MCQ
L-shaped chromosomes are called:
- ASex chromosomes
- BAcrocentric
- CTelocentric
- ✓Sub-metacentric
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$R $- If a fruit is formed without fertilization of the t ovary, it is called a parthenocarpic fruit
$(i)$ Provides shape to the cell.
$(ii)$ Protects the cell from mechanical damage and infection.
$(iii)$ Helps in cell to cell interaction.
$(iv)$ Provides barrier to undesirable macromolecules.