MCQ
An organized and differentiated cellular structure having cytoplasm but no nucleus is:
- AVessels.
- BXylem parenchyma.
- ✓Sieve tubes.
- DTracheid.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| 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.
$(a)- (b) -(c)- (d)$
$(a)$ Complete disintegration of the nuclear envelope marks the start of the second phase of mitosis.
$(b)$ Metaphase chromosome is made up of one sister chromatid.