Waec Biology 2014 Past Questions and Answers

Question 11:

• WAEC 2014

The legs of an accident victim with a fractured vertebral column and injured spinal cord could not be raised because

A. Impulses fromreceptors in the legs cannot travel to the brain
B. Impulses from the brain cannot travel to the legs
C. Chemical substances will be released at synapses in the central nervous system
D. Reflexx actions cannot take place in the legs

Question 12:

• WAEC 2014

Which of the following conditions in flowering plants enhance self-pollination?

A. Cleistogamy
B. Heterostyly
C. Protandry
D. Protogyny

Question 13:

• WAEC 2014

The inability to maintain proper balance of the body in humans may be due to a defect in the

A. Cochlea
B. Euastachian tube
C. Semi-circular canals
D. Oval window

Question 14:

• WAEC 2014

The following substances pass into the blood of the foetus from the mother's blood via the placenta except

A. Carbon dioxide
B. Glucose
C. Viruses
D. Antibodies

Question 15:

• WAEC 2014

An inferior ovary of a flower is situated

A. Below the floral parts
B. Above the floral parts
C. At the same level with all the floral parts
D. At the centre of the floral parts