Which of the following defines agriculture?

A. the raising of farm animals by rural communities

B. a way of life by which farmers produced food

C. the raising of crops to satisfy human needs

D. an art of farming inherited from our fore-fathers

E. the science and art of farming to satisfy human needs

When a piece of land is leased to a farmer, the land is said to be

A. given to him as subsidy

B. purchase on loan

C. allocated on a rental basis

D. given as a gift

E. inherited

The Nigerian Land Use Act of 1978 puts the right ownership of land on the

A. president of the farmers cooperative

B. head of the family unit

C. head of the society

D. governor of a state

E. traditional rulers

Which of the following factors will not influence the use of land for farming?

A. population density

B. climatic condition

C. topography

D. light intensity

E. type of vegetation

A biotic factor influencing agricultural production is

A. rainfall

B. predator

C. soil structure

D. wind

E. temperture

Tropical crops grow best within the temperature range of

A. 40⁰C-60⁰C

B. 35⁰C-55⁰C

C. 30⁰C-50⁰C

D. 18⁰C-32⁰C

E. 6⁰C-15⁰C

The alternate heating and cooling of rocks will result in

A. molten magma

B. sublimation

C. solidification

D. sedimentation

E. fragmentation

Which of the following is an example of igneous rock?

A. gneiss

B. limestone

C. standstone

D. granite

E. quartzite

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

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 percentage of humus in the soil sample.

A. 10 %

B. 25%

C. 60%

D. 75%

E. 80%