Waec Agricultural Science Past Questions
Question 1861
Monocotyledonous crops include
- A. oil palm, rice, and plantain.
- B. cowpea, pepper and tomato
- C. garden egg, cassava and mango
- D. rubber, cashew and orange
Question 1862
Water can be conserved in the soil by
- A. mulching, strip cropping and cover cropping
- B. weeding, strip cropping and clean clearing
- C. clean clearing, mulching, and strip cropping
- D. cover cropping, mulching and weeding
Question 1863
Nitrogen is important in plants because it is mainly needed in
- A. fruit formation
- B. root development
- C. leaf formation
- D. cell division
Question 1864
Potassium deficiency in cereal crops Is indicated by
- A. browning of leaves Trom the tips and margins
- B. yellowing of younger leaves
- C. purpling of leaves
- D. white and irregular spots on leaves
Question 1865
The diagram below illustrates a tool used to analyse a soil sample in an experiment. Use it to answer this question.
The diameter of the soil particle that would be retained in the part labelled II is
- A. 0.002 - 0.02 mm
- B. 0.02 - 0.2 mm
- C. 0.2 - 2.0 mm
- D. 2.0 mm