Correct Answer - Option 1 : Lettuce
The description is as follows:
||It is a vegetable.
||It is a fruit.
||It is a fruit that belongs to the Pyrus family.
||It is a type of fruit that grows on deciduous shrubs.
||An apple is an edible fruit
||Watermelon is a fruit.
Except for Lettuce, all others are fruits.
Lettuce is a vegetable mostly grown as leaves and often used in salads.
Hence, "Lettuce" is different from all the others.