Post Utme Biology Past Questions and Answers

Question 296:

Gaseous exchange occurs through the following structures in some organisms except ____________

A. Spiracle and trachea
B. Alveoli and lungs
C. Stomata and lenticels
D. Chloroplast and plastids

Question 297:

A change in the environment of an organism is termed ____________

A. Sensitivity
B. Impulse
C. Response
D. Stimulus

Question 298:

Organisms that interbreed to produce fertile offspring belong to the same ____________

A. Class
B. Family
C. Species
D. Order

Question 299:

Yeast is added to the dough during the preparation of bread because it produces ____________

A. Ethanol
B. Carbon dioxide
C. Heat
D. Carbohydrate

Question 300:

The fine adjustment of the light microscope is used to ____________

A. Focus the object under high powe
B. Focus the object under low powe
C. Admit more light into the microscope
D. Raise the stage upwards