Samacheer Kalvi solutions for Science [English] Class 10 SSLC TN Board chapter 14 - Transportation in Plants and Circulation in Animals [Latest edition]

Active transport involves ______

Water which is absorbed by roots is transported to aerial parts of the plant through ______

During transpiration, there is a loss of ______

Root hairs are ______

Which of the following process requires energy?

The wall of the human heart is made of ______

Which is the correct sequence of blood flow?

A patient with blood group O was injured in an accident and has blood loss. Which group of blood should be used by the doctor for transfusion?

‘Heart of heart’ is called ______

Which one of the following shows the correct composition of blood?

______ involves evaporative loss of water from aerial parts.

Water enters into the root hair cell through the ______ membrane.

Part of the root that absorbs water from the soil is ______.

Normal blood pressure is ______.

The normal human heartbeat rate is about ______ time per minute.

Match the following.

Match the following.

The phloem is responsible for the translocation of food.

Plants lose water by the process of transpiration.

The form of sugar transported through the phloem is glucose.

In apoplastic movement, the water travels through the cell membrane and enters the cell.

When guard cells lose water the stoma opens.

Initiation and stimulation of heartbeat take place by nerves.

All veins carry deoxygenated blood.

WBC defends the body from bacterial and viral infections.

The closure of the mitral and tricuspid valves at the start of the ventricular systole produces the first sound ‘LUBB’.

Name two-layered protective covering of the human heart.

What is the shape of RBC in human blood?

Why is the colour of the blood-red?

Which kind of cells are found in the lymph?

Name the heart valve associated with the major arteries leaving the ventricles.

Mention the artery which supplies blood to the heart muscle.

What causes the opening and closing of guard cells of stomata during transpiration?

What is cohesion?

Trace the pathway followed by water molecules from the time it enters a plant root to the time it escapes into the atmosphere from a leaf.

What would happen to the leaves of a plant that transpires more water than its absorption in the roots?

Describe the structure and working of the human heart.

Why is the circulation in man referred to as double circulation?

What are heart sounds? How are they produced?

What is the importance of valves in the heart?

Who discovered the Rh factor? Why was it named so?

How are arteries and veins structurally different from one another?

Why is the Sinoatrial node called the pacemaker of the heart?

What is the difference between pulmonary circulation and systemic circulation?

The complete events of the cardiac cycle last for 0.8 sec. What is the timing for each event?

Minerals cannot be passively absorbed by the roots.

Guard cells are responsible for the opening and closing of stomata.

The movement of substances in the phloem can be in any direction.

Minerals in the plants are not lost when the leaf falls.

The walls of the right ventricle are thicker than the right auricles.

Mature RBC in mammals does not have cell organelles. 

How do plants absorb water? Explain.

What is transpiration?

Give the importance of transpiration?

Why are leucocytes classified as granulocytes and agranulocytes? Name each cell and mention its functions.

Differentiate between systole and diastole.

Explain the conduction of heartbeat.

What are the functions of blood?

Direction: In each of the following questions a statement of assertion (A) is given and a corresponding statement of Reason (R) is given just below it. Mark the correct statement as.

Assertion: RBC plays an important role in the transport of respiratory gases.

Reason: RBC does not have cell organelles and a nucleus.

Direction: In each of the following questions a statement of assertion (A) is given and a corresponding statement of Reason (R) is given just below it. Mark the correct statement as.

Assertion: Persons with AB blood group are called a universal recipient because they can receive blood from all groups.

Reason: Antibodies are absent in persons with AB blood group.

When any dry plant material is kept in water, they swell up. Name and define the phenomenon involved in this change.

Why are the walls of the left ventricle thicker than the other chambers of the heart?

Doctors use the stethoscope to hear the sound of the heart. Why?

How do the pulmonary artery and pulmonary vein differ in their function when compared to a normal artery and vein?

Transpiration is a necessary evil in plants. Explain.