Waec Biology Past Questions and Answers

Question 156:

• WAEC 1991

If a germinating seed is attached horizontally on a revolving klinostat, what will be the effect of the seedling after three days? The

A. Plumule will curve vertically upward while the radicle will curve towards the ground
B. Plumule and radicle will not show any curvature
C. Radicle will curve towards the ground while the plumule will not show any curvature
D. Plumule will curve vertically upward while the radicle will not show any curvature
E. Plumule and radicle will curve towards the ground

Question 157:

• WAEC 1991

The human skin is regarded as a sense organ because it

A. Separates the body from the outside world
B. Protects the body from cold and heat
C. Regulates the water content of the body
D. Has an outer layer of dead cells
E. Has nerve endings

Question 158:

• WAEC 1991

The part of the brain responsible for the control the controls of voluntary movement and interpretation of sensation is the

A. Cerebrum
B. Cerebellum
C. Optic lobe
D. Medulla oblongata
E. Olfactory lobe

Question 159:

• WAEC 1991

Which part of the ear is responsible for the maintenance of balance?

A. Ossicles
B. Tympanic membrane
C. Eustachian tube
D. Semicircular canals
E. Cochlea

Question 160:

• WAEC 1991

Which of the following is not part of the female reproductive system?

A. Ovary
B. Seminal vessicles
C. Uterus
D. Vagina
E. Fallopian tube