In each of these questions, a paragraph is given that has blank in it. Five sentences (1), (2), (3), (4) and (5) are suggested. Out of these, only one fits the blank in the context of the paragraph. Pick that sentence as the answer.

A recent study has found a new triggering mechanism for programmed cell death. …………………………………………………. . The study has found that a particular type of imperfection in the alignment of the cells appears to be correlated with the position of the cell destined to die. The results of the collaborative study was published in Nature.

A Cells in the epithelial layer usually are arranged neatly and regularly. Correct Answer Incorrect Answer
B Among the different types of defect, there is one where the tilt of the axes varies gradually. Correct Answer Incorrect Answer
C Unlike earlier known trigger mechanisms that involve chemicals being released by the cell destined for death, this is a physical mechanism. Correct Answer Incorrect Answer
D The cell destined to die lies close to the head of the comet-shaped defect and is eventually pushed out of the layer of cells and apoptosis takes place. Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer


The passage talks about a recent study that has found a new triggering mechanism for programmed cell death. Option c goes on the explain the difference between the earlier know trigger mechanism and the new mechanism. Other options do not fit the context.