MCQ
In haplontic life cycle, the dominant generation is
- ASporophyte
- ✓Gametophyte
- CBoth $(a)$ and $(b)$
- DNone of the above
$(i)$ Most fungi $(ii)$ Some green algae, e.g., Chlamydomonas $(iii)$ Many Protozoa, e.g., Plasmodium
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| Column $I$ | Column $II$ |
| $A$. Centrioles |
$I$. Non-membrane bound organelle Which helps in cell division |
| $B$. Fimbriae |
$II$. Special structure of bacteria which help them to attach with rocks in |
| $C$. Endomembrane |
$III$. Includes those organelles system whose functions are coordinated |
| $D$. Mitochondria |
$IV$. Divide by fission and site of aerobic respiration |
$(i)$ Plant cells have centrioles which are absent in almost all animal cells.
$(ii)$ Ribosomes are the site of protein synthesis.
$(iii)$ The middle lamella is a layer mainly of calcium carbonate which holds the different neighbouring cells together.
$(iv)$ In animal cell, steroidal hormones are synthesized by smooth endoplasmic reticulum.
Of the above statements