10th Class Biology Notes

Important full 10th class biology notes written by Professor Mr. Adnan Haider. These computerized notes are very helpful in the preparation of Biology Class 10 Notes for 10th class biology notes of the 10th class Biology and these are according to the paper patterns of all Punjab boards.

• Important 10th biology notes pdf for all students of Punjab  Textbook Board.
• Important Multiple Choice Questions ( MCQs ) with correct Answers of All Chapters in Biology class 10th English Medium.
• Important Short Questions with Correct Answers of All Chapters in Biology class 10th English Medium.
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Chapter No # 10 Gaseous Exchange

• Differentiate between respiration and breathing.
• Write a short note on gaseous exchange in Plants.
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• What is the difference between daytime respiration and nighttime respiration?
• Differentiate between stomata and air spaces.
• Differentiate between glottis and epiglottis.
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• What is the role of epiglottis in the respiration?
• Differentiate between bronchi and bronchioles
• What is the role of the pharynx in the respiration?
• What is normal rate of respiration in human? How it is controlled brain?
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• What are pleural membranes? Write down their function.

Chapter No # 11 Homeostasis

• How calcium oxalate is removed in tomato plant as metabolic waste?
• Name the plants from which resins, Guns, latex, and mucilage are obtained.
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• What are hydrophytes? Give an example.
• Define halophytes and give examples.
• Differentiate between Glomerulus and Bowman's capsule.
• What are the causes of kidney stone? And write its symptoms.
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• Write two complexities which can arise in kidney transplant.
• What do you know about osmotic adjustments in Hydrophytes and Halophytes? Write three names and function of those organs which maintain Homeostasis.

Chapter No # 12 Control and Coordination

• How does coordination occur in unicellular organisms?
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• Differentiate between nervous coordination and chemical coordination.
• What is the difference between gray and while matter?
• Differentiate between central and peripheral nervous system.
• Describe the function of rods and cones present in the retina of eye.
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• What is endocrine system and write four names of glands.
• Differentiate between Hypothyroidism and Hyperthyroidism.
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Chapter No # 13 Support and Movement 

• Define locomotion and movement.
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• What is meant by Exoskeleton?
• What is meant by Endoskeleton?
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• Define skeletal system.
• What is the role of skeletal system in body?
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• What are the types of connective tissues?
• What is difference between Bone and Cartilage?
• What is meant by Fibrous cartilage?
• Define Cartilage. Write the names of its two types.
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Chapter No # 14 Reproduction

• Explain spermatogenesis and oogenesis in animals. 
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• Describe the structure of Female Reproductive Part of Flower. Diagram is necessary.
• Explain external and internal fertilization with examples.
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• Explain male reproductive system in Rabbit. OR Explain female reproductive system in Rabbit.
• Why reproduction is necessary for living organism. Describe any three methods of a sexual reproduction.
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• Describe process of Binary Fission in Bacteria. 
• What do you know about Multiple Fission?
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Chapter No # 15 Inheritance

• Write a note on Replication of DNA OR Explain Watson-Crick Model of DNA. OR How does DNA of Chromosome Works? Explain.
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• Who was Mendel? Why Mendel selected pea plant for his experiments? 
• Describe Mendel's Law of segregation. 
• State Mendel's Law of Independent Assortment. Explain it with help of example.
• Describe Co-dominance and Incomplete Dominance and give examples. 
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• Differentiate between continuous and discontinuous variations.

Chapter No # 16 Man and his Environment

• Differentiate between population and community.
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• Differentiate between Ecosystem and Biosphere.
• What is meant by decomposers?
• Differentiate between carnivores and herbivores.
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• What are omnivores?
• What are carnivore’s plants?
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• What is the role of reducers in an ecosystem?

Chapter No # 17 Biotechnology

• Write down the names of major techniques in biotechnology.
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• Describe human genome project.
• Who produced dolly and when?
• Write any two characteristics of transgenic animals.
• Give example, how biotechnology is helping in the field of medicine.
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• Describe scope and importance of biotechnology.
• Why are Transgenic organisms being developed? 

Chapter No # 18 Pharmacology

• Define pharmacology and distinguish it from pharmacy?
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• Name different sources of drugs.
• Write the names of drugs obtained from plants and fungi.
• Define pharmacology and pharmacologist.
• Give details of drugs obtained from animals.
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• From which morphine is obtained?
• What is iodine tincture? Write its use.
• What is use of powder silver nitrate?