Which of the following questions can be considered as open-ended question(s)? A. Why is a potato classified as a stem? B. What happens to the time period of a simple pendulum if its length is doubled? C. What are the differences between the stem of a rose plant and a tulsi plant? D. What would happen if all the petroleum reserves on Earth were exhausted?

A teacher notices during a lesson on force and motion that some students are confused. She conducts a short test in the middle of the lesson to identify misconceptions and adjusts her teaching approach based on the results. What kind of assessment is the teacher conducting?

In a school project work, such as one on 'Water Conservation' where students design models, present findings, and submit detailed reports, assessment can be done through: