MCQ
Select the incorrectly matched pair from following
- AOstcocytes - Bone cells
- ✓Chondrocytes - Smooth muscle cells
- CNeurons - Nerve cells
- DFibroblast - Areolar tissue
Chondrocytes are enclosed in small cavities within the matrix secreted by them.
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$R -$ Cross bridge is formed only in presence of $ATP,$ while breaking of cross bridge is in absence of $ATP.$
| 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 $-II$ |
| $(A)$ Grana of chloroplast | $(1)$ Kreb's cycle |
| $(B)$ Stroma of chloroplast | $(2)$ Light reaction |
| $(C)$ Cytoplasm | $(3)$ Dark reaction |
| $(D)$ Mitochondrial matrix | $(4)$ Glycolysis |
$I$. reptiles $II$, amphibians
$III$. birds $IV$. mammals
The correct option with appropriate choices is