Transportation ...

From which part of a plant does maximum loss of water through transpiration take place?

Which of the following is observed when a plant cell is kept in saline water?

Which of the following helps in the bidirectional translocation of minerals?

Which of the following is not a function of transpiration?

Which of the following is a function of hairs present on the leaf surface?

Which of the following causes plasmolysis?

The blood does not clot because of

Mammalian erythrocytes have short life span due to absence of

Blood pressure is measured by an instrument called

Blood clotting cannot take place in the absence of

In adult humans, red blood cells are produced in the

Red blood cells of which of the following mammals possesse nucleus?

Heart of man is

Heart of a fish is special because

If the vagus branch of frog is stimulated, the heart beat will

The opening of truncus arteriosus in frog is guarded by

Bicuspid valves are present in between

Tricuspid valves are present in between

Heart beat is heard on left side as

Which of the following has the thickest walls?