EASY
10th Tamil Nadu Board
IMPORTANT
Earn 100

Which type of blood vessels carry blood away from the heart?

Important Questions on Transportation in Plants and Circulation in Animals
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Draw a sectional view of the internal structure of the human heart and label the following parts and name them:
(i) Vein which brings deoxygenated blood from the upper part of the body.
(ii) Blood vessel which carries oxygenated blood to the body parts.
(iii) Chamber which pumps deoxygenated blood to the lungs.

MEDIUM
10th Tamil Nadu Board
IMPORTANT
How does transport of materials take place in unicellular plants?

MEDIUM
10th Tamil Nadu Board
IMPORTANT
The movement of water in plants takes the following route. Complete the process.
Epidermis of root hair →__(1)___→__(2)___→__(3)___.

MEDIUM
10th Tamil Nadu Board
IMPORTANT
How do plants absorb water? Explain.

MEDIUM
10th Tamil Nadu Board
IMPORTANT
Leaves of a healthy potted plant were coated with Vaseline. Will this plant remain healthy for long? Give reasons for your answer.

EASY
10th Tamil Nadu Board
IMPORTANT
What are root hair? Mention the function performed by the root hair.

MEDIUM
10th Tamil Nadu Board
IMPORTANT
Why and how does water enter continuously into the root xylem?

MEDIUM
10th Tamil Nadu Board
IMPORTANT
State two functions of transpiration.
