(Pages 1376
P.T.O.
MAR IVANIOS COLLEGE (AUTONOMOUS)
THIRUVANANTHAPURAM
Reg. No. :.………………… Name .…………………
Second Semester B.Sc. Degree Examination, June 2016
First Degree Programme under CBCSS
Foundation Course II: (for Botany)
AUBO221: Methodology and Perspectives in Plant Sciences
Time: 3 Hours Max. Marks: 80
SECTION A
Answer ALL questions in one or two sentences.
1. Histogram.
2. Precision.
3. Null hypothesis.
4. INFLIBNET.
5. Error.
6. Optical density.
7. Pseudoscience.
8. Corroboration.
9. Empiricism.
10. Camara lucida.
(10 × 1 10 Marks)
SECTION B
Answer any EIGHT questions, each in a short paragraph not exceeding 50 words.
11. Give an account on importance of transparency and honesty in science.
12. What are buffers Mention their importance.
13. What is a mounting media Give name of a hydrophobic mounting media.
14. Explain digital sources of scientific information.
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15. What is alternative hypothesis
16. Write about sampling techniques.
17. Explain cryobiology.
18. Explain dangers in pre conceived ideas.
19. Write a note on different types of centrifuges.
20. Explain importance and uses of microtomes.
21. Give an account of scientific laws.
22. Write a short note on maceration.
× 2 16 Marks)
SECTION C
Short essay type Answer any SIX questions.
23. Mention the significance of fixing in specimen preparation. Give the composition of three common fixatives.
24. Explain test of significance with reference to Chi square test.
25. Give an account of different types of Knowledge.
26. Describe functioning of pH meter.
27. Give an account of ocular and stage micrometer.
28. Write about methods for presentation of data.
29. Explain principle and application of electrophoresis.
30. Explain mean deviation, variance, standard deviation and coefficient of variation.
31. Give a note on electron microscope.
× 4 24 Marks)
SECTION D
Long essay type Answer any TWO questions.
32. Explain different types of data and methods of data collection.
33. Outline Revolution in science and technology.
34. Describe measures of central tendencies.
35. Explain major steps involved in preparation of specimen for microscopy.
× 15 30 Marks)