The process of cell death involving DNA cleavage in cells is known as-
(A) necrosis (B) apoptosis
(C) cytokinesis (D) endocytosis

• B
  Apoptosis (/ˌæpəˈtoʊsɪs/;[2][3] from Ancient Greek ἀπό apo, "by, from, of, since, than" and πτῶσις ptōsis, "fall") is the process of programmed cell death (PCD) that may occur in multicellular organisms.[4] Biochemical events lead to characteristic cell changes (morphology) and death. These changes include blebbing, cell shrinkage, nuclear fragmentation, chromatin condensation, chromosomal DNA fragmentation, and global mRNA decay.
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