a) Parenchyma - i) thin walled packing cells

Parenchyma cells have thin primary walls that remain alive on maturity. They are found in soft parts of the plant.

b) Photosynthesis - ii) Carbon fixation

In photosynthesis, Plants take up CO₂ from the atmosphere and in turn produce oxygen and food in the form of carbohydrates which have carbon in them, thus fixing the carbon that they took from the atmosphere.

c) Aerenchyma - iv) Buoyancy

Aerenchyma is a type of parenchyma which has large air cavities in them. The presence of these large air cavities gives buoyancy to the plant.

d) Collenchyma - iii) Localized thickening

Collenchyma cells have cellulose deposited at their corners i.e. localized thickening at corners.

e) Permanent tissue - v) Sclerenchyma

Sclerenchyma is a type of permanent tissue. Sclerenchyma are formed from cells that have thickened and lignified walls. They provide strength to a plant.