Biology 1993 Jamb Past Questions and Answers

Question 36 :

• JAMB 1993

Two organisms of different species, living in close association but not dependent on each other are referred to as

A. Parasites
B. Commensals
C. Symbionts
D. Autotrophs

Question 37 :

• JAMB 1993

Which of the following instruments is NOT used in measuring abiotic factors in any habitat?

A. Microscopic
B. Thermometer
C. Hygrometer
D. Wind vane

Question 38 :

• JAMB 1993

Plants adapted for life in salty marsh are called

A. Hydrophytes
B. Xerophytes
C. Halophytes
D. Epiphytes

Question 39 :

• JAMB 1993

Which group of plants would be the first colonizers in an ecological succession changing rocks to soil?

A. Mosses
B. Ferns
C. Lichens
D. Grasses

Question 40 :

• JAMB 1993

Soil fertility can be conserved and renewed by

A. Yearly monocropping
B. Crop rotation and cover crops
C. Bush burning to remove unwanted debris
D. Avoiding artificial manures