List-I (Types of adaptation) | List-II (Examples) | ||
1 | Biochemical adaptation | p | Desert lizards |
2 | Behavioural adaptation | q | Deep sea fishes |
3 | Physiological adaptation | r | Opuntia |
4 | Morphological adaptation | s | Kangaroo rats |
If the value of \( \cos \alpha \) is \( \frac{\sqrt{3}}{2} \), then \( A + A = I \), where \[ A = \begin{bmatrix} \sin\alpha & -\cos\alpha \\ \cos\alpha & \sin\alpha \end{bmatrix}. \]