MCQ
The Adenosine deaminase deficiency results into:
- ✓Dysfunction of Immune system
- BParkinson's disease
- CDigestive disorder
- DAddison's disease
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| List $- I$ | List $- II$ |
| $(a)$ Protein | $(i)$ $C = C$ double bonds |
| $(b)$ Unsaturated fatty acid | $(ii)$ Phosphodiester bonds |
| $(c)$ Nucleic acid | $(iii)$ Glycosidic bonds |
| $(d)$ Polysaccharide | $(iv)$ Peptide bonds |
Choose the correct answer from the options given below.
$(a)- (b) -(c)- (d)$
| List-I | List-II |
| (a) ETS complex-I | (i) $Cyt bc _1$ |
| (b) ETS complex-II | (ii) Cyt a, a ${ }_3$ and 2 copper centres |
| (c) ETS complex III | (iii) NADH dehydrogenase |
| (d) ETS complex-IV | (iv) Ubiquinone and $FADH _2$ |

$I.$ improved varieties of the crops
$II.$ Agro-chemicals
$III.$ Better management practices
Choose the correct option.
$R$ : Pyramids actually does not explain the role of organisms working at more than one trophic levels.