Chambers of Heart

Q. Which chamber of the human heart receives oxygenated blood?

1. Right atrium
2. Right ventricle
3. Left ventricle
4. Left atrium

Q. What is the double circulation?

Q.

Trace the movement of oxygenated blood in the body.

Q.

Oxygen-rich blood from the lungs comes to the thin-walled upper chamber of the heart to ______.

1. Left atrium

2. None of the above

3. Right atrium

4. Right ventricle

Q.

During systemic circulation, deoxygenated blood flows from right ventricle of heart to lungs.

1. True

2. False

Q.

What is the name of the tissue wall which separates the right and left atrium?

1. Ventricular valve

2. Semilunar valve

3. Aortic arch

4. Atrial septum

Q.

What is the interventricular septum?

Q. Differentiate between double circulation and single circulation of blood with examples.

Q.

What is the route of water in plants during transpiration?

Q.

Give biological reason, why wooden frames of doors get jammed during the monsoon season.

Q. Oxygen-rich blood from the lungs comes to the thin-walled upper chamber of the heart on the left called ____.

1. right atrium
2. left atrium
3. right ventricle
4. left ventricle

Q. The right and left atrium have chambers with ______.

1. spiral walls
2. thick walls
3. thin walls
4. spongy walls

Q.

There are two circuits the blood circulates in. Choose the options that correctly shows the direction and the type of the circulation.

1. Systemic Circulation: Right Ventricle ⟶ Lungs ⟶ Left Atrium

2. Pulmonary Circulation: Right Ventricle ⟶ Lungs ⟶ Left Atrium

3. Systemic Circulation: Left Ventricle ⟶ Body ⟶ Right Atrium

4. Pulmonary Circulation: Right Ventricle ⟶ Body ⟶ Left Atrium

Q.

Differentiate between: transpiration and evaporation.

Q. In mammals the opening of post caval in the right auricle is guarded by
(a) mitral valve
(b) auricles
(c) ventricle
(d) heart

Q.

In pulmonary circulation, blood enters the lungs from _________ and leaves the lungs to ________.

1. Left ventricle, left auricle

2. Left ventricle, right auricle

3. Right ventricle, right auricle

4. Right ventricle, left auricle

Q. In the human heart, oxygenated blood flows through the right side and carbon dioxide-rich blood flows through the left side.

1. True
2. False

Q.

Name the phenomenon by which living or dead plant cells absorb water by surface attraction.

Q. Which one of the following statements is NOT CORRECT?

1. In fishes, the heart pumps deoxygenated blood only
2. The circulatory system transports excretory substances to the excretory organs
3. In annelids, the tissues are not in direct contact with the circulating fluid
4. Blood circulation happens in closed vessels in arthropods

Q. Fill in the blanks​
Nostrils → Nasal chamber → Pharynx → ? → Trachea → ? → ? → ?

Q. In humans, blood passes from the post caval to the diastolic right atrium of heart due to

1. suction pull
2. pushing open of the venous valves
3. stimulation of the sino-auricular node
4. the pressure difference between the post caval and atrium

Q. The heart is a hollow muscular cone-shaped organ lying between the lungs in the thoracic cavity. In the given diagram of heart certain parts have been labelled as a, b, c, d and e. Select the correct option.

1. The part labelled c closes shorty after the start of ventricular systole while the d closes shorty after the diastole starts.
2. The parts labelled c and d have three and two flaps respectively.
3. The part labelled b carries impure blood.
4. The part labelled a carries pure blood while e carries impure blood.

Q. Oxygenated blood enters into the __________

1. Left atrium
2. Right atrium
3. Left Ventricle
4. Right Ventricle

Q. In the human heart, oxygenated blood flows through the right side and carbon dioxide-rich blood flows through the left side.

1. True
2. False

Q. What type of blood do capillaries carry-oxygenated or deoxygenated?

Q. With which human organ systems (or human systems) are the following associated?​

1. Vena cava​
2. Glomerulus​
3. Alveoli​
4. Villi​ ​ ​ ​ ​ ​ ​ ​