HARD
Earn 100
Cockroach has _____ type of mouthparts.
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Important Questions on Structural Organisation in Animals
EASY
The terga, sterna and pleura of cockroach body are joined by:
EASY
Triangular joint in the leg of Periplaneta is
MEDIUM
Cockroach has 'superposition vision'. This type of vision has the following characteristic features 'EXCEPT'
EASY
In the abdomen of Cockroach, the ventral nerve cord is absent in the following segments
MEDIUM
Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth:
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.
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
EASY
Thermoreceptor sensillae of cockroach are present on
MEDIUM
If the head of cockroach is removed, it may live for few days because
EASY
In cockroach, identify the parts of the foregut in correct sequence:
EASY
In cockroach, thermoreceptor sensillae are present on
MEDIUM
Which of the following features is not present in Periplaneta americana?
MEDIUM
The cells of fat body of cockroach which contain symbiotic bacteria are:
EASY
In cockroach, if the sub-oesophageal ganglion is damaged, which part of the cockroach is affected?
EASY
Identify the correct sequence of flow of circulation of blood in Periplaneta americana
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
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, ootheca around the eggs is secreted by
EASY
In male cockroaches, sperms are stored in which part of the reproductive system?
MEDIUM
Which of the following features is used to identify a male cockroach from a female cockroach?
