Waec Agricultural Science 1996 Past Questions and Answers

Question 6:

• WAEC 1996

A biotic factor influencing agricultural production is

A. Rainfall
B. Predator
C. Soil structure
D. Wind
E. Temperture

Question 7:

• WAEC 1996

Tropical crops grow best within the temperature range of

A. 40⁰C-60⁰C
B. 35⁰C-55⁰C
C. 30⁰C-50⁰C
D. 18⁰C-32⁰C
E. 6⁰C-15⁰C

Question 8:

• WAEC 1996

The alternate heating and cooling of rocks will result in

A. Molten magma
B. Sublimation
C. Solidification
D. Sedimentation
E. Fragmentation

Question 9:

• WAEC 1996

Which of the following is an example of igneous rock?

A. Gneiss
B. Limestone
C. Standstone
D. Granite
E. Quartzite

Question 10:

• WAEC 1996

In an experiment to determine the percentage of humus content in a soil, the following results were obtained:
mass of dish = 10 gm
mass of dish and oven-dry soil = 50 gm
mass of dish and soil after heating = 40 gm
Calculate the amount of humus in the soil sample.

A. 10 gm
B. 40 gm
C. 50 gm
D. 60 gm
E. 90 gm