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| 01 | 9th Class Biology Mcqs Chapter 01 | 02 | 9th Class Biology Mcqs Chapter 02 |
| 03 | 9th Class Biology Mcqs Chapter 03 | 04 | 9th Class Biology Mcqs Chapter 03 |
| 05 | 9th Class Biology Mcqs Chapter 05 | 06 | 9th Class Biology Mcqs Chapter 06 |
| 07 | 9th Class Biology Mcqs Chapter 07 | 08 | 9th Class Biology Mcqs Chapter 08 |
| 09 | 9th Class Biology Mcqs Chapter 09 | 10 | 9th Class Biology Mcqs Chapter 10 |
| 11 | 9th Class Biology Mcqs Chapter 11 | 12 | 9th Class Biology Mcqs Chapter 12 |
CHAPTER 2
SOLVING A BIOLOGICAL PROBLEMS
Encircle the most appropriate answer from the following options
1. Scientists that use scientific methodologies to form new theories are known as:
(a) Biologist
(b) Chemists
(c) Physicists
(d) All of these
2. The scientific methodology due to which biological problems are solved is called:
(a) Geological problem
(b) Biological method
(c) Non-biological method
(d) All of the above
3. Era of Biological method in scientific research:
(a) 700 years
(b) 500 years
(c) 600 years
(d) 525 years
4. Biological method has been playing a vital role for the last:
(a) 400 years
(b) 500 years
(c) 600 years
(d) 1000 years
5. Biological Method comprises of steps:
(a) 5
(b) 6
(c) 7
(d) 9
6. Galileo performed his experiments in:
(a) 1690’s
(b) 1790’s
(c) 1590’s
(d) 1650’s
7. The problem associated with living organisms:
(a) Chemical
(b) Geological
(c) Biological
(d) Physical
8. Quantitative observations are considered:
(a) Less accurate
(b) Invariable
(c) More accurate
(d) Both b & c
9. The point at which water freezed:
(a) 10 °C
(b) 0 °C
(c) 5 °C
(d) 15 oc
10. Weight of 1 kilogram of water:
(a) 900 grams
(b) 1000 grams
(c) 800 grams
(d) 700 grams
11. Weight of 1 kilogram of ethanol:
(a) 879 grams
(b) 789 grams
(c) 987 grams
(d) 768 grams
12. A proposition which may be true:
(a) Deduction
(b) Theory
(c) Law
(d) Hypothesis
13. The tentative explanation of observation is called:
(a) Hypothesis
(b) Theory
(c) Deductions
(d) Result
14. Which one among the following is not the characteristic of a good hypothesis?
(a) Must be consistent with present data (b) Must be testable
(c) Must be correct
(d) Must have prediction
15. Logical consequence drawn from hypothesis:
(a) Observation
(b) Deduction
(c) Experimentation
(d) Result
16. In biological method the next step of hypothesis is called:
(a) Deduction
(b) Observation
(c) Result
(d) Experiment
17. “If someone examine cells from a blade of grass, then each one will have a nucleus”. What is This statement :
(a) Theory
(b) Hypothesis
(c) Deduction
(d) Law
18. is most basic step of biological method:
(a) Observations
(b) Hypothesis
(c) Experimentation
(d) Deductions
19. Physicians were familiar with malaria years ago :
(a) 2000
(b) 2500
(c) 1500
(d) 2100
20. The word Malaria is derived from which language?
(a) German
(b) Italian
(c) French
(d) Greek
21. The word “mala” means:
(a) Air
(b) Bad
(c) Poor
(d) Both a & b
22. When was America discovered?
(a) 16th century
(b) 17th century
(C) 18th century
(d) 20th century
23. Which disease has killed more people than any other disease?
(a) Cancer
(b) AIDS
(c) Tuberculosis
(d) Malaria \
24. Bark of Quina- Quina was used for treating:
(a) Typhoid
(b) Malaria
(c) Tetanus
(d) Fever
25. The bark of which tree was very suitable for curing malaria?
(a) Cedrus
(b) Cinchona
(c) Pinus
(d) Cactus
26. Quinine is obtained from:
(a) Cinchona Bark
(b) Quina — Quina Bark
(c) Both a & b
(d) None of these
27. The bark of cinchona contains a chemical:
(a) Gum
(b) Quinine
(c) Glue
(d) Honey
28. Quinine is an effective remedy for:
(a) Diabetes
(b) Malaria
(c) Cholera
(d) Diarrhoea
29. Most effective remedy against malaria uptil 20th century:
(a) Ranitidine
(b) Quinine
(c) Amoxicillin
(d) All of these
30. French Army Physician who worked on malaria in 1878:
(a) Laveran
(b) Ronald Ross
(c) A.F.A king
(d) Mendel
31. Who started to know the reason for malaria?
(a) Hackel
(b) Laveran
(c) Ronald Ross
(d) Mendel
32. Laveran began to search for cause of malaria in:
(a) 1978
(b) 1870
(c) 1878
(d) 1880
33. Who discovered Plasmodium?
(a) Laveran
(b) A. F A. King
(c) Ronald Ross
(d) Darwin
34. Plasmodium was discovered in:
(a) 1876
(b) 1878
(c) 1880
(d) 1882
35. Malaria is caused by:
(a) Plasmodium
(b) Entamoeba
(c) Paramecium
(d) E-coli
36. “If Plasmodium is the reason of malaria, then all the person ill with malaria should have plasmodium in their blood”. This statement indicates :
(a) Hypothesis
(b) Deduction
(c) Theory
(d) Law
37. Mark the incorrect observation about malaria:
(a) Malaria is associated with marshes.
(b) Quinine is an effective drug for treating malaria.
(c) Drinking water of marshes causes malaria.
(d) Individuals who slept near a smoky fire usually did not get malaria.
38. In which year, A. F. A. King listed his 20 observations:
(a) 1881
(b) 1882
(c) 1883
(d) 1884
39. How many observations were presented by A.F.A king?
(a) 14
(b) 18
(c) 20
(d) 22
40. Ronald Ross belonged to:
(a) Germany
(b) Great Britain
(c) Holland
(d) America
41. Ronald Ross performed experiments in:
(a) 1878
(b) 1880
(c) 1885
(d) 1888
42. “Mosquitoes transmit plasmodium and are involved in spread of malaria” this hypothesis is suggested by?
(a) Laveran
(b) Aristotle
(c) Redi
(d) A.F.A. king
43. Female Mosquitoes used by Ross in his experiments:
(a) Anopheles and Aedes
(b) Aedes and culex
(c) Culex and Anopheles
(d) All of these
44. Female mosquitoes need the blood of for the maturation of their eggs:
(a) Mammals
(b) Birds
(c) Both (a) and (b)
(d) Reptiles
45. Anopheles mosquito causes a disease:
(a) Dengue fever
(b) Malaria Fever
(c) Typhoid Fever
(d) Flu Fever
46. Malaria in sparrows spread by:
(a) Ordinary Mosquito
(b) culex mosquito
(c) Anopheles mosquito
(d) Aedes mosquito
47. The malaria is spread in birds by:
(a) Anopheles
(b) Dengue
(c) Aedes
(d) Culex
48. Plasmodium is transferred by:
(a) Fly
(b) Virus
(c) Mosquito
(d) Bacteria
49. Who is responsible for spread of malaria fever?
(a) Virus
(b) Plasmodium
(c) Amoeba
(d) Paramecium
50. Ross found mosquitoes multiplying in:
(a) Salivary glands
(b) Blood
(c) Stomach
(d) Both a & c
51. Mosquito that transmits dengue fever:
(a) Culex
(b) Anopheles
(c) Aedes
(d) Female anopheles mosquito
52. In dengue fever, which cells are shorten?
(a) R.B.C
(b) Platelets
(c) W.B.C
(d) All of these
53. Blood clotting in food canal of mosquito is prevented by.
(a) Lymph
(b) Platelets
(c) Saliva
(d) All of these
54. A Hypothesis that is often tested and never rejected is called: (GRW 2012, 2015)
(a) Law
(b) Theory
(c) Principle
(d) Deduction
55. The hypothesis that stands the test of time are called:
(a) Experiments
(b) Deductions
(c) Theories
(d) Observation
56. A theory is supported by a great deal of:
(a) Evidence
(b) Result
(c) Experiment
(d) Observation
57. An irrefutable theory:
(a) Deduction
(b) law
(c) Hypothesis
(d) All of these
58. The information such as names, dates or values made from observations and experimentation:
(a) Data
(b) Theory
(c) Law
(d) Observation
59. A relation between two numbers in terms of quotient is called:
(a) Proportion
(b) Ratio
(c) Both a & b
(d) None of these
60. Summarizing data through the calculation of a mean value:
(a) Mathematics
(b) Statistics
(c) Physics
(d) Economics
61. Computational and statistical techniques for the analysis of biological data are studied in:
(a) Biomathematics
(b) Biophysics
(c) Bioinformatics
(d) Biochemistry