MCQ
In sclerenchymatous cells, the lignin deposition
- AIs sometimes absent
- ✓Begin from primary to secondary walls
- CBegin from secondary to primary
- DIs confined to middle lamella
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| List $I$ | List $II$ |
| $A$. $P$-wave | $I$. Beginning of systole |
| $B$. $Q$-wave | $II$. Repolarisation of ventricles |
| $C$. $QRS$ complex | $III$. Depolarisation of atria |
| $D$. $T$-wave | $IV$. Depolarisation of ventricles |
Choose the correct answer from the options given below :
| $(A)$ Glycolysis | $(a)$ Mitochondria |
| $(B)$ Kreb's cycle | $(b)$ Cytoplasmic matrix |
| $(C)$ Electron transport chain |
| Column $- I$ (Organism) |
Column $-II$ (Excretory |
||
| $A$ | Cockroach | $I$ | Nephridia |
| $B$ | Cat fish | $II$ | Malpighian tubules |
| $C$ | Earthworm | $III$ | Kidneys |
| $D$ | Balanoglossus | $IV$ | Flame cells |
| $E$ | Flatworm | $V$ | Proboscis gland |
$R-$ Oxidation of $NADPH_2$ occurs in $F_1$