EASY
Earn 100
Write any three functions of white blood cells.
Important Questions on Transportation in Animals and Plants
EASY
Choose the ODD one out from the following terms given and name the CATEGORY to which the others belong:
EASY
Choose the correct answer from the four options given below:
Agranulocytes are:
EASY
Choose the correct answer from each of the four options given below:
A muscular wall is absent in:
HARD
Draw the diagram showing the sectional view of the human heart. Label the following parts.
(i) Aorta
(ii) Chamber of the heart that receives deoxygenated blood.
EASY
HARD
MEDIUM
Give appropriate biological or technical terms for the following:
The relaxation phase of the heart.
MEDIUM
Write any five differences between artery and vein.
EASY
A. Platelets are produced in the bone marrow.
B. When haemoglobin combines with oxygen it forms carboxy haemoglobin.
C. Calcium ions play an important role in clotting of blood.
D. Fibrins are formed by the conversion of fibrinogen by the enzyme thrombin.
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HARD
EASY
MEDIUM
MEDIUM
(v) Pulmonary semilunar valve
EASY
Name the following:
The smallest blood vessels with one cell thick walls.
EASY
HARD
EASY
EASY
Write short notes on platelets.
MEDIUM
