Biology
- Lecture Notes, Study Materials and Important questions answers

Subject : Biology

Introduction to Biology

1. Introduction to Biology - Answer (click here)
2. Principal Branches of Biology - Answer (click here)
3. Great scientists in Biology - Answer (click here)
4. Characteristics of Plants and Animals - Answer (click here)
5. Role of Biology in Social, Economic and Environmental Development - Answer (click here)
6. Nature and Origin of Life - Answer (click here)

Structure and Nature of Living Cell

1. Structure and Nature of Living Cell - Answer (click here)
2. Plasma membrane or Cell membrane: Stucture, Functions - Answer (click here)
3. Cytoplasm: Stucture, Functions - Answer (click here)
4. Nucleus: Stucture, Functions - Answer (click here)
5. Structure and Functions of Chloroplast - Answer (click here)
6. Structure and Functions of Golgi bodies/Golgi apparatus - Answer (click here)

Cell Division

1. Types of cell division - Answer (click here)
2. Stages of Mitosis - Answer (click here)
3. Significance of Mitosis - Answer (click here)
4. Abnormal cell division - Answer (click here)
5. Male-Female determining chromosome - Answer (click here)

Division of Labour In Multicellular Plants

1. Types of Tissue - Answer (click here)
2. Characrteristics of Meristamatic tissues - Answer (click here)
3. Characteristics of Permanent tissue - Answer (click here)
4. Types of permanent tissue - Answer (click here)
5. Laticiferous tissues and Glandular tissues - Answer (click here)
6. Tissue System and types of Tissue System - Answer (click here)
7. Types of Simple permanent tissue and its Functions - Answer (click here)
8. Types of Complex permanent tissue and its Functions - Answer (click here)

Animal Tissue Organ and Organ System

1. Animal Tissue, Organ and Organ System - Answer (click here)
2. Differences between Tissue and Cell - Answer (click here)
3. Types of Tissues - Answer (click here)
4. Structural Characteristics, Function and Location of Epithelial Tissue - Answer (click here)
5. Structural Characteristics, Functions and Location of Connective Tissue - Answer (click here)
6. Structural Characteristics, Function and Location of The Muscular Tissue - Answer (click here)
7. Structural Characteristics, Function and Location of The Nerve Tissue - Answer (click here)
8. Necessary Organs of Human Body - Answer (click here)
9. Co-ordination between Organs and Systems to keep the body fit - Answer (click here)

Classification of Plants

1. Classification of Plants - Answer (click here)
2. Unit of Plants classification and Taxa - Answer (click here)
3. Virus - Answer (click here)
4. Bacteria - Answer (click here)
5. Algae - Answer (click here)
6. Fungi: Structure and Reproduction - Answer (click here)
7. Bryophyta: Characteristics and Importance - Answer (click here)
8. Pteridophyta: Characteristics and Importance - Answer (click here)
9. Gymnosperm: Characteristics and Importance - Answer (click here)
10. Monocotyledonous or Monocot plants:: Characteristics and Importance - Answer (click here)
11. Dicotyledonous or Dicot Plants: Characteristics and Importance - Answer (click here)

Animal Diversity and Classification

1. Animal Diversiy - Answer (click here)
2. Short Description of Diversification or Bio-Diversity - Answer (click here)
3. Animal Taxonomy - Answer (click here)
4. Necessity of Animal Classification - Answer (click here)
5. Rules for Modern or Natural Classification in Animal Diversity - Answer (click here)
6. Plylum - Sarcomastigophorea Kingdom - Protista - Answer (click here)
7. Phylum - Cnidaria - Answer (click here)
8. Phylum Platyhelminthes - Answer (click here)
9. Phylum Nematoda - Answer (click here)
10. Plylum Annelida - Answer (click here)
11. Phylum Arthropoda - Answer (click here)
12. Phylum Mollusca - Answer (click here)
13. Phylum Echinodermata - Answer (click here)
14. Phylum chordata - Answer (click here)

Structural Organization and Acquaintance of Animals

1. Amoeba: Habit and Habitat - Answer (click here)
2. Body structure of Amoeba and its functions - Answer (click here)
3. Amoeba Locomotion - Answer (click here)
4. Amoeba: Process of intake of food or Nutrition - Answer (click here)
5. Amoeba: Digestion, Absorption and Egestion - Answer (click here)
6. Amoeba: Respiration, Excretion - Answer (click here)
7. Reproduction of Amoeba: Binary fission and Sporulation - Answer (click here)
8. Round Worm: External morphology and Habitat - Answer (click here)
9. Round Worm: Digestive system - Answer (click here)
10. Round Worm: Parasite and its Characteristics - Answer (click here)
11. Round Worm: Excretory System - Answer (click here)
12. Round Worm: Reproductive System - Answer (click here)
13. Round Worm: Ascariasis disease and its symptoms, Prevention - Answer (click here)
14. Toad: Habit, Habitat - Answer (click here)
15. External morphology of Toad - Answer (click here)
16. Skeletal system of Toad - Answer (click here)
17. Toad: Axial skeleton and its functions - Answer (click here)
18. Toad: Vertebral column and its functions - Answer (click here)
19. Toad: Appendicular skeleton(Pectoral girdle, Pelvic girdle) and its functions - Answer (click here)
20. Toad: Digestive system - Answer (click here)
21. Toad: Nutrition and Digestion - Answer (click here)
22. Toad: Circulatory system - Answer (click here)
23. Toad: Blood(Plasma and Blood corpuscles) - Answer (click here)
24. Toad: Heart - Answer (click here)
25. Toad: Blood vessels(Artery, Vein and Capillary) - Answer (click here)
26. Toad: Venous system - Answer (click here)
27. Toad: Respiratory system - Answer (click here)
28. Toad: Glucose oxidation and energy production, Glycolysis and Kreb's cycle - Answer (click here)
29. Toad: Nervous system - Answer (click here)
30. Toad: Structure of brain - Answer (click here)
31. Toad: Cranial nerves - Answer (click here)
32. Toad: Excretory system - Answer (click here)
33. Toad: Reproductives system - Answer (click here)

Physiological Activities in Plants Nutrition

1. Plant Nutrition and Nutrient Elements - Answer (click here)
2. Imbibition - Answer (click here)
3. Osmosis: Two types, Condition, Experiment, Absorption - Answer (click here)
4. Ascent of Sap - Answer (click here)
5. Transpiration and Types of Transpiration - Answer (click here)
6. Stomata: Process of Stomatal Tranpiration and Factors affecting - Answer (click here)
7. Photosynthesis: Process, Organ, Factors Affecting, Importance - Answer (click here)
8. Importance of Photosynthesis - Answer (click here)
9. Some Experiments on Photosynthesis - Answer (click here)
10. Experiment to demonstrate that Oxygen is evolved during Photosynthesis - Answer (click here)
11. Experiment to show that photosynthesis do not occur without chlorophyll - Answer (click here)
12. Experiment to show that light is essential for Photosynthesis - Answer (click here)
13. Experiment to show that photosynthesis cannot occur without CO2 - Answer (click here)
14. Evolution of O2 during photosynthesis - Answer (click here)
15. Respiration: Respiratory substrate, Types of respiration - Answer (click here)
16. Importance of Aerobic and Anaerobic Respiration - Answer (click here)
17. Factors Affecting Respiration - Answer (click here)
18. Experiment to prove that Heat is evolved during Respiration - Answer (click here)
19. Experiment of Anaerobic Respiration - Answer (click here)
20. Growth and Development of Plant - Answer (click here)
21. Tropism - Answer (click here)
22. Effect of Light and Temperature on Plant Growth and Yield - Answer (click here)
23. Importance of photoperiodism and Vernalization - Answer (click here)

Flower

1. Different Parts of a Flower(Datura Flower) - Answer (click here)
2. Different kinds of Flower - Answer (click here)

Pollination Fertilization And Dispersal of Fruits and seeds

1. Pollination: Two types, Significance, Merits, Demerits - Answer (click here)
2. Pollinating Agents: Types and Characteristics - Answer (click here)
3. Fertilization in Plant - Answer (click here)
4. Dispersal of Fruits and Seeds - Answer (click here)

Reproduction of Plants

1. Reproduction of Plants and itsTypes - Answer (click here)

Organism and Environment

1. Organism and Environment - Answer (click here)
2. Components of Ecology - Answer (click here)
3. Food chain - Answer (click here)
4. Food web - Answer (click here)
5. Nutrient flow in Eco system - Answer (click here)
6. Energy flow in Ecosystem - Answer (click here)
7. Major Eco systems - Answer (click here)
8. Responsibility of man in maintaining balance of an environment - Answer (click here)

Pollution and Conservation of Environment

1. Pollution and Conservation of Environment - Answer (click here)
2. Green House Effect - Answer (click here)
3. Role of Human beings in conservation of Environment - Answer (click here)
4. Effect of Urbanization and Industrialisation on Environment - Answer (click here)
5. Industrialisation is mainly of two types - Answer (click here)

Natural Diversities of Bangladesh Distribution of Plants and Animals

1. Natural Diversities of Bangladesh-Distribution of Plants and Animals - Answer (click here)
2. Recent flood plain - Answer (click here)
3. Haor and other Marshy lands - Answer (click here)
4. Pleistocene uplands - Answer (click here)
5. Tertiary hilly region - Answer (click here)
6. Coastal Forest or Mangrove forest - Answer (click here)
7. Saint Martin's Island - Answer (click here)

Economic Biology Botany

1. Food producing plants - Answer (click here)
2. Cloth producing plants - Answer (click here)
3. Plants used for house building purposes - Answer (click here)
4. Medicinal Plants - Answer (click here)
5. Beverage yielding plants - Answer (click here)

Economic Biology

1. Prawn Culture: Economic importance and Kinds of prawn - Answer (click here)
2. Method of culture of fresh water prawn or Galda prawn - Answer (click here)
3. Method of culture of saline water prawn or Bagda prawn - Answer (click here)
4. Introduction of fishes - Answer (click here)
5. Importance of fish cultivation - Answer (click here)
6. Method of fish culture - Answer (click here)
7. Culture of silk worms or sericulture - Answer (click here)
8. Characteristics of silk fibers and economic importance of silk worms - Answer (click here)
9. Life cycle and silk cultivation - Answer (click here)
10. Bee keeping: Castes, life cycle, economic importance, artificial bee culture - Answer (click here)
11. Castes(various types) of bees - Answer (click here)
12. Life cycle of bees - Answer (click here)
13. Some harmful insects or pests of paddy and jute - Answer (click here)

Practical Botany

1. Microscope: Structure, Uses, Functioning Processes of Simple , Compound Microscope - Answer (click here)
2. Study of the Structure of a Flowering Plant - Answer (click here)
3. Study of the Structure of Plant and Animal Cells - Answer (click here)
4. Study of the Stages of Mitosis from Permanent Slides - Answer (click here)
5. Study of Distribution of Tissue System in Dicot Stem - Answer (click here)
6. Study of the Structural Features of Different Plant Groups - Answer (click here)
7. Experiment to Demonstrate the Process of Osmosis with the help of Raisin - Answer (click here)
8. Demonstration of cell-to-cell osmosis by Potato Osmoscope - Answer (click here)
9. Demonstration of Ascent of sap from root to stem and leaves with the help of Peperomia plant - Answer (click here)
10. Experiment to show that Light is essential for Photosynthesis - Answer (click here)
11. Experiment to prove that Heat is evolved during Respiration - Answer (click here)
12. Experiment to show the germination of pollen grains to form pollen tube - Answer (click here)
13. Experiment to show that CO2 is evolved during respiration - Answer (click here)

Practical Zoology

1. Earthworm: Classification, External Features, Digestive System, Method of Dissection - Answer (click here)
2. Prawn: Classification, External Features, Digestive System, Method of Dissection - Answer (click here)
3. Grasshopper: Classification, External Features, Digestive System, Method of Dissection - Answer (click here)
4. Toad: External Features, Digestive System, Method of Dissection, Skeleton - Answer (click here)
5. Digestive system of Toad - Answer (click here)
6. Skeleton of toad - Answer (click here)
7. Channa punctatus (Lata/Taki Fish): External Features, Digestive System, Method of Dissection - Answer (click here)
8. Examples of Animals taken from each of the major Phyla, their identifying Characters, Observations and Figures - Answer (click here)