Which of the following is (are) true for the rate constant of a chemical reaction?

Which of the following statement about the rate of a chemical reaction is (are) not true?

State whether the following statements are true or false. The rate of a chemical reaction changes in presence of catalyst.

Which of the following about the rate constant K of a reaction wrong ?

The rate constant is numerically the same for three reactions of first, second and third order respectively. Which one of the following is true for the rate of these reactions if concentration of the reactant is same and greater than 1 M ?

The rate of a chemical reaction depends on