Kerala PSC Botany Lecturer / Assistant Professor Original Solved Question Paper: 2003 Exam
(Question Paper Code: 250/2003)
Original solved question paper of Kerala PSC Botany Lecturer/Assistant Professor examination conducted by Kerala PSC (Kerala Public Service Commission) for the recruitment / appointment of Botany Lecturer/Assistant Professor in Government Colleges of Kerala under the Directorate of Collegiate Education, Trivandrum, Kerala. The test was conducted in the year 2003 and the Question Paper Code Number is 250/2003. All questions were in MCQ (Multiple Choice Questions) format. A detailed answer key with explanations is given at end of each set.
Part – 2/5 (Questions 21 – 40)
21. Pro-phage is:
a. DNA incorporated with the host DNA
b. DNA or RNA in the early stages of infection
c. DNA of bacterial cell before viral infection
d. DNA present is only an incomplete fragment
22. ‘Bars of Sanio’ are the crescent shaped bars of cellulose present:
a. Near the pits on tracheids of Gymnosperm wood
b. On the secondary wood of Angiosperms
c. On the tracheids of Pteridophytes
d. On the extensive periderm of Cycas wood
23. Bryophytes exhibit alternation of generation:
a. Homomorphic
b. Heteromorphic
c. Isomorphic
d. No definite change in life cycle
24. DNA sequences that suppress promoter activity are called:
a. Enhancers
b. Reporters
c. Responsive elements
d. Silencers
25. Synthetic seeds are produced by:
a. Encapsulation of somatic embryo with matrix for storing
b. Cryopreservation of somatic embryo for long storage
c. Preservation of seeds by covering with organic polymers
d. Encapsulation of normal seed with a resistant matrix
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