Biology ยท Science General

Botany and Plant Science

5,038 Questions

Botany and plant science delve into the biological study of plant life, covering structural anatomy, physiological processes, and reproductive mechanisms. Key topics include inflorescence patterns, root modifications, and seed development, which are vital for biology sections in medical entrance exams. This collection of practice questions helps solidify understanding of complex plant functions.

Plant ReproductionPlant AnatomyRoot ModificationsInflorescence PatternsPlant Morphology

Botany and Plant Science Questions

Multiple choice

Which of the following sentences about a pea leaf is/are true?

  1. Protoxylem is indistinguishable.

  2. Stomata have kidney-shaped guard cells.

  3. Bundle sheath is formed of colourless cells.

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Protoxylem is indistinguishable, stomata have kidney-shaped guard cells and bundle sheath is formed of colourless cells in a pea leaf.

Multiple choice

Which of the following is/are absent in monocot roots?

  1. Barrel-shaped cells

  2. Unicellular root hairs

  3. Phloem parenchyma

  4. Exarch xylem
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Phloem parenchyma is absent in monocot roots. Phloem of the monocot roots consists of only companion cells and sieve tubes.

Multiple choice

Cambium strip is found

  1. between xylem and phloem of sunflower stem

  2. between xylem and phloem of maize stem

  3. below the epidermis of sunflower stem

  4. between xylem and phloem of monocot root
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Cambium strip is found between xylem and phloem of sunflower stem.

Multiple choice

The type of vascular bundles in root are

  1. collateral

  2. bicollateral

  3. radial

  4. conjoint
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Vascular bundles are radial in the root, i.e. xylem and phloem are alternately arranged on different radii.