MCQ
An ecosystem contains
- AGreen plants and animals
- BGreen plants and decomposers
- ✓Green plants, animals, decomposers and abiotic environment
- DProducers and consumers
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$\begin{array}{|l|l|} \hline Column-I & Column-II \\ \hline 1.\,\,Phaeophyceae & A.\,\,Chara \\ \hline 2.\,\,Chlorophyceae & B.\,\,Wolffia \\ \hline 3.\,\,Rhodophyceae & C.\,\,Porphyra \\ \hline 4.\,\,Angiosperms & D.\,\,Ectocarpus \\ \hline \end{array}$
$II.$ The bacteria should be made competent to accept the $DNA$ molecule
The correct option regarding the above statements is
$R$ : In protein, only right handed helices are observed.