Biology · 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

The area of the plant which receives the stimulus is known as

  1. receptive region

  2. reactive region

  3. perceptive region

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

In plant physiology, the perceptive region is the specific area of the plant that receives and detects a stimulus. This is distinct from the reactive region where the response occurs. For example, in phototropism, the perceptive region is the shoot tip where light is detected.

Multiple choice

Which of the following is not involved in the fertilization of fern?

  1. Oogamy

  2. Pollen tube

  3. Archegonium

  4. Cillum

  5. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Pollen tube is not involved in the fertilization of fern. Pollen tube is a hollow tube which develops from a pollen grain when deposited on the stigma of a flower. It penetrates the style and conveys the male gametes to the ovule.

Multiple choice

Spore of fern gives rise to a

  1. gametophyte

  2. sporophyte

  3. heteroecious thallus

  4. heterotrichous

  5. both sporophyte and gametophyte
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Spore of fern gives rise to a gametophyte.