dars
lab
free school lessons
Lessons
My cabinet
Badges
About
Grade 9
1
2
3
4
5
6
7
8
9
10
soon
11
soon
🌐
EN
UZ
O‘zbekcha
EN
English
RU
Русский
Log in
Algebra
Geometry
Uzbek language
Literature
English
Russian language
Computing
History of Uzbekistan
World history
Physics
Chemistry
Biology (Cytology and genetics)
Geography (World economic and social geography)
Technology
Constitutional law
Economics
Advertisement
728×90 · 320×100
Grade 9
›
Biology (Cytology and genetics)
Biology (Cytology and genetics) · Grade 9
32/32 weeks ready · A. Zikiryayev, A. To‘xtayev, I. Azimov, N. Sonin. Biology. Basics of Cytology and Genetics, Grade 9, revised and expanded 5th edition. “Yangiyul Poligraph Service”, Tashkent, 2019
Chapter I
General laws of life
1
Properties and levels of organisation of life
1. Characteristic properties of living organisms
2. Levels of organisation of life
Quiz (8)
Homework
Chapter II
Diversity of organisms
2
Viruses and prokaryotes
3. Non-cellular forms of life
4. Prokaryotic cells
Quiz (8)
Homework
3
Plants and fungi
5. Eukaryotes: the diversity of plants
6. The world of fungi
Quiz (8)
Homework
4
The animal world and laboratory work 1
7. The animal world
8. Laboratory work 1: viewing a bacterium and a blue-green alga under the microscope
Quiz (8)
Homework
Chapter III
Basics of cytology
5
Cell theory and methods of cell study
9. History of cell study and the cell theory
10. Methods of studying the cell
Quiz (8)
Homework
6
The eukaryotic cell, membrane and main organelles
11. Eukaryotic cells
12. Cytoplasm. Non-membrane and membrane organelles: endoplasmic reticulum, ribosomes, Golgi complex
Quiz (8)
Homework
7
Organelles and the nucleus
13. Mitochondria, plastids, lysosomes and other organelles of the cytoplasm
14. The nucleus and its structure
Quiz (8)
Homework
8
Prokaryotes and eukaryotes; evolution of cells
15. Prokaryotic and eukaryotic cells
16. Evolution of cells
Quiz (8)
Homework
9
Observing cells (laboratory works 2 and 3)
17. Laboratory work 2: studying plant and animal cells under the microscope
18. Laboratory work 3: observing plasmolysis and deplasmolysis in a plant cell
Quiz (8)
Homework
Chapter IV
Chemical basis of life processes
10
Chemical composition of the cell; water and salts
19. Chemical composition of the cell
20. Water and inorganic substances in the cell
Quiz (8)
Homework
11
Biomolecules and carbohydrates
21. Biomolecules
22. Carbohydrates
Quiz (8)
Homework
12
Lipids, amino acids and proteins
23. Lipids
24. Proteins. Amino acids
Quiz (8)
Homework
13
Structure and properties of proteins
25. Protein composition and structure
26. Properties of proteins. Simple and complex proteins
Quiz (8)
Homework
14
Protein functions, nucleic acids and the amylase experiment
27. Functions of proteins
28. Nucleic acids
29. Laboratory work 4: the action of amylase on starch
Quiz (8)
Homework
Chapter V
Metabolism and energy in cells
15
Metabolism and energy metabolism
30. Metabolism
31. Energy metabolism
Quiz (8)
Homework
16
Stages of energy metabolism and nutrition
32. Stages of energy metabolism
33. Nutrition of the cell
Quiz (8)
Homework
17
Chemosynthesis and protein biosynthesis
34. Chemosynthesis
35. Plastic metabolism in the cell
Quiz (8)
Homework
18
Calculations and laboratory work 5
36. Solving problems on matter and energy metabolism in the cell
37. Laboratory work 5: formation of organic matter in a plant leaf
Quiz (8)
Homework
Chapter VI
Reproduction and individual development
19
The cell cycle, mitosis and meiosis
38. The cell cycle
39. Meiosis
Quiz (8)
Homework
20
Types of reproduction and sexual reproduction
40. Types of reproduction of living organisms
41. Sexual reproduction
Quiz (8)
Homework
21
Fertilisation and embryonic development
42. Fertilisation
43. The embryonic period of development
Quiz (8)
Homework
22
Postembryonic development and laws of ontogenesis
44. Postembryonic development
45. Influence of the environment on embryonic development
46. General laws of development. The biogenetic law. The law of embryonic similarity
Quiz (8)
Homework
Chapter VII
Basics of genetics
23
Basics of genetics and Mendel’s laws
47. History of the development of genetics
48. Mendel’s laws. Monohybrid cross
Quiz (8)
Homework
24
Monohybrid problems and the dihybrid cross
49. Laboratory work 6: solving monohybrid cross problems
50. Dihybrid and polyhybrid crosses. Mendel’s third law
Quiz (8)
Homework
25
Dihybrid problems, herbarium and gene interaction
51. Practical work 1: solving dihybrid cross problems
52. Laboratory work 7: studying cross results of cotton, tomato and four-o’clock from herbarium specimens
53. Interaction of non-allelic genes
Quiz (8)
Homework
26
Polymeric and pleiotropic action, gene interaction problems
54. Polymeric and pleiotropic action of genes
55. Practical work 2: solving problems on interaction of non-allelic genes
Quiz (8)
Homework
27
Linked inheritance and sex genetics
56. Linked inheritance of traits
57. Genetics of sex
Quiz (8)
Homework
28
Problems and variation
58. Practical work 3: solving problems on linked and sex-linked inheritance
59. Variation
Quiz (8)
Homework
29
Statistics of modification and mutational variation
60. Laboratory work 8: studying statistical regularities of modification variation
61. Mutational (genotypic) variation
Quiz (8)
Homework
30
Human genetics: methods and hereditary diseases
62. Methods of studying human genetics
63. Hereditary diseases in humans
Quiz (8)
Homework
Chapter VIII
Basics of selection and biotechnology
31
Centres of cultivated plants and selection methods
64. Origin of cultivated plants and centres of diversity
65. Selection of plants and animals
Quiz (8)
Homework
32
Biotechnology and achievements of Uzbek scientists
66. Selection and biotechnology
67. Achievements of Uzbek scientists in biology and selection
Quiz (8)
Homework
Advertisement
300×250 · 728×90