Which valve is present between the left atrium and the ventricle?

The correct option is B Mitral
Mitral valve is located between the left atrium and the left ventricle. It is an atrioventricular valve which is also known as the bicuspid valve. It prevents the backflow of the blood into the left atrium during ventricular systole.

The tricuspid valve is present between the right atrium and the right ventricle. The function of the valve is to prevent backflow of blood into the right atrium.

The pulmonary valve is present between the right ventricle and the pulmonary artery. It prevents backflow of blood into the right ventricle.

The aortic valve is present between the left ventricle and the aorta. It prevents backflow of blood into the left ventricle.

So, the correct answer is option B.