1st Year Biology Chapter 1 Introduction MCQs Short Questions Notes

biology 11th notes Chapter 1

1. The chemicals produced by microorganisms, which are capable of destroying or inhibiting the growth of another organism:

 
 
 
 

2. A statement based upon observations and experience is called as:

 
 
 
 

3. It is unbroken series of species arranged in ancestor to descendent sequence with rest of the groups evolved from the one that immediately preceded it:

 
 
 
 

4. Deductive reasoning is always from:

 
 
 
 

5. A group of organisms of the same species located in the same place at the same time is called as:

 
 
 
 

6. Every organism is composed of numerous micro and:

 
 
 
 

7. The treatment of cancer using specific chemical agents or drugs those are selectively destructive to malignant cells and tissues:

 
 
 
 

8. Chemotherapy technique:

 
 
 
 

9. Tissue culture:

 
 
 
 

10. It is growing of plants without soil:

 
 
 
 

11. The branch of Biology dealing with social behavior and communal life of human beings is:

 
 
 
 

12. A type of symbiosis in which one organism benefits at the expense of the other:

 
 
 
 

13. spore forming bacteria is called:

 
 
 
 

14. Organ:

 
 
 
 

15. What is true for Natural Cloning?

 
 
 
 

16. Bio elements constitute 99% of the total mass:

 
 
 
 

17. All acellular, Eukaryotic organisms which are no longer classified as animals, plants or fungi are placed in kingdom:

 
 
 
 

18. The study of Parasites, relating to their structure and mode of transmission is called:

 
 
 
 

19. Acquired Immuno deficiency syndrome abbreviated as:

 
 
 
 

20. Population of different species of plants and Animals in the same habitat is called:

 
 
 
 

21. Hydroponic culture technique:

 
 
 
 

22. First living organisms originated:

 
 
 
 

23. The plants having foreign D.N.A. in their cells are:

 
 
 
 

24. Method of research in which a biological problem is identified, relevant data is gathered, a hypothesis is formulated from these data, and the hypothesis is experimentally tested is called:

 
 
 
 

25. Edward Jenner in 1795 developed a technique to control small pox called:

 
 
 
 

26. The Integrated disease management involves:

 
 
 
 

27. Life emerges at the level of:

 
 
 
 

28. organisms, such as Bacteria, Viruses etc. is called:

 
 
 
 

29. Red wood trees measure over:

 
 
 
 

30. Bio remediation:

 
 
 
 

31. Theory:

 
 
 
 

32. The first antibiotic to be discovered was:

 
 
 
 

33. The period of geologic time beginning 225 million years ago and ending 135 million years ago, falling between the Paleozoic and Cenozoic Eras is called:

 
 
 
 

34. Planning to reduce plant diseases by applying different strategic methods is termed as:

 
 
 
 

35. A sufficiently stable electrically neutral group of at least two atoms in a definite arrangement held together by chemical bonds:

 
 
 
 

36. A form of symbiosis in which both species benefit:

 
 
 
 

37. Devonian period:

 
 
 
 

38. A symbiotic relationship in which one species benefits and the other is not affected:

 
 
 
 

39. Which one is used to control cancer:

 
 
 
 

40. The application of organisms, biological systems, or biological processes to manufacturing and servicing industries is called:

 
 
 
 

41. The study of living organism:

 
 
 
 

42. The period of geologic time beginning after the end of the Mesozoic Era 70 million years ago and encompassing the present is called:

 
 
 
 

43. celled protozoa which reproduce by binary fission, resulting in two offspring with identical genes. This is process of:

 
 
 
 

44. The manipulation of desired genes in plants and animals is called as:

 
 
 
 

45. Immunization:

 
 
 
 

46. Dolly sheep was cloned in:

 
 
 
 

47. Which of following is a viral disease:

 
 
 
 

48. The period from 600 million years ago to 270 million years ago is:

 
 
 
 

49. Biological applications provide:

 
 
 
 

50. Living together of two organisms belonging to different species is termed as:

 
 
 
 

51. The species of plants and animals likely to get extinct are called as:

 
 
 
 

52. The production of genetically identical copies of organisms by asexual reproduction is called as:

 
 
 
 

53. An unbroken series of species arranged in ancestor to the descendant order is called as:

 
 
 
 

54. Repair and isolation of defective genes by introducing normal genes through bone marrow is called:

 
 
 
 

55. The study of living organisms in seas and oceans is called:

 
 
 
 

56. AIDS is caused by:

 
 
 
 

57. A community along with its non living environment is called as:

 
 
 
 

58. A large regional community determined by climate is called as:

 
 
 
 

59. Radioactive isotopes:

 
 
 
 

60. The practice of growing several different crops on the same land in successive years or seasons to avoid pests and diseases is termed as:

 
 
 
 

61. Molecular Biology deals with the structure of cells and their organelles at the level:

 
 
 
 

62. Antigens in the form of modified or inactivated or killed pathogens that raise immunity against actual pathogens:

 
 
 
 

63. Cloning is a technology for achieving:

 
 
 
 

64. “If bacteriophages specifically target and destroy cells of Escherichia coil in petri dishes, then they will do the same in laboratory mice that have been infected by that strain”. This statement is referred to as:

 
 
 
 

65. It is the part of the Earth, including air, land, surface rocks, and water, within which life occurs:

 
 
 
 

66. breeding organisms of same species:

 
 
 
 

67. The process of immunization by vaccination was first introduced by:

 
 
 
 

68. The reasoning from a specific set of observations to reach a general conclusion is called:

 
 
 
 

69. The technique of producing a genetically identical copy of an organism by replacing the nucleus of an unfertilized ovum with the nucleus of a body cell from the organism is:

 
 
 
 

70. The branch of biology that deals with the function of nucleic acids and proteins, and especially their role in cell replication and the transmission of genetic information is:

 
 
 
 

71. living matters are formed of:

 
 
 
 

72. It can be defined as the use of natural enemies to reduce the damage caused by a pest population:

 
 
 
 

73. The term Biology is of:

 
 
 
 

Short Questions

1. Define clone?
2. Define ecosystem with an example.
3. Define parasitology.
4. Define population, give its one example.
5. Define theory. Give important features of a god theory.
6. Differentiate between anatomy and morphology.
7. Differentiate between biological control and bioremediation.
8. Differentiate between Chemotherapy and gene therapy.
9. Differentiate between deductive and inductive reasoning.
10. Differentiate between gene therapy and chemotherapy.
11. Differentiate between inductive and deductive reasoning.
12. Differentiate between micro and macromolecules?
13. Differentiate between organ and organ system in plants and animals.
14. Differentiate between Organ and Organelle.
15. Differentiate between population and community.
16. Differentiate between theory and law.
17. How does aw differ from theory?
18. Name a fatal viral disease of human Liver?
19. Name the heavy metals which are released from the automobiles and the tanneries?
20. What do you know about hypothesis?
21. What do you mean by hypothesis?
22. What do you mean by integrated disease management?
23. What do you understand by hydroponics?
24. What is an antibiotic?
25. What is biological method?
26. What is biome?
27. What is deduction?
28. What is deductive reasoning? Give one example.
29. What is Five Kingdom classification system?
30. What is hydroponic culture technique; what are its advantages and application?
31. What is hydroponic culture technique?
32. What is immunization?
33. What is meant by phyletic lineage; how new species arise?
34. What is pasteurization; give its application.
35. What is pylatic lineage?
36. What is the gene therapy?
37. What is the other name of seawater?
38. Write the name of four eras of geological times.

Long Questions

1. Describe biological organization at organelles and cell level
2. Explain any three steps in biological method.
3. What is cloning? Discuss its methods and applications.
4. Describe the role of drug treatment to control disease.
5. Discuss service of Biology in field of disease control.
6. How biology has helped mankind in conservation and protection of environment?
7. Write a note on population and community level of biological organization.
8. Define biology and its division.
9. What is life? Write its characteristics.
10. Distinguish between biochemistry and biotechnology?
11. Define biological method? Write steps involve in biological method.
12. What is Hypothesis? Differentiate between deductive and inductive reasoning.
13. How does theory differs from law?
14. What is hydroponic culture technique? Give its importance.
15. Define cloning? Write its importance.
16. What is pasteurization?
17. What is integrated disease management?

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