MCQ
ATP is ‾‾‾‾‾‾‾‾‾‾‾‾
- ANuleosome
- BNucleotide
- CPurine base
- DNucleoside
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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 $II$ | ||
| $A.$ | Porifera | $i.$ | Canal system |
| $B.$ | Aschelminthes | $ii.$ | Water$-$vascular system |
| $C.$ | Annelida | $iii.$ | Muscular pharynx |
| $D.$ | Arthropoda | $iv.$ | Jointed appendages |
| $E.$ | Echinodermata | $v.$ | Metameres |