Transport in Plants Practice Question 2

Examine Fig. 1A and Fig. 1B and answer the following questions.
(a) Fig. 1A represents the internal structure of a _____.

(b) Fig. 1B represents the internal structure of a _____.

(c) Name the following tissues labelled 1, 2, 4, 5, 6, 7, 8, 9, 10, 11.

(d) Which of the tissues 4, 5, 6, 7 would become radio-active first, after the leaves of the plant have been exposed to radio-active carbon dioxide during the daylight?

(e) A tissue composed of actively dividing cells is labelled ____.

(f) The section of root, if stained with iodine, would show a blue-black colour most strongly in the cells of the region labelled ____.

Answers
(a) Dicotyledonous stem (b) Dicotyledonous root

(c) 1: Epidermis, 2: Cortex, 4: Xylem, 5: Cambium, 6: Phloem, 7: Phloem fibers (not in syllabus), 8: Endodermis, 9: Phloem, 10:Xylem, 11: Cortex

(d) 6 (not 9, as question asks for which one changes FIRST)

(e) 5 (f) 11 (not 2 as question mentions it is in the ROOT)