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Topic: Plant tissues and anatomy of root, stem, leaf· Structural Organisation in Animals and Plants

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 vascula…

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 :

1. (a), (c), (d) and (e) Only

2. (a), (b) and (d) Only

3. (b), (c), (d) and (e) Only

4. (a), (b), (c) and (d) Only

1 answer

Best answer

Answer: 3. (b), (c), (d) and (e) Only

Check each statement against NCERT; the key says statement (a) does not hold, so the answer is (b), (c), (d), (e).

  • (a) In a root, xylem and phloem are not together inside one bundle; they form separate bundles on alternate radii (radial arrangement). The phrase "in a vascular bundle" makes this statement wrong.
  • (b) Conjoint closed bundles have no cambium: true.
  • (c) Open bundles have cambium between xylem and phloem: true.
  • (d) Dicot stem bundles have endarch protoxylem: true.
  • (e) Monocot roots are polyarch, with usually more than six xylem bundles: true.

So (b), (c), (d) and (e) only: option 3.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report
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