When the rate of respiration is slower than the rate of photosynthesis, the carbon dioxide gas is

The process in which gases move in and out of a plant is called

Behind the layer of cells there is a tiny tube like growth which is known as

In roots, vascular bundles are

Carbon dioxide and oxygen move in the plants by

Most of the mineral salts in soil enter the roots by the process of

Phloem tissue also contains

The food transported in the form of a sugar is known as

Processes that do not require energy for the movement of particles are

The percentage of transpiration by stomata is

Roots obtain oxygen from air spaces

Tiny holes in cell membrane are used

The process by which food in leaves is prepared, is

The contents in the root hair make

The contents that a plant uses to make food, are

The rate of transpiration slows down when plant

The process in which food substances are moved to rest of the plant by 'phloem' is known as