KERALA UNIVERSITY Ph.D. ENTRANCE EXAMINATION – 2013
FACULTY OF SCIENCES
Time: 140 Minutes Maximum Marks: 160
Note: Answer any twelve questions from Section B and one question from Section C in the subject concerned. In Section B, each question carries 10 marks. Section C carries 40 marks. In Section B an answer should not exceed 100 words. In Section C, an answer should not exceed 500 words.
SECTION – B
(1). Explain the impact of global warming on agricultural productivity.
(2). C4 plants are considered as highly productive. Discuss this statement with suitable examples.
(3). Describe various types of incompatibility and the methods to overcome this.
(4). Describe the basic principles of tissue culture and explain various media used for tissue culture.
(5). How would you link plant breeding with the modern concepts in plant biotechnology?