Post Utme Biology Past Questions and Answers

Question 356:

Breathing movement in mammals is accompanied by regular movement of the diaphragm and the ____________

A. Pleural cavity
B. Vertebral column
C. Clavicle
D. Intercostals muscles

Question 357:

The increase in width of blood vessels in the mammalian skin at high temperatures is known as ____________

A. Vasodilation
B. Vasoconstriction
C. Shivering
D. Sweating

Question 358:

Which of the following reagents is used for the test for starch?

A. Millon's reagent
B. Fehling's solution
C. Iodine solution
D. Benedict's solution

Question 359:

Changes in energy flow between organisms in a habitat can be represented by a ____________

A. Pyramid of members
B. Pyramid of energy
C. Pyramid of biomass
D. Food chain

Question 360:

Thrombocytes are blood cells responsible for initiating ____________

A. Phagocytosis of bacteria
B. Immunity to certain infectious diseases
C. Clotting of blood
D. Synthesis of ribosomes