MCQ
In five kingdom system, the main basis of classification is
- ✓Nutrition
- BNucleus structure
- CCell wall structure
- DAsexual reproduction
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$I.$ Primary and secondary phloem gets crushed during secondary growth
$II.$ During secondary growth, primary xylem remains more or less intact
| 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.
$(a)- (b) -(c)- (d)$
Reason : Essential amino acids can not be synthesized in the human body