Wheat (the plant) is, as Cycling-rod says, a cereal grain, which is a type of grass grown for its "fruit". It's definitely not a shrub (a small to medium sized woody plant). It's also not an herb in the culinary sense (a plant grown for its aromatic or savory leaves or flowers), though it is a "herbaceous plant" in the botanical sense (a plant with no persistent woody stem above ground).
Potato is a herb.
Spinach is not an herb or a shrub. It is a leafy green vegetable that belongs to the amaranth family.
A cucumber is a fruit (it contains seeds) but can also be classified as a vegetable.
Gulmohar is neither a herb nor a shrub, it is actually a type of tree. Its botanical name is Delonix regia, and it is known for its vibrant red or orange flowers. Gulmohar trees are commonly found in tropical and subtropical regions.
Ladyfinger, also known as okra, is a herbaceous plant. It is considered an herb rather than a shrub because it does not have a woody stem and usually grows as an annual.
Neither. It is a form of grain.
herb shrub
Jute plant is a herb
Lemon is neither an herb nor a shrub. It is a tree.
herb
shrub
shrub
a shrub
It is a fungus.
HERB.
herb
Herb