Post Utme Biology Past Questions and Answers

Question 521:

Annelids differ from nematodes in that ____________

A. Exhibit bilateral symmetry
B. Are tripoblastic
C. Are metamerically segmented
D. Possess complete digestive system

Question 522:

In ferns, the sporophyte ____________

A. Develops from a haploid zygote
B. Reproduces sexually to produce spore
C. Is haploid and dependent on the gametophyte
D. Is diploid and independent of the gametophyte

Question 523:

The nitrogenous substance that is excreted by birds in order to conserve water is ____________

A. Ammonia
B. Urea
C. Uric acid
D. Nitric acid

Question 524:

The element that is essential for the coagulation of blood is ____________

A. Potassium
B. Calcium
C. Phosphorus
D. Iron

Question 525:

Stomata pores opens when there is ____________

A. An increase in the osmotic concentration of guard cells
B. A decrease in the osmotic concentration of guard cells.
C. A decrease in the sugar content of mesophyll cells.
D. An increase in the sugar content of mesophyll cells.