Most evaluations of teaching are done on five-point scales from strongly disagree (1) to strongly agree (5), or very unsatisfied (1) to very satisfied (5). these response options are best considered to be measured on a(n) scale.

Likert scale

Explanation: Likert scale is defined as the measuring scale which has the difference in five points used for surveying the people like children in classroom, customers at shop etc. This scale measure the response which can be positive (like strongly agree), negative or negative( like strongly disagree).

The Likert scale has five defined points as strongly agree, agree, neutral, disagree and strongly disagree for knowing the agreement as response. Similarly the points in satisfactory scale is from very satisfied to very unsatisfied for knowing the views about customer service etc.

The right answer is letter A.

At some points in the Ganges the level of fecal bacteria per 100 milliliters reaches 31 million, as at the confluence with the mouth of the Varuna river, or 51,000 in the popular Tulsi ghat, when the maximum recommended for the bath is 500 and, for the consumption, zero.