Biology · Science General

Botany and Plant Science

4,989 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 statements is/are false?

a. Flowers that contain only one sex organ are called unisexual flowers. b. A new seed of a plant is formed when the male gamete present in a pollen grain unites with a female gamete present in the ovule. c. Each ovule contains many female gametes of a plant.

  1. Only a

  2. Both a and b

  3. Only b

  4. Only c

  5. Both b and c
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is a wrong option.This is the correct option as this statement is false.  This is a wrong option.

Multiple choice

Match the following ||| |---|---| |a. Epidermis|1. It is the layer of cells around the vascular tissues in the roots. | |b. Root xylem|2. It is the outer layer of cells in the roots. | |c. Endodermis|3. It is the xylem tissue present in the roots.|

  1. a - 2, b - 1, c - 3

  2. a - 1, b - 2, c - 3

  3. a - 3, b - 2, c - 1

  4. a - 1, b - 3, c - 2

  5. a - 2, b - 3, c - 1
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct option. Epidermis is the outer layer of cells in the roots. Xylem is a plant tissue that conducts water and mineral salts from the roots to all other parts. Endodermis is the layer of cells around the vascular tissues in the roots. Epidermis is the outer layer of cells in the roots. Xylem is a plant tissue that conducts water and mineral salts from the roots to all other parts. Endodermis is the layer of cells around the vascular tissues in the roots.

Multiple choice

Where are radial vascular bundles found?

  1. Leaf

  2. Stem

  3. Flower

  4. Root
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Radial vascular bundles are found in dicot and monocot roots. This is the most primitive type of vascular bundle. In radial vascular bundles, xylem and phloem lie on separate radii.

Multiple choice

Which of the following is the living component of xylem?

  1. Xylem fibers

  2. Xylem tracheids

  3. Xylem tracheae

  4. Xylem parenchyma
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Xylem parenchyma is the only living component of xylem tissue. It is represented by groups of parenchyma cells that are found in between the vessels and the fibers. They are meant for storage of reserve food.

Multiple choice

Plate-like regions of xylem tissue appear in

  1. haplostele

  2. actinostele

  3. plectostele

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

Plectostele is a protostele in which plate-like regions of xylem appear in transverse section surrounded by phloem tissue.