Option 1: This option states that both statements are true and Statement II is the correct explanation of Statement I. However, this is not the correct option. While Statement II supports the idea of fertile soil in the humid tropics, it does not explain why plantation farming is mostly practiced in these regions.

Option 2: This option states that both statements are true, but Statement II is not the correct explanation of Statement I. This is the correct answer. Statement I is true because plantation farming is indeed mostly practiced in humid tropics due to factors such as the suitable climate and abundant rainfall. However, Statement II is false because the fertility of the soil in the humid tropics is not the main reason for plantation farming.

Option 3: This option states that Statement I is true, but Statement II is false. This is the correct answer. Statement I is true because plantation farming is mostly practiced in the humid tropics. However, Statement II is false because the fertility of the soil is not the main reason for this.

Option 4: This option states that Statement I is false, but Statement II is true. This is not the correct answer. Statement I is actually true as plantation farming is indeed mostly practiced in the humid tropics. Therefore, this option can be