Question

is there any apple in the basket is correct sentence.?​

Answer 1

If the basket contains slices of fruit rather than whole fruits, then "Is there any apple in the basket." is correct because you are not asking about countable apples.

Answer 2

Yes it is correct but since it is interrogative sentence so you have end the sentence with a question mark ❓

so the answer will be

Is there any apple in the basket?