MCQs of Biology – Blood Vascular System

Blood is red but there are not red blood cells in:

The blood pigment of earthworm is:

Blood of earthworm is red because its haemoglobin is:

In Phertima, haemoglobin:

Oxygen is circulated to various tissues of the earthworm by:

Blood vascular system of earthworm is of:

Circulatory system of earthworm is very well developed and consists of:

In earthworm , arrangement of blood vessels is:

Dorsal blood vessel in Pheretima is:

Which of the following blood vessel may be considered as true in earthworm?

Which blood vessels in Phertima have valves?

Regarding the blood circulation, it may be said that in Pheretima the dorsal vessel is a:

In earthworm, the dorsal blood vessel is collecting channal:

The main distributive blood vessel of earthworm is:

Flow of blood in dorsal vessel of earthworm is:

In which of the following blood vessels, blood flows from anterior to posterior direction?

The smallest longitudinal blood vessel in earthworm is:

Only paired longitudinal blood vessels of the earthworm is collected:

Vessel in which blood from seminal vesicles of earthworm is collected:

Hearts in earthworm occur in segments:

Earthworm has:

How many lateral ” hearts” are found in earthworm?

Structures present only in 7th and 9th segments of Pheretima posthuma are:

Earthworm is known to possess:

Lateral oesophageal hearts in the earthworm are situated in:

Lateral oesophageal hearts in earthworm connect:

In Pheretima valves are absent in:

In earthworm anterior loops are situated in segments :

In the posterior region of earthworm the dorsal blood vessel receive is from subneural vessel through: