Biology G 11 T1 - General revision

Bilharzia worms belongs to the .....

• saprophtes

• carnivoores

• parasites

• autotrophs

the lost of root hairs are regenerated from the .... in the root .

• cortex

• epidermis

• elongation zone

• xylem

the ability of plant to imbibe water is due to

• their colloidal nature

• their flexibility

• their selective permeability

• all the previous

the cells in plant leaf are impermeable , due to the presence of ........ substance.

• cutin

• cellulose

• lignin

• suberin

the walls of the plant cells absorb water by ....

• diffusion

• imbibition

• permeability

• osmosis

............ element is from the macro-nutrients

• Aluminumm

• nitrogen

• oxygen

• chlorine

......... is from the trace elements( micro-nutrients) needed by the plant.

• phosphorus

• nitrogen

• chlorine

• Sulphur

............... is the movemnt of any substance across the cell membrane by using chemical energy.

• diffusion

• selective permeability

• osmosis

• active transport

the movement of water through the semi-permeable membrane from a high-concentrated area to a low concentrated area of water.

• diffuisin

• selective permeability

• osmosis

• imbibition

the 1st stable compound that is produced in the photosynthesis

• NADP

• PGAL

• ATP

• NADPH