During respiration, oxygen is

Stem is kept on the ground due to the

The phenomenon of movement of particles from higher concentration to lower concentration without the use of energy is known as

Several layers of cells at the tip of the root form

During respiration, carbon dioxide is

The small openings in the pits of the bark is known as

The tremendous force which pulls the water and mineral salts up to the leaves can pull these contents to the height of

Dissolved minerals and water is taken from roots to leaves by the vascular bundle named

'Phloem' vessels contain

'Xylem' vessels contain

The main force that pulls water and dissolved mineral salts from the roots to the leaves is due to the process of

The stem is strong due to

The flow of water and mineral salts from roots to leaves by xylem is known as

Xylem is a vessel in plants which takes

When temperature of the surroundings increases, the speed of transpiration is also

The movement of food in the phloem depends on

When photosynthesis is faster than the rate of respiration

The oxygen in water is absorbed by the roots through

A membrane that lets some particles to pass through is known as

For transportation of food and minerals, plants have