MCQ
Cells in which end walls are absent are:
- AParenchyma
- BSclerenchyma
- ✓Vessels
- DSieve tubes
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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.
$(a)- (b) -(c)- (d)$
| $List-I$ | $List - II$ |
| $(a)$ Spirogyra | $(i)$ Dominant diploid sporophyte vascular plant, with highly reduced male or female gametophyte |
| $(b)$ Fern | $(ii)$ Dominant haploid free-living gametophyte |
| $(c)$ Funaria | $(iii)$ Dominant diploid sporophyte alternating with reduced gametophyte called prothallus |
| $(d)$ Cycas | $(iv)$ Dominant haploid leafy gametophyte alternating with partially dependent |
Choose the correct answer from the options given below: