Question

teak is a precious wood
noun and pronoun
​

Answer 1

noun =teak & pronoun= precious

Answer 2

Teak is a precious wood.

Here, Teak is a noun and there exists no pronoun in this sentence.

The whole sentence is a noun phrase because it describes a noun, that is 'Teak'.

A quick FYI :

A noun is defined as a name given to a place, thing, person or an animal.

Ex: Scott, London, Earth, God, Pen, etc.

A pronoun is a word that, significantly, functions or substitutes for a noun or a noun phrase.

Ex: I, you, he, she, me, him, her, etc.