Waec Biology 1988 Past Questions and Answers

Question 16:

• WAEC 1988

Auxins are produced in the

A. Petiole of leaves
B. Parenchyma of roots and shoots
C. Epidermis of roots and shoots
D. Apical regions of roots and shoots
E. Sclerenchyma tissues of roots and shoots

Question 17:

• WAEC 1988

The brain and the spinal cord make up the

A. Pheripheral nervous system
B. Automatic nervous system
C. Central nervous system
D. Somatic nervous system
E. Sympathetic nervous system

Question 18:

• WAEC 1988

Which of the following specialized structures are stimulated by touch, pressure, pain, heat and cold?

A. Receptors
B. Synapse
C. Cell bodies
D. Myelin sheath
E. Relay neurones

Question 19:

• WAEC 1988

Which of the following is not correct about a fruit? lt

A. May contain many seeds
B. Is a mature ovary
C. Is covered by the pericarp
D. May develop from the receptacle
E. Possesses only one scar.

Question 20:

• WAEC 1988

Which structure in the maize grain stores food?

A. Radicle
B. Embryo
C. Cytoplasm
D. Seed coat
E. Endosperm.