Get premium membership and access revision papers, questions with answers as well as video lessons.

Sbt2253:Plant And Crop Physiology Question Paper

Sbt2253:Plant And Crop Physiology

Course:Bachelor Of Crop Protection

Institution: Meru University Of Science And Technology question papers

Exam Year:2012

QUESTION ONE – 30 MARKS
(a) Define the following terms in relation to plant physiology. (5Marks) (i) Environment (ii) Threshold (iii) Scarification (iv) Permanent wilting potential (PWP) (v) Metabolism (b) What are the characteristics of essential elements? (3Marks) (c) Discuss the mechanisms of enzyme activity. (4Marks) (d) Distinguish between the following: (10Marks) (i) Anabolism and catabolism (ii) Competitive inhibition and uncompetitive inhibition (e) State the function of nitrogen in plants (6Marks) (f) Name the principle types of biological molecules (2Marks)
QUESTION TWO – 20 MARKS
(a) Discuss 5 hormones and their application in agriculture. (10Marks) (b) Discuss theories that explain how water is transpired and absorbed in plants. (10Marks)
2
QUESTION THREE – 20 MARKS
(a) Explain the kinds of plant responses to the environment. (10Marks) (b) Discuss xerophytes and their adaptation to their habitats. (10Marks)
QUESTION FOUR – 20 MARKS
(a) Discuss germination and its requirements. (10Marks) (b) Explain 5 classes of seed dormancy (10Marks)
QUESTION FIVE – 20 MARKS
(a) Discuss the structure and functions of different parts of a cell. (10Marks) (b) Discuss Photosynthesis. (10Marks)

Sbt2253:Plant And Crop Physiology Question Paper

More Question Papers

Popular Exams