............... is a question asked during the Question Hour when a member requires an oral answer in the House, which can result in supplementary questions being asked.

Correct option is A

The correct answer is (a) Starred Question
Explanation:
. A Starred Question is one for which a member desires an oral answer in the House. . It is distinguished by placing an asterisk (*) mark on it.
. Since the answer is given orally, supplementary questions can follow based on the Minister's reply.
. These questions are printed in green color in the Lok Sabha lists to distinguish them.
. Usually, a maximum of 20 starred questions can be listed for a single day in the Lok Sabha.
Information Booster:
. The first hour of every parliamentary sitting is termed the Question Hour.
. The presiding officer has the final authority to decide whether a question is admissible. . Article 118 empowers each House of Parliament to make rules for regulating its procedure.
Additional Knowledge:
(b) Question addressed to a private member (Option b)
. A question can be addressed to a private member (an MP who is not a Minister) if the subject relates to a Bill, Resolution, or other matter connected with the business of the House for which that member is responsible.
(c) Short Notice Question (Option c)
. These relate to a matter of urgent public importance and can be asked with notice shorter than the usual 10 days. They are answered orally.
(d) Unstarred Question (Option d)
. An Unstarred Question is one for which a written answer is desired. No supplementary questions can be asked. These are printed in white color.