MCQ
Transcription is
- ✓Formation of $RNA$ from $DNA$
- BFormation of $DNA$ from $RNA$
- CFormation of protein
- DTransfer or $RNA$
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$(i)$ Each step or rank in hierarchy is called taxonomic category.
$(ii)$ Species is a group of individual organisms with fundamental similarities capable of breeding among themselves.
$(iii)$ Taxonomic studies of all unknown organisms have led to the development of common categories like kingdom, phylum or division, class, order, family, genus and species.
$(iv)$ Lower the category, greater is the difficulty of determining the relationship to other taxa at the same level.
$(i)$ In chlorophyceae, the stored food material is starch and the major pigments are chlorophyll $-a$ and $d$.
$(ii)$ In phaeophyceae, laminarian is the stored food and major pigments are chlorophyll $-a$ and $b$.
$(iii)$ In rhodophyceae, floridean starch is the stored food and the major pigments are chlorophyll $-a, d$ and phycoerythrin