EASY
10th Tamil Nadu Board
IMPORTANT
Earn 100
Who discovered Rh factor? Why was it named so?
Important Questions on Transportation in Plants and Circulation in Animals
MEDIUM
10th Tamil Nadu Board
IMPORTANT
How are arteries and veins structurally different from one another?
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Why is the Sinoatrial node called the pacemaker of heart?
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Differentiate between systemic circulation and pulmonary circulation.
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.
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.
