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Malpighian tubules in a cockroach are present between the midgut and hindgut.
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Important Questions on Periplaneta americana (Cockroach)
MEDIUM
Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth:
EASY
In cockroach, identify the parts of the foregut in correct sequence:
MEDIUM
If the head of cockroach is removed, it may live for few days because
MEDIUM
Cockroach has 'superposition vision'. This type of vision has the following characteristic features 'EXCEPT'
MEDIUM
Stomodeal valve is formed from:
EASY
In cockroach, if the sub-oesophageal ganglion is damaged, which part of the cockroach is affected?
EASY
Thermoreceptor sensillae of cockroach are present on
EASY
Identify the correct sequence of flow of circulation of blood in Periplaneta americana
MEDIUM
Match the following and choose the correct combination.
| List I | List II | ||
| Proventriculus | The anterior chamber of the preoral cavity | ||
| Cibarium | Stomodaeum | ||
| Hindgut | Enzymatic digestion | ||
| Foregut | Real Absorption of water | ||
| Mesenteron | Grinding food | ||
EASY
Triangular joint in the leg of Periplaneta is
EASY
In the abdomen of Cockroach, the ventral nerve cord is absent in the following segments
MEDIUM
Which of the following characteristics is incorrect with respect to cockroaches?
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
The cells of fat body of cockroach which contain symbiotic bacteria are:
EASY
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
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
Study the following diagram and identify A, B, C, and D
MEDIUM
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 | ||
EASY
Arrange the following structures according to their decreasing number.
Hepatic or gastric caeca ; Malpighian tubules ; Ommatidia
