Post Utme Biology Past Questions and Answers

Question 616:

One of these is not possible on cold day for homocothermic animals ____________

A. Dilation of the blood vessel
B. Increase in muscular activities
C. Constriction
of blood vessels
D. Increase in activities of internal organs

Question 617:

Production of vitamin D is function of the ____________

A. Skin
B. Stomach
C. Kidney
D. Liver

Question 618:

Temperature control is a function of the ____________

A. Cerebrum
B. Cerebellum
C. Medulla oblongata
D. Hypothalamus

Question 619:

The transverse section of the spinal cord shows the following except ____________

A. Median fissure
B. Dorsal fissure
C. Ventral fissure
D. Grey matter

Question 620:

A sudden structural change in a chromosome or gene of an organism is known as ____________

A. Lysis
B. Mutation
C. Dislocation
D. Adjustment