Biology

Plant Transport and Physiology

2,012 Questions

Access a comprehensive set of questions on plant transport mechanisms and physiological adaptations. Topics include water movement, translocation of food, and plant responses to external stimuli. These biology questions are essential for medical entrance exams and other science competitive tests.

Xylem and phloem transportTranspiration and evaporationPlant adaptationsGeotropic and phototropic responsesWater absorption by rootsRespiration in roots

Plant Transport and Physiology Questions

Multiple choice

Plant bleeding refers to

  1. secretion of red liquid from cuts in plant

  2. secretion of watery sap from injured plant

  3. exudation of water in the form of droplets from the margin of leaves

  4. excessive loss of water from the plants leading to water deficit
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Plant bleeding refers to secretion of watery sap from injured plant.

Multiple choice

An increase in root/shoot ratio results in

  1. increase in rate of transpiration.

  2. decrease in rate of transpiration

  3. increase in rate of absorption

  4. increase the rate of photosynthesis
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A high root/shoot ratio increase the rate of transpiration.

Multiple choice

During cell enlargement phase of growth, molecules of new cell wall material are inserted between the original molecules of stretched wall. This process is known as ____________.

  1. integration

  2. nutation

  3. Intus-susception

  4. guttation

  5. hydration
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

During cell enlargement phase of growth, molecules of new cell wall material are inserted between the original molecules of stretched wall. This process is known as intus-susception.