Neco Biology Past Questions and Answers

Question 231:

• NECO 2005

Which of the following is a nitrifying bacterium?

A. Azotobacter
B. Clostridium
C. Nitrobacter
D. Rhizobium
E. Staphylococcus

Question 232:

• NECO 2005

ln the process of succession, a climax community is established when ____________

A. A stable community is achieved
B. The colonizers accommodate the new corners
C. The colonizers are wiped out
D. The first inhabitants settle down
E. The new corners dominate the original inhabitants

Question 233:

• NECO 2005

The speed of wind can be measured with an instrument called ____________

A. Anemometer
B. Barometer
C. Hygrometer
D. Photometer
E. Thermometer

Question 234:

• NECO 2005

All these statements are correct about a vein EXCEPT that it ____________

A. Carries blood to the heart
B. Contains blood at low pressure
C. Has no valve
D. Possesses fairly thick walls
E. Usually carries deoxygenated blood

Question 235:

• NECO 2005

Tsetse-fly is a vector of a disease known as ____________

A. Cholera
B. Dysentery
C. Elephantiasis
D. Malaria
E. Trypanosomiasis