MCQ
$RNA$ contains
- ARibose sugar and thymine
- ✓Ribose sugar and uracil
- CDeoxyribose sugar and uracil
- DDeoxyribose sugar and thymine
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$(i)$ They are named because of their special function of linking and supporting other tissues/organs of the body.
$(ii)$ They include cartilage, bone, adipose and blood.
$(iii)$ They provide strength, elasticity and flexibility to the tissue.
$(iv)$ They also secrete modified polysaccharides, which accumulate between cells and fibres and act as matrix.
| Column-$I$ | Column-$II$ |
| $A$. Tonoplast | $I$. Contain digestive enzyme |
| $B$. Contractile vacuole | $II$. Store metabolic gases |
| $C$. Food vacuole | $III$. Excretion |
| $D$. Air vacuole | $IV$. Transport of ions in plants |