Post Utme Biology Past Questions and Answers

Question 621:

A pair of genes of contrasting characters are the ____________

A. Hybrid
B. Zygous
C. Alleles
D. Traits

Question 622:

One member of the purines group of the nitrogenous base of the DNA is the ____________

A. Photolysis of water
B. Reduction of NADII
C. Assimilation of CO2
D. Production of oxzygen as a by-product

Question 623:

The movement of dissolved food materials in the vascular tissue of plants is known as ____________

A. Active transport
B. Translocation
C. Transportation
D. Dissolution

Question 624:

The regulation of the amount of water vapour CO2 and O2 entering the leaf is the function of ____________

A. Lenticels
B. Intercellular air spaces
C. Stomata
D. Vein

Question 625:

Production of the red blood cells in the embryo is attributed to ____________

A. Bone
B. Liver
C. Pancreases
D. Kidney