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
HARD
10th Tamil Nadu Board
IMPORTANT
Write two differences between open and closed circulation.
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?
HARD
10th Tamil Nadu Board
IMPORTANT
With the help of well-labelled diagram, describe the process of plasmolysis in plants, giving appropriate examples.
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
Name the organs through which gaseous exchange takes place in plants.
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.
