MEDIUM
10th Tamil Nadu Board
IMPORTANT
Earn 100

Give reasons for the following statements.
Guard cells are responsible for opening and closing of stomata.

Important Questions on Transportation in Plants and Circulation in Animals
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Give reasons for the following statements.
The movement of substances in the phloem can be in any direction.

MEDIUM
10th Tamil Nadu Board
IMPORTANT
Give reasons for the following statements.
Minerals in the plants are not lost when the leaf falls.

MEDIUM
10th Tamil Nadu Board
IMPORTANT
Give reasons for the following statements.
The walls of the right ventricle are thicker than the right auricles.

MEDIUM
10th Tamil Nadu Board
IMPORTANT
Give reasons for the following statements.
Mature RBC in mammals does not have cell organelles.

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

MEDIUM
10th Tamil Nadu Board
IMPORTANT
What is transpiration? Give the importance of transpiration?

MEDIUM
10th Tamil Nadu Board
IMPORTANT
Why are leucocytes classified as granulocytes and agranulocytes? Name each cell and mention its functions.

MEDIUM
10th Tamil Nadu Board
IMPORTANT
Differentiate between systole and diastole. Explain the conduction of the heartbeat.
