2nd Periodical Test
Name: Yr& Section: Date: Score:
Choose the letter that corresponds to the best answer and write it on the space provided.
______1. What appropriate hypothesis can be generated from the research study with a title: Effect of beer on the growth of Orchids.
A. There is no significant difference on the growth (in terms of its stems’ diameter,cm) of orchids treated with beer on a varied concentration.
B. There is no significant difference on the growth of orchids when treated with beer.
C. There is no significant difference on the growth of orchids when treated with different brands of beer.
D. There is no significant difference on the growth ( in terms of height ,cm) of orchids when treated with different brands of beer.
______2. Directional hypothesis likes to measure ______ while non-directional measures only the ______.
A. Positive effect of 2 variables; existence of the relationships between two variables.
B. Negative effect of 2 variables; existence of the relationships between two variables.
C. Both A & B D. none of these
______3. Directional is_____ tailed test. A. one B. two C. three D. four
Choices for numbers 4-6 A. null B. alternative C. cause and effect
______4. There is no significant difference between the effects of horse manure and urea on the
Average height of plant.
______5. There is significant difference between the effects of horse manure and urea on the
Average height of plant.
______6. If there is a significant difference between the effects of horse manure and urea, then the growth of the plants will differ significantly in terms of Average height of plant.
______7. The review of related study is proven information in terms of internal validity while related study is proven in _____validity. A. internal B. External C. both D. none of these
______8. Which guideline of related literature is followed from the excerpt of a study entitled Pectinase-Enhanced Production of Essential Oil from Lemongrass (Cymbopogon citrates) stated below:
“Pectic enzymes, which degrade pectic substance, are of major importance, industry to facilitate extraction and clarification of Juice (Fogart & Kelly, 1983; Whitaker, 1984)” A. accepted facts only must be cited B. correct record of reference C. description of similarities D. description of differences
______9. What is the main purpose of the review of related literature in your research project? A. to organize science concepts B. to gather data C. to prove the hypothesis D. to recognize persons of its contribution to the success of your project
______10. Review of Related Literatures and studies help you in many ways EXCEPT A. identify gaps B. discover or improve a procedure and techniques in the past study C. avoid unintentional replication D. treat the hypothesis
______11. It refers to observable characteristic or phenomena of a person or object A. control B. variable C. experimental D. constant
______12. Which is NOT TRUE about research design? A. Make the statistical test valid B. facilitate hypothesis acceptance C. provides direction during the actual conduct of the research project D. gain of maximum information relevant to the problem at minimum cost
______13. Replication is a test of A. internal validity B. external validity C. both D. none of these
______14. Which principle is not needed in experimental design? A. replication B. randomization C. Local control D. none of these
Use these choices A. zone of inhibition (area of no detectable bacterial growth) B. Agar mixture (medium of culturing bacteria) C. water D. alcohol E. varied concentration of extracts and the title of the study: “Antibacterial Effect of Oak Leaf Fern (Drynaria quercifolia (linn.) J. Sm) Extracts” to answer numbers 9-13.
______15. Dependent variable
______16. Independent variable
______18. Positive Control
______19. Negative Control
______20. Which set-up is correct on the study of Brine Shrimp Assay of extracts at different concentrations?
A. Experimental-extracts; control-salt water
B. Experimental-Salt water; Control-extracts
C. Experimental-brine shrimps; Control-extracts 25, 50, 75%
D. Experimental- Extracts 25, 50, 75%; control-sea water
______21. Lottery is what type of random sampling A. simple B. cluster C. systematic D. stratified
______22. In dealing with the responses among groups, which random sampling is applicable? (Use # 15 choices)
______23. In the hypothesis: There is no significant difference between the 5 different mixtures in terms of water absorption, which research design is appropriate? A. CRD B. RCBD C. a combination of CRD and RCBD D. can’t tell because information is lacking
______24. In the study of 5 different fertilizers treated 3 times in the partitioned field, which research design should be used? A. CRD B. RCBD C. a combination of CRD and RCBD D. can’t tell because information is lacking
______25. METHODOLOGY as chapter title should be at the ___ of the page. A. top center B. top left C. top right D. indention
______26. The order of the procedure should be written according to A. degree of importance B. the actual conduct of the experiment C. your convenience D. Availability of resources
______27. Materials and chemicals used in the study should be indicated with enough information such as A. quantity B. quality C. amount with units of measurement D. amount and radius
______28. Which is not correct organization, style and format of a methodology? A. Abbreviation are never used on first citations. B. passive voice is generally used C. sentences that start with number are highly recommended
E. standard analysis are not described in detail and same with the procedure modified in the study
______29. Instrumental technique is ______ with precision. A. a used of an appropriate gadget B. testing the main problem of the study C. a proven the literature D. cited resources
______30. What appropriate instrumental technique is followed when determining the mass of the crude extract? A. clean the pan of the weighing scale
B. weigh the pan of the weighing scale before and after putting the crude extract
C. weighing scale should be set zero before weighing D. all of these
______31. In what way will data be collected if the nature of the study is qualitative A. Survey B. Interview C. Questionnaire D. a, b, c E. Instrumental techniques
______32. Data for quantitative studies may be collected in a form of A. Survey B. Interview C. Questionnaire D. a, b, & c E. instrumental techniques.
______33. What is the pattern between concentration (from 20, 40, 60) & growth of inhibition of 2, 4, 6 centimeters consecutively? A. constant B. inversely proportional C. directly proportional D. no pattern
Use these choices A. quantitative B. qualitative C. ordinal D. interval to answer numbers 28-31.
______34. Heights in centimeters
______35. Masses in milligrams
______36. Masses in milligrams
______37. Color of the dye
Identify the measurement scale and use these choices to answer 32-35. A. nominal B. ordinal C. Interval D. ratio
______38. Test results (pass/fail)
______39. Water bill consumption
______40. Temperature in Kelvin
______41. Party Affiliation as 1- Partido 2- Lakas
______42. Which is correct? A. tabulate data whenever possible B. raw data should be presented in Chapter V C. Summarize the result through the combination of graphs, tables, and texts. D. Data that can be presented even in a few sentences should be presented in a tabular form.
What appropriate central tendency is used in the following data.
Use the choices A. mean B. median C. mode D. range
______43. 2, 0, 50, 45