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 does NOT characterise monocots?

  1. Some monocots, such as grass, have hypogeal emergence.

  2. Monocots have atactostele type of vascular tissues.

  3. Many monocots are herbaceous and do not show secondary growth.

  4. Many monocots have leaves with reticulate veins.

  5. The monocots are considered to form a monophyletic group arising early in the history of the flowering plants.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Many monocots also have leaves with parallel veins.

Multiple choice

Which one of the statements Rita wrote on Gymnosperms was wrong?

  1. The ovules in gymnosperms are enclosed by an ovary wall.

  2. Gymnosperms have tap root.

  3. They are heterosporous.

  4. Gymnosperms include medium-sized or tall trees and shrubs.

  5. The stems are unbranched or branched.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Yes, it is the correct answer as this statement is wrong. The ovules in gymnosperms are not enclosed by an ovary wall. The seeds too are not covered, i.e. they are naked.

Multiple choice

Which of the following statements is/are false regarding gymnosperms? (a) Microspores develop into a male gametophytic generation. (b) The large-sized gametophyte is called pollen grain. (c) The female strobili are called megasporangiate. (d) Sporophylls are arranged parallel along an axis.

  1. Only a

  2. Only b

  3. Only a and b

  4. Only c and d

  5. Only b and d
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Yes, it is the correct answer, as both the statements are false. The small-sized gametophyte is called pollen grain. Sporangia are borne on sporophylls, which are arranged spirally along an axis.