Neco Biology 2009 Past Questions and Answers

Question 26:

• NECO 2009

Which of the following is a characteristic of mollusc?

A. Bodies are protected by hard exoskeleton
B. Bodies are segmented
C. Body walls have three layers
D. Presence of paired jointed appendages
E. The head bears a pair of antennae

Question 27:

• NECO 2009

These groups of bacteria are harmless EXCEPT

A. Denitrifying
B. Nitrifying
C. Nitrogen-fixing
D. Parasitic
E. Saprophytic

Question 28:

• NECO 2009

Which of the following enzymes act on carbohydrates?

A. Amylase
B. Lipase
C. Pepsin
D. Renin
E. Trypsin

Question 29:

• NECO 2009

Plants use Nitrogen in the form of ____________

A. Ammonia
B. Ammonium
C. Nitrates
D. Nitrites
E. Urea

Question 30:

• NECO 2009

Digested food is carried from small intestine to the liver by the ____________

A. Hepatic artery
B. Hepatic portal vein
C. Hepatic vein
D. Inferior vena cava
E. Superior vena cava