MCQ
Collenchyma differs from sclerenchyma
- ARetaining protoplasm at maturity
- BHaving thick walls
- CHaving wide lumen
- DBeing meristematic
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| Column $-I$ (Classes) |
Column $-II$ (Examples) |
||
| $A$ | Psilotopsida | $I$ | Dryopteris, Pteris, Adiantum |
| $B$ | Lycopsida | $II$ | Equisetum |
| $C$ | Sphenopsida | $III$ | Selaginella |
| $D$ | Pteropsida | $IV$ | Lycopodium |
| $V$ | Psilotum |
| Column $I$ | Column $II$ |
| $A .$ Hinge | $1.$ Atlas and axis |
| $B.$ Saddle | $2 .$ Frontal and parietal |
| $C .$ Pivot | $3 .$ Carpal and metacarpal of humans |
| $D .$ Ball and socket | $4 .$ Knee |
| $5 .$ Humerus and pectoral girdle |
Codes
$A \quad B \quad C \quad D$