MCQ
A nucleoside differs from a nucleotide in not having
- ✓Phosphate
- BSugar
- CPhosphate and sugar
- DNitrogen base
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Assertion $A$ : The first stage of gametophyte in the life cycle of moss is protonema stage.
Reason $R$: Protonema develops directly from spores produced in capsule.
In the light of the above statements, choose the most appropriate answer from options given below:
| Column $- I$ | Column $- II$ |
| $(1)$ Psilopsida | A. Sellaginella |
| $(2)$ Lycopsida | $(B)$ Adiantum |
| $(3)$ Sphenopsida | $(C)$ Equisetum |
| $(4)$ Pteropsida | $(D)$ Psilotum |

Which of the above mentioned PGR are acidic in nature? Choose the correct option accordingly
