Which of the labelled parts is made up of dead cells?

A. III and IV

B. I, II and IV

C. IV and V

D. II and III

E. II and IV

The part labelled I in the diagram is called

A. stoma

B. epidermis

C. Ienticel

D. cortex

E. parenchyma

The malpighian tubule plays a major role in

A. inspiration

B. digestion

C. secretion

D. reproduction

E. excretion

Filtered blood from the kidney is carried back to the circulatory system
through the

A. hepatic portal vein

B. renal artery

C. renal vein

D. pulmonary vein

E. vena cava

The early removal of the pituary gland in animals may cause

A. ceasation of growth

B. gigantism

C. poor mental development

D. goitre

E. inability to digest food

A high concentration of auxin in the root will

A. inhibit growth

B. stimulate growth

C. not affect growth

D. cause the root to roth

E. reduce water absorption

The part labelled II in the diagram is the

A. central canal

B. grey matter

C. spinal cord

D. dorsal root

E. vertebrarterial canal

Which of the labelled parts is filled with cerebrospinal fluid?

A. V And I

B. V only

C. III only

D. II and I

E. I only

Which of the following is an example of a reflex action?

A. Sneezing

B. Biting

C. Dancing

D. Singing

E. Talking

During mating, the male toad holds the female with its

A. sticky tongue

B. jelly

C. webbed hind limbs

D. nuptial pad

E. gummy limbs