MCQ
Algae have cell wall made up of:
- ACellulose, hemicellulose and pectins.
- BPectins, cellulose and proteins.
- CHemicellulose, pectins and proteins.
- ✓Cellulose, galactans and mannans.
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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 :
$(a)$ It help overcome the apical dominance
$(b)$ Delay senescence, Thus the fruits can be left on the tree longer so as
$(c)$ Increase in length of axis
$(d)$ It is used to speed up the maltingprocess in brewing industries
$(e)$ It induces parthenocarpy
$(f)$ Promotes female flowers in cucumbers