The noun 'plant' is a common noun, a general word for a living organism; a general word for a place where an industrial or manufacturing process takes place.
A proper noun is the name of a specific person, place, or thing; for example:
The word "weed" is a common noun. It is any undesirable plant, especially a plant that grows where desirable plants have been planted.
As a name of a road , Park Avenue', it is a proper noun, and both words star with a capital letter. However, when used separately, as 'the park, or 'the avenue', they are common nouns and so not need a capital letter.
No, "hemlock" is a common noun referring to a type of plant.
It is a proper noun, because it is the name of a specific thing.
Proper noun
proper
it's a common noun. a proper noun would be Spider-Man.
Pencil proper or common noun
No, "bulb" is a common noun. It refers to a type of plant structure, such as a tulip bulb.
The noun cassette is a common noun.
a common noun?
Camel is a common noun.