JAMB and WAEC Agricultural Science questions: Soil formation and properties

39 questions with answers and explanations. Tap an option to check yourself.

All topics Agricultural economics and extension · 41 Animal pests and diseases · 38 Animal reproduction and nutrition · 38 Classification and anatomy of farm animals · 37 Crop classification and propagation · 36 Crop pests and diseases · 39 Farm tools and mechanisation · 35 Fisheries and aquaculture · 35 Forestry · 33 Husbandry of field crops · 41 Irrigation and drainage · 36 Livestock management · 37 Meaning and importance of agriculture · 36 Soil fertility, manures and fertilisers · 43 Soil formation and properties · 39 Weeds and weed control · 33

Question 21· Soil formation and properties· JAMB
Soil texture refers to the
Explanation and discussion
Question 22· Soil formation and properties· WAEC
Physical weathering of rocks can be caused by
Explanation and discussion
Question 23· Soil formation and properties· JAMB
A soil sample contains 40% sand, 40% silt and 20% clay. It is best described as
Explanation and discussion
Question 24· Soil formation and properties· JAMB
The first stage in the formation of soil is the
Explanation and discussion
Question 25· Soil formation and properties· JAMB
The ease with which water passes through a soil is its
Explanation and discussion
Question 26· Soil formation and properties· JAMB
Soil structure refers to the
Explanation and discussion
Question 27· Soil formation and properties· WAEC
The type of soil water held so tightly round particles that plants cannot use it is
Explanation and discussion
Question 28· Soil formation and properties· WAEC
The soil horizon that is darkest and richest in humus is the
Explanation and discussion
Question 29· Soil formation and properties· JAMB
Which of these is a biological agent of weathering?
Explanation and discussion
Question 30· Soil formation and properties· JAMB
Soil air is important to crops because it supplies
Explanation and discussion
Question 31· Soil formation and properties· JAMB
Of the following, the soil particle with the largest size is
Explanation and discussion
Question 32· Soil formation and properties· JAMB
The capacity of soil to hold exchangeable cations is mainly due to
Explanation and discussion
Question 33· Soil formation and properties· WAEC
A soil with good crumb structure has
Explanation and discussion
Question 34· Soil formation and properties· WAEC
A soil with large particles and large pore spaces that drains quickly is
Explanation and discussion
Question 35· Soil formation and properties· WAEC
Earthworms improve the soil by
Explanation and discussion
Question 36· Soil formation and properties· WAEC
Wind is an agent of
Explanation and discussion
Question 37· Soil formation and properties· WAEC
The breakdown of rocks by repeated heating and cooling is
Explanation and discussion
Question 38· Soil formation and properties· JAMB
Soil air is important because it
Explanation and discussion
Question 39· Soil formation and properties· JAMB
Which soil horizon is called the zone of accumulation?
Explanation and discussion

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JAMB and WAEC Agricultural Science questions: Soil formation and properties

Soil texture refers to the

Physical weathering of rocks can be caused by

A soil sample contains 40% sand, 40% silt and 20% clay. It is best described as

The first stage in the formation of soil is the

The ease with which water passes through a soil is its

Soil structure refers to the

The type of soil water held so tightly round particles that plants cannot use it is

The soil horizon that is darkest and richest in humus is the

Which of these is a biological agent of weathering?

Soil air is important to crops because it supplies

Of the following, the soil particle with the largest size is

The capacity of soil to hold exchangeable cations is mainly due to

A soil with good crumb structure has

A soil with large particles and large pore spaces that drains quickly is

Earthworms improve the soil by

Wind is an agent of

The breakdown of rocks by repeated heating and cooling is

Soil air is important because it

Which soil horizon is called the zone of accumulation?