Define/Explain: Senescence/Ageing.
(N/A) Senescence is the final phase of the life cycle of an organism,occurring between the period of complete maturation and the death of the individual. It is characterized by progressive deterioration in structure and function,commonly referred to as ageing.
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Go through the following pairs and choose the correct pairs from the options given below:
$I$. Nerium Sunken stomata Lower epidermis of leaves to reduce loss of water $II$. Calotropis Non-succulent Root cells with thickened cell walls $III$. Peperomia Leaf succulent Leaf epidermal cell,store water $IV$. Ammophila Dicot Curl their leaves to minimise loss of water $V$. Tribulus Ephemeral Water is stored in stem
| $I$. Nerium | Sunken stomata | Lower epidermis of leaves to reduce loss of water |
| $II$. Calotropis | Non-succulent | Root cells with thickened cell walls |
| $III$. Peperomia | Leaf succulent | Leaf epidermal cell,store water |
| $IV$. Ammophila | Dicot | Curl their leaves to minimise loss of water |
| $V$. Tribulus | Ephemeral | Water is stored in stem |
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