EASY
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Write down the controls measures of cockroach.
Important Questions on Study of Animal Type : Cockroach
EASY
In the abdomen of Cockroach, the ventral nerve cord is absent in the following segments
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In cockroach, if the sub-oesophageal ganglion is damaged, which part of the cockroach is affected?
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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.
EASY
Identify the correct sequence of flow of circulation of blood in Periplaneta americana
MEDIUM
If the head of cockroach is removed, it may live for few days because
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The cells of fat body of cockroach which contain symbiotic bacteria are:
MEDIUM
Cockroach has 'superposition vision'. This type of vision has the following characteristic features 'EXCEPT'
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Which of the following features is used to identify a male cockroach from a female cockroach?
EASY
In cockroach, ootheca around the eggs is secreted by
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Triangular joint in the leg of Periplaneta is
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Thermoreceptor sensillae of cockroach are present on
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The terga, sterna and pleura of cockroach body are joined by:
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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
EASY
In cockroach, thermoreceptor sensillae are present on
MEDIUM
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
MEDIUM
Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth:
MEDIUM
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.
MEDIUM
Which of these statements is not true about cockroaches?
HARD
What is the difference between simple and compound eyes?
EASY
Which of the following is correct about embryo development in Periplaneta americana?
