41. Which of the following is a method of crop management that involves growing two or more crops together on the same piece of land?
a) Intercropping
b) Crop rotation
c) Monocropping
d) Mixed cropping
42. Which of the following is an essential macronutrient required for plant growth and is commonly provided to crops in the form of chemical fertilizers?
a) Nitrogen
b) Iron
c) Zinc
d) Phosphorus
43. Which of the following is an essential macronutrient required for plant growth and is commonly provided to crops in the form of chemical fertilizers?
a) Nitrogen
b) Calcium
c) Potassium
d) Phosphorus
44. Which of the following is an essential macronutrient required for plant growth and is commonly provided to crops in the form of chemical fertilizers?
a) Nitrogen
b) Calcium
c) Potassium
d) Iron
45. Which of the following is an essential macronutrient required for plant growth and is commonly provided to crops in the form of chemical fertilizers?
a) Nitrogen
b) Calcium
c) Potassium
d) Phosphorus
