Cockroach- Morphology and Anatomy
Cockroach- Morphology and Anatomy: Overview
This topic covers concepts, such as, Male Reproductive System of Cockroach, Female Reproductive System of Cockroach, Nervous System of Cockroach & Reproductive System of Cockroach etc.
Important Questions on Cockroach- Morphology and Anatomy
Which one of the following has an open circulatory system?

Inspiration in cokroach is brought about by

In the given diagram of a leg of cockroach, parts have been indicated by alphabets. Select the answer in which these alphabets have been correctly matched with the parts which they indicate.

Describe the process of blood circulation in Periplaneta.

Read the following statements about a cockroach and identify the correct statement/s.

The chemical nature of the chitinous wall of the cockroach is _____ (carbohydrate/protein).

A male cockroach can be distinguished by a female due to the presence of _____ in males.

The inner lining of muramic acid prevents the trachea from collapsing.

Cockroach has open type of circulatory system that consists of colourless blood known as_____.

In cockroach, some nitrogenous wastes are deposited on the cuticle and eliminated during which process?

Study the following regarding blood circulation in cockroach and identify I and II.

These cells of corpora adiposa of cockroach store food materials.

The following are the ganglia of the autonomous nervous system of Cockroach. Arrange them in the correct sequence.
I) Pre-ventricular ganglion
II) Frontal ganglion
III) Ingluvial ganglion
IV) Occipital ganglion

The sense organs present on the proximal parts of the tibia in Cockroach are sensitive to-

Which of the following statements are true with respect to the circulatory system of Periplaneta americana?
A Heart consists of chambers.
B. Haemolymph brings oxygen from tracheae and supplies to different organs.
C. Contraction of heart chambers causes the blood to flow into aorta and from there in to sinus of head.
D. Alary muscles facilitate the flow of blood through the heart.

Statement : The corpora adiposa cells perform 'storage excretion' in Periplaneta americana
Reason : The fat body contains urate cells which absorb and store uric acid and it is the major excretory organ
Which of the following is true?

Identify the sequence of circulation of blood in Periplaneta americana
a) Head sinus
b) Heart
c) Perivisceral haemocoel and sternal haemocoel
d) Pericardial haemocoel
e) Aorta

Match this
List-I | List-II | ||
(a) | Phallomeres | (i) | Nitrogenous waste disposal |
(b) | Taenidia | (ii) | Copulation |
(c) | Cuticle | (iii) | Prevents trachea from collapsing |
(d) | Ostia | (iv) | Blood passage |
Correct match is :-

Find out the pseudopenis in the above diagram.

Observe the following diagram of ommatidium of cockroach and pick up the correct set of labelling:
