Jamb Agricultural Science Past Questions For Year 2020
Question 26
Which of the following is not normally a pasture crop?
- A. mucuna
- B. centrosema
- C. stylosanthes
- D. giant star grass
Question 27
The main purpose of including leguminous crops in pastures is to serve as a source of
- A. proteins
- B. vitamins
- C. minerals
- D. carbohydrates
Question 28
A soil with the PH range of 6.1 to 6.9 can be described as
- A. alkaline
- B. very acidic
- C. slightly alkaline
- D. slightly acidic
Question 29
A biotic factor influencing agricultural production is
- A. rainfall
- B. predator
- C. soil structure
- D. wind
Question 30
Which of the following is an example of igneous rock?
- A. gneiss
- B. limestone
- C. standstone
- D. granite
