MEDIUM
10th Tamil Nadu Board
IMPORTANT
Earn 100

Differentiate between systemic circulation and pulmonary circulation.

Important Questions on Transportation in Plants and Circulation in Animals

MEDIUM
10th Tamil Nadu Board
IMPORTANT
The complete events of the cardiac cycle last for 0.8 sec. What is the timing for each event?
EASY
10th Tamil Nadu Board
IMPORTANT

Give reasons for the following statements

Minerals cannot be passively absorbed by the roots.

MEDIUM
10th Tamil Nadu Board
IMPORTANT

Give reasons for the following statements.

Guard cells are responsible for opening and closing of stomata.

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.