Read the following statements about the vascular bundles:(a) In roots, xylem and phloem in a vascular bundle are arranged in an alternate manner along the different radii.(b) Conjoint closed vascular bundles do not possess cambium.(c) In open vascular bundles, cambium is present in between xylem and phloem.(d) The vascular bundles of dicotyledonous stem possess endarch protoxylem.(e) In monocotyledonous root, usually there are more than six xylem bundles present.Choose the correct answer from the options given below:
- A(a), (b) and (d) only
- B(b), (c), (d) and (e) only
- C(a), (b), (c) and (d) only
- D(a), (c), (d) and (e) only
Solution & Step-by-step Explanation
Shutterstock(a) is correct: This is the Radial arrangement found in roots.(b) is correct: "Closed" means lack of cambium (found in monocots).(c) is correct: "Open" means cambium is present (found in dicots).(d) is correct: In stems, protoxylem is towards the center (Endarch).(e) is correct: Monocot roots show Polyarch condition (usually bundles).Since all statements are correct, the standard options usually provide a subset. Based on standard answer keys for this set: All are correct.