(English Medium) ICSE Class 10 - CISCE Question Bank Solutions for Biology

Name the following:

Any one vein which starts from an organ and ends in another organ besides the heart

Name the following:

The artery which carries deoxygenated blood.

Name the following:

The kind of blood cells which can squeeze out through the walls of one category of blood vessels.

Name the following:

The smallest common blood vessels formed by the union of capillaries.

Name the following:

The blood vessels which start from capillaries and end in capillaries.

Name the following:

The phase of the cardiac cycle in which the auricles contract.

Name the following:

The valve present in between the chambers on the right side of the human heart.

Name the following:

The fluid found between the membranes of the heart.

Given below is a certain structure, write its chief functional activity.

Blood platelets - ______

Given below is a certain structure, write its chief functional activity.

Erythrocytes - ______.

Given below is a certain structure, write its chief functional activity.

Lymphocytes - ______.

Given below is a certain structure, write its chief functional activity.

Bone marrow - ______.

A blood vessel which has small lumen and thick wall is ______.

The valve which prevents back flow of blood in the veins and lymph vessels ______.

Note the relationship between the first two words and suggest the suitable word/ word for the
fourth place:

Lubb: Atrioventricualr valves :: dup: …………………

Note the relationship between the first two words and suggest a suitable word/words for the fourth place:

Coronary artery : Heart :: Hepatic artery : ______

Give reason, why a matured mammalian erythrocyte lacks nucleus and mitochondria?

What does the term “double circulation” mean?

When are the sounds "LUBB" and "DUP" produced respectively during heart beat?

Why do people have a common belief that the heart is located on the left side of the chest?