Waec Biology 2006 Past Questions and Answers

Question 26:

• WAEC 2006

Which of the following vertebrae provide articulating surfaces for the ribs?

A. Thoracic
B. Lumbar
C. Cervical
D. Sacral

Question 27:

• WAEC 2006

Which of the following is not a component of the appendicular skeleton?

A. Ulna
B. Atlas
C. Femur
D. Pelvic girdle

Question 28:

• WAEC 2006

If the mucus in the air track of mammals dry up and the hairs in the nostrils are removed

A. Impure air would be breathed into their lungs
B. The speed of air movement into their lungs would increase
C. Breathing air into their lungs would be difficult
D. More air would be taken into their lungs

Question 29:

• WAEC 2006

A one-seeded fruit in which the pericarp has fused with the seed coat is classified as

A. A berry
B. A caryopsis
C. A legume
D. An achene

Question 30:

• WAEC 2006

Study the following list of deficiency symptoms in animals; use it to answer the questions below
I. Loss of appetite and weight; II. Delayed healing of wounds; III. Rickets; IV Sterility in animals
V Failure of blood to clot; VI. Night blindness
Which of the following deficiencies is caused by lack of vitamin A

A. I
B. III
C. V
D. VI