plants

The plant makes its own food through ............. process.

• respiration

• digestion

• photosynthesis

Plant absorbs water by ........

• flowers

• root hairs.

• stem

The layer that follows the cortex layer is called .............

• epidermis

• endodermis

• xylem

The layer that follows the epidermis layer is .............

• wood layer.

• cortex layer

• pith layer.

Root hairs extend from cells of ….......... layer.

• xylem

• cortex

• epidermis

Root hairs absorb water by .............

• osmosis

• swallowing

• selective permeability feature.

......................... of the root hair membrane allows only some salts to pass through

according to the plant's need.

• Evaporation

• Osmosis

• Selective permeability

Calcium, nitrogen and zinc are elements necessary for the plant's life. ( )

• true

• false

• i don`t know

The outermost layer of the plant’s root is cortex. ()

• true

• false

• i don`t know

The concentration of the solution inside the sap vacuoles of the root

hairs is higher than that of the soil. ( )

• i don`t know

• true

• false