Cockroach- Circulatory system MCQs with Answers

Cockroach- Circulatory system MCQs

Hello students, in today’s MCQ we are going to discuss about ‘Circulatory system of the cockroach’. The pumping of the blood in the body of the cockroach is also known as circulatory system of the cockroach. The circulatory system of cockroach is of open type which means the poorly developed vessels are present. So, the blood in the cockroach flows openly.

Let’s discuss more about MCQs.

MCQ.1): The blood vascular system in the cockroaches is of ……………………………………..Of system.

a) Open type

b) Closed type

c) Through spiracles

d) None of them

MCQ.2): The poorly developed blood vessels that opens into a space, the space is called as ……………………………………….

a) Haemocoel

b) Artery

c) Pericardial

d) Perineural

MCQ. 3):The blood of cockroach does not flows in the …………………………………. And …………………………………..

a) Vessels

b) Capillaries

c) Spiracles

d) Both a) and b)

MCQ.4): The colourless haemolymph in the cockroaches is composed of …………………………………….

a) Plasma

b) Haemocytes

c) Leukocytes

d) All of them

MCQ.5): The Haemocoel in the cockroach is present in the ……………………………………………. Of the body cavity.

a) Thoracic region

b) Mouth region

c) Labrum region

d) Labium region

MCQ.6): The Heart of the cockroach is of ……………….………chambers.

a) 8

b) 10

c) 11

d) 13

MCQ.7):The dorsal sinus that surrounds the heart and aorta, is also known as ……………………………………..

a) Perivisceral sinus

b) Pericardial sinus

c) Perineural Sinus

d) All of them

MCQ.8): Which of the following cells are the large amoeboid cells with pseudopodia and have large mass of granular cytoplasm?

a) Plasmocytes

b) Granulocytes

c) Prohaemocytes

d) Both a) and c)

MCQ.9):The large body cavity is also known as …………………………………….

a) Haemoglobin

b) Haemocoel

c) Haemolymph

d) Haeme

MCQ.10): The haemolymph of cockroach that enters into heart through …………………………… from the pericardial sinus in the circulation process.

a) Antennas

b) Labium

c) Labrum

d) Ostia

MCQ.11): The plasma in the haemolymph contains 70% of …………………………….. And Na, K, Ca etc.

a) Carbs

b) Fat

c) Water

d) All of them

 

Answer

1) a) Open type

2) a) Haemocoel

3) d) Both a) and b)

4) d) All of them

5) a) Thoracic region

6) d) 13

7) b) Pericardial sinus

8) a) Plasmocytes

9) b) Haemocoel

10) d) Ostia

11) c) Water


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