Post Utme Biology Past Questions and Answers

Question 276:

Which of the following instruments is used to measure the speed of a stream?

A. Simple float
B. Secchi disc
C. Quadrat frame
D. Rain guage

Question 277:

Which of the following factors is not associated with aquatic habitats?

A. Salinity
B. Turbidity
C. Temperature
D. Edaphic

Question 278:

Which of the following juices contains the enzyme ptyalin?

A. Gastric juice
B. Pancreatic juice
C. Succus
D. Saliva

Question 279:

A faster colour change of a dry cobalt chloride paper affixed to the lower surface of a leaf than the upper one indicate that ____________

A. Sunlight slows down water loss from the upper surface
B. The lower surface of the leaf has more stomata
C. Sunlight causes the stomata on the upper surface to close
D. Stomata are not present on the upper surface of a leaf

Question 280:

Which of the following describes an example of fertilization in higher organism?

A. Fusion of sperm and egg nuclei
B. Ejaculating of sperm into a female body l
C. Male gametes germinating in the pollen tube
D. A pollen grain landing on a sticky stigma