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Plant physiology questions.

Plant physiology questions.

Find Plant physiology university examination questions in acaproso.com

# Question
1

Define the following terms

  1. Plasmolysis
  2. Glycolysis
  3. Photolysis
  4. Nitrogen assimilation
  5. Nitrogen fixation

Short answers
2
  1. Describe the functions of water in plant life.
  2. Discuss how water is raised to great plants heights
  3. How is water distributed in plants?

Long answers
3

A pot plant was watered and the pot enclosed in a plastic bag and securely tied around the base of the stem. The plant was weighed at 9.00am and 3.00pm. During this time, it lost 32 grams in weight. From these results;

  1. What was the rate of transpiration?
  2. Explain why this calculated rate might be inaccurate in
  1. Daylight
  2. Darkness

Short answers
4

Write short notes on the following

  1. Water potential in plants
  2. Factors determining mineral deficiency symptoms in plants
  3. Dark respiration and photorespiration
  4. Biological nitrogen fixation

Short answers
5

With an aid of a labeled diagram , explain the structure of root hair.


Short answers
6

Give reasons as to why for spontaneous processes, Delta G is usually negative at constant temperature and pressure.


Short answers
7

With examples, explain spontaneous processes and indicate how living systems have managed to undertake non spontaneous physiological process.


Short answers
8

Differentiate two types of reversible inhibition with respect to their efficiency and speed of action.


Short answers
9

Describe the role of the following processes on seed germination

  1. Imbibition
  2. Metabolism
  3. Radical and plumule emergence

Short answers
10

Discuss the factors affecting seed germination under field conditions.


Long answers