MCQ
Trygon has
- Atwo chambered heart
- Bthe males have claspers
- Cpresence of placoid scales
- ✓All of the above
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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.