1.
Which of the following blood vessels in the circulatory system of frog has more deoxygenated blood?
2.
Which one indicates hypertension or high blood pressure (BP)
3.
Identify the correct statement
I. The impulse of the heart beat originates from SAN
II. Rate of the heart is determined by SAN
III. Bundle of His/AV bundle is present in the interventricular septum
IV. Atrio Ventricular Node (AVN) is situated in the lower left corner of the right auricle
Choose the correct option
 
4.
Choose the correct pathway on the transmission of impulse in the heart beat.
5.
Water circulatory system in found in
I.
II.
III. Annelida
IV. Starfish
V. Arthropoda
Choose the correct option
6.
Which of the following is an example of buffer system in blood?
7.
In an open circulatory system,
8.
Primary blood cells are formed in
9.
Properties of leucocytes are
I. they are nucleated
II. they are denucleated like RBC
III. they are 6000-8000 of blood
IV. they are long lived
V. they are short lived
Choose the appropriate option with correct properties
10.
SAN can generate impulses