Jamb Biology 2005 Past Questions and Answers

Question 11:

• JAMB 2005

The stage in the life history of a moth responsible for the destruction of agricultural crops is the

A. Nymph
B. Imago
C. Pupa
D. Caterpillar

Question 12:

• JAMB 2005

The blackfly is a vector of

A. Malaria
B. Trypanosomiasis
C. Onchocerciasis
D. Yellow fever

Question 13:

• JAMB 2005

The transition from amphibians to mammals involves the limb becoming arranged to support the weight more effectively requiring modifications in the

A. Collar bones and coccyx
B. Pectoral and pelvic girdles
C. Scapulae and clavicles
D. Vertebrae and sternum

Question 14:

• JAMB 2005

The main function of the caudal fin in Tilapia is to

A. Propel it forward in water
B. Steer it while changing direction
C. Balance it in water
D. Enable it to float in water

Question 15:

• JAMB 2005

In the root vascular system, the stele is directly surrounded by the

A. Pericycle
B. Cortex
C. Endodermis
D. Parenchyma