Explanation:

Adjournment Motion is the procedure for adjournment of the business of the House for the purpose of discussing a definite matter of urgent public importance, which can be moved with the consent of the Speaker.

Question Hour is the first hour of a sitting session of Lok Sabha devoted to questions that Members of Parliament raise about any aspect of administrative activity. The concerned Minister is obliged to answer to the Parliament, either orally or in writing, depending on the type of question raised.

The member is allowed to ask a supplementary question, with the permission of the Speaker, after the reply is obtained from the Minister concerned.

All statements are correct

The Parliament exercises control over the ministers through various other devices  like discussions, no confidence motion, etc.