Jamb 2013 Agriculture Past Questions And Answers
1
The anti-sterility vitamin in livestocks nutrition is
- A. vitamin K
- B. vitamin E
- C. vitamin C
- D. vitamin B.
2
A piece of information contained in payroll record of farms is
- A. date of employment
- B. equity
- C. income generated
- D. total credit.
3
The relative humidity in an incubator is usually set at
- A. 10% - 30%
- B. 40% - 60%
- C. 70% - 80%
- D. 90% - 100%.
4
From the curve below, at what point is it advisable for the farmer to stop further addition of input?

- A. I
- B. II
- C. III
- D. IV
5
The classification of soils into sand, loam and clay is largely determine by the percentage of
- A. mineral matter
- B. organic matter
- C. soil water
- D. soil air
6
The causative organism of Avian influenza is a
- A. bacterium
- B. virus
- C. fungus
- D. protozoan.
7
Which of the following groups of crops are mostly cultivated in the rainforest zone of Nigeria?
- A. Millet, yam and coconut
- B. Maize, cocoyam and cassava
- C. Sorghum, sweet potato and date
- D. Wheat, Irish potato and groundnut
8
Selection based on the performance of ancestors is referred to as
- A. family selection
- B. pedigree selection
- C. progeny selection
- D. line selection.
9
The breed of sheep that can be found throughout Nigeria is
- A. Yankasa
- B. Uda
- C. West Africa dwarf sheep
- D. Balami.
10
Retailers may create artificial scarcity of goods by
- A. price hiking
- B. hoarding
- C. under producing
- D. processing.