MCQ
Non-membranous cell organelles are
- AMitochondria
- BEndoplasmic reticulum
- CRibosomes
- ✓Ribosomes and centrioles
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$I.$ Stretch receptors on the wall of urinary bladder send signal to the $CNS$
$II.$ The bladder fills with urine and becomes distended
$III.$ Micturition
$IV.$ $CNS$ passes on motor messenger to initiate the contraction smooth muscles of bladder and simultaneous relaxation of urethral sphincter
The correct order of steps for urination is
| Column-$I$ | Column-$II$ |
| $A$. Bacteria without walls | $I$. Lysosome |
| $B$. Small circular DNA | $II$. Mycoplasma cells |
| $C$. Flattened sacs in | $III$. Thylakoid a chloroplast |
| $D$. A vesicle in which |
$IV$. Plasmid hydrolytic enzymes are stored |