Valves in Heart

Q.

In which forms carbon dioxide is transported to the lungs by blood?

Q. The opening between the right atrium and the right ventricle is guarded by the valve named_______

1. tricuspid valve
2. mitral valve
3. semilunar valve
4. bicuspid valve

Q.

The tricuspid valve guards the opening between the _______ and the _______, while the bicuspid valve guards the opening between the _______ and the _______

The information in which alternative completes the given statement?

1. 

2. 

3. 

4. 

Q.

If the blood pressure is too low, the cardiovascular control centre in the medulla oblongata attempts to compensate by causing a/an _______.

1. Increased contractility of the myocardial cells

2. Decreased heart rate

3. Systemic arteriolar dilation

4. Decreased cardiac output

Q. The number of mitral valves in human heart are

1. 3
2. 1
3. 4
4. 2

Q. The protective tissue in animal body is known as ___.

1. connective tissue
2. nervous tissue
3. muscular tissue
4. epithelial tissue

Q. If due to some injury the chordate tendinae of the tricuspid valve of the human heart is partially non-functional, what will be the immediate effect?

1. The flow of blood into the aorta will be slowed down
2. The 'pace maker' will stop working
3. The blood will tend to flow back into the left atrium
4. The flow of blood into the pulmonary artery will be reduced.

Q.

The valve that opens to the Aorta is

1. Aortic seminular valve

2. Pulmonary semilunar valve

3. Tricuspid value

4. Bicuspid valve

Q.

What type of excretory products are secreted by the organ shown above ?

1. Water

2. Minerals

3. Urea

4. Ammonia

Q. The protective tissue in animal body is known as ___.

1. connective tissue
2. nervous tissue
3. muscular tissue
4. epithelial tissue

Q. Coronary sinus opens in the right atrium, receives blood from ?

1. Coronary artery
2. Coronary vein
3. Inferior vena cava
4. Superior vena cava

Q. If due to some injury the chordae tendinae of the tricuspid valve of human heart is partially non functional what will be the immediate effect ​a) The flow of blood into the pulmonary artery will be reduced
b) The flow of blood into aorta will be slowed down c) The pacemaker will stop working d) The blood wil tend to flow back into left atrium

Q. Match the following.
$\begin{array}{cc}ColumnA& ColumnB\\ A.Xylem& i.Translocationoffood\\ B.Stomata& ii.Transportationofwater\\ C.Phloem& iii.Exchangeofgases\end{array}$

1. A-ii; B-i; C-iii
2. A-iii; B-i; C-ii
3. A-ii; B-iii; C-i
4. A-i; B-ii; C-iii

Q. Where do we find the respiratory pigment haemoglobin in the blood?

1. In platelets
2. In RBCs
3. In WBCs
4. In plasma