Jamb Biology 1985 Past Questions and Answers

Question 36:

• JAMB 1985

Germination which results in the cotyledons being brought above ground is called

A. Hypocotyl
B. Epicotyl
C. Epigeal
D. Hypogeal
E. Plumule

Question 37:

• JAMB 1985

The mammalian endocrine system is responsible for

A. Transmitting impulse
B. Regulating body temperature
C. Regulating osmotic pressure of blood
D. Chemical co-ordination
E. The manufacture of blood

Question 38:

• JAMB 1985

An old man is likely to be long-sighted because age affects the

A. Optic nerves
B. Retina
C. Ciliary muscles
D. Cornea
E. Aqueous humour

Question 39:

• JAMB 1985

In mammals, stimulus is transferred from the receptor muscles to the central nervous system through the

A. Motor neurons
B. Effector muscles
C. Dendrites
D. Sensory neurons
E. Synapses

Question 40:

• JAMB 1985

A relationship between living organisms which is of mutual benefit is

A. Parasitism
B. Saprophtism
C. Ecosystem
D. Symbiosis
E. Commensalism