Identify the tissue system from the following.

1

(a)

Parenchyma

(b)

Xylem

(c)

Epidermis

(d)

Phloem

What is the function of phloem parenchyma ?

1

(a)

It stores food materials, resins, latex and mucilage.

What is the epidermal cell modification in plants which prevent water loss?

1

(a)

Cuticularised trichoblasts or epidermal hair which produce a stationary layer of air over the surface that reduces isolation and rate of transportation

What constitutes the cambium ring?

1

(a)

Fusion of intervascicular and intrafascicular cambium strips.

The cross section of a plant material showed the following features when viewed under the microscope
(a) Vascular bundles were radially arranged
(b) Four xylem starnds with exarch condition of protoxylem . To which organ should it be assigned?

1

(a)

Dicot root