Multiple choice

Which of the following is/are wrong? (a) Stem, root and leaf has three tissue systems (b) Each vascular bundle consists of phloem lying towards the upper epidermis and xylem towards the lower epidermis (c) Dicot leaves are dorsiventral (d) Epidermis consists of a single layer of closely packed cells with cuticles

  1. (a) only

  2. (b) only

  3. (b) and (c) only

  4. (c) and (d) only
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Statement (b) is wrong because the arrangement of phloem toward upper epidermis and xylem toward lower epidermis applies only to leaves, not all vascular bundles universally. In stems, xylem is typically toward the center. Statement (a) is correct, (c) is correct, and (d) is correct.

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