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$(i)$ They are commonly known as imperfect fungi because only the asexual or vegetative phases of these fungi are known.
$(ii)$ They grow in soil, on logs and tree stumps and
$(iii)$ Live inside plant bodies as parasites, e.g., rusts and smuts
$(iv)$ Some common members are Agaricus, Ustilago and Puccinia.
| Column $-I$ | Column $-II$ |
| $(A)$ Pachytene | $(i)$ Pairing of homologous chromosomes |
| $(B)$ Metaphase$-I$ | $(ii)$ Terminalisation ofchiasmata |
| $(C)$ Diakinesis | $(iii)$ Crossing-over takes place |
| $(D)$ Zygotene | $(iv)$ Chromosomes align at equatorial plate |
$II.$ Tracheids/vessels elements are larger during periods when water is abundant
$III.$ Tracheids/vessels elements have thicker wall during periods of water deprivation
$IV.$ Wood formed in the previous years is darker than newer wood
Select the combination of correct statements from the options given below