Neco Biology 2003 Past Questions and Answers

Question 31:

• NECO 2003

Which of the following is NOT true of enzymes?

A. Their reactions are reversible
B. Their reactions are irreversible
C. They remain unchanged after the reaction
D. They are affected by high temperatures
E. They have active sites

Question 32:

• NECO 2003

The following are major groups of the plant kingdom EXCEPT

A. Bryophyta
B. Chiorophyta
C. Pteridophyta
D. Spermatophyta
E. Thallophyta

Question 33:

• NECO 2003

The process by which some organisms oxidize inorganic compounds to obtain energy is known as ____________

A. Catabolism
B. Chemosynthesis
C. Glycolysis
D. Metabolism
E. Photosynthesis

Question 34:

• NECO 2003

The excretory organ of earthworms is known as ____________

A. Contractile vacuole
B. Flame cell
C. Malphigian tubule
D. Nephridium
E. Kidney

Question 35:

• NECO 2003

Which of the following is NOT a family planning method?

A. Abstinence
B. Contraceptive device
C. Masturbation
D. Sterilization
E. Use of condoms