Anatomy of Flowering Plan question bank (Botany)

The anatomy of spring wood shows some peculiar features. Identify the correct set of statements about spring wood.

(a) It is also called the early wood.

(b) In spring, cambium produces xylem elements with narrow vessels.

(c) It is lighter.

(d) The spring wood along with autumn wood shows alternate concentric rings forming annual rings.

(e) It has a lower density.

Choose the correct answer from the options given below:

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 :