IV) Femur
V) Trochanter
Arrange these in order.
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Identify the correct sequence of flow of circulation of blood in Periplaneta americana
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Which of the following characteristics is incorrect with respect to cockroaches?
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Match the following columns with reference to cockroaches and select the correct option:
| Column | Column | ||
| (a) | Grinding of the food particles | (i) | Hepatic caeca |
| (b) | Secrete gastric juice | (ii) | segment |
| (c) | pairs | (iii) | Proventriculus |
| (d) | Anal cerci | (iv) | Spiracles |
| (v) | Alary muscles | ||
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In cockroach, ootheca around the eggs is secreted by
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In male cockroaches, sperms are stored in which part of the reproductive system?
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Study the following and pick up the correct statements.
I. Contraction of the dorsal longitudinal muscles elevates the wings in the cockroach.
II. Rectal papillae help in water conservation in cockroaches.
III. The second chamber of the heart from the anterior part lies in the metathorax of the cockroach.
IV. Inner cuticular lining of the trachea of the cockroach is called the intima.
