Use the diagram above to answer this question.

The part labelled IV is the

A. mitochondrion

B. cell wall

C. endoplasmic reticulum

D. nucleus

Use the diagram above to answer this question.Arrows represent directional movement materials.

Transportation in the xylem is represented by

A. I

B. II

C. III

D. IV

Use the diagram above to answer this question. Arrows represent directional movement materials.

The arrow labelled ll represents the

A. release of oxygen

B. intake of carbon (IV) oxide

C. movement of photosynthates

D. movement of nutrients

Use the diagram above to answer this question.

The developing embryo is usually contained in the part labelled

A. IV

B. III

C. II

D. I

Use the diagram above to answer this question.

The function of the part labelled lll is to

A. produce egg cells

B. protect sperms during fertilization

C. secrete hormones during coitus

D. protect the developing embryo

Use the diagram above to answer this question.

The graph illustrates

A. the highest frequency for height of 2 metres

B. a discontinuously varying character

C. a continuously varying character

D. total yield in a cassava farm

The largest number of cassava plants has an approximate height of

A. 1.4m

B. 1.6m

C. 1.8m

D. 2.0m

The type of interaction shown is referred to as

A. interspecific competition

B. intraspecific competition

C. mutualism

D. cooperation

In the diagram, which of the following statement is true of the interaction

A. P aurelia is better adapted for obtaining food than P caudatum

B. aurelia

C. both organisms cannot coexist

D. both organisms cannot reproduce