Which of the following organisms is both parasitic and autotrophic?
Sundew
Loran thus
Rhizopus
Tapeworm
A function of the hydrochloric acid produced in the human stomach during digestion is to
neutralise the effect of bile
coagulate milk protein and emulsify fats
stop the action of ptyalin
break up food into smaller particles
Which of the following is a polysaccharide?
Glucose
Sucrose
Maltose
Cellulose
Arrows represent directional movement materials.
Transportation in the xylem is represented by

I
II
III
IV
The arrow labelled ll represents the

release of oxygen
intake of carbon (IV) oxide
movement of photosynthates
movement of nutrients