HARD
Earn 100
Arrange the following structures according to their decreasing number.
Hepatic or gastric caeca
Malpighian tubules
Ommatidia
50% studentsanswered this correctly
Important Questions on Structural Organization in Animals
EASY
In cockroach, if the sub-oesophageal ganglion is damaged, which part of the cockroach is affected?
EASY
In cockroach, ootheca around the eggs is secreted by
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
In the abdomen of Cockroach, the ventral nerve cord is absent in the following segments
EASY
In male cockroaches, sperms are stored in which part of the reproductive system?
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
Triangular joint in the leg of Periplaneta is
EASY
Identify the correct sequence of flow of circulation of blood in Periplaneta americana
MEDIUM
Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth:
MEDIUM
If the head of cockroach is removed, it may live for few days because
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:
MEDIUM
Cockroach has 'superposition vision'. This type of vision has the following characteristic features 'EXCEPT'
EASY
Thermoreceptor sensillae of cockroach are present on
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, identify the parts of the foregut in correct sequence:
EASY
The terga, sterna and pleura of cockroach body are joined by:
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.
