Class 10 Biology Guess Paper

• Important guess paper of biology class 10 for all students of Punjab  Textbook Board.
• Important Short and Long questions of each Chapter of Biology English Medium Class 10th for all Punjab Textbook Boards.
• Define cellular respiration.
• How does gaseous exchange in plants take place?
• What are stomata? Write their function.
• What are lenticels? What is their function?
• How will you differentiate between a stoma and lenticels?
• Differentiate between breathing and respiration.
• Describe aerobic respiration.
• What is the function of hairs and mucous in a nasal cavity?
• Important biology guess paper 2025 class 10 for all students of Punjab  Textbook Board.
• Differentiate between nasal cavity and nostrils.
• Differentiate between a glottis and an epiglottis.
• How sound is produced in larynx?
• What is trachea? How does cartilage in its walls keep it from collapsing?
• What are alveoli? Write their function.
• What are pleural membranes? Write down their function.
• Define oxygenated blood. 
• What is the difference between inhalation and exhalation?
• Important biology class 10 guess paper 2025 pdf download for all students of Punjab  Textbook Board.
• Differentiate between bronchi and bronchioles.
• What is emphysema? Give its symptoms.
• What is Pneumonia? Differentiate between single and double pneumonia.
• Define asthma and give its reasons.
• Write down the common symptoms of lung cancer.
• What is passive smoking? How it is harmful?
• What is nicotine? What are its harmful effects?
• How smoking affects teeth?
• Define homeostasis. Give two examples.
• What is the difference between osmoregulation and thermoregulation?
• Important guess paper of biology class 10 2025 for all students of Punjab  Textbook Board.
• How homeostasis of CO2 and O2 takes place in plants?
• Differentiate between turgidity and guttation.
• What is the difference between resins and gums?
• Differentiate between hydrophytes and xerophytes. Give one example. 
• Define halophytes with an example.
• Define osmosis.
• What is the difference between latex and mucilage?
• Our skin consists of how many layers? What are their functions?
• How skin keeps our body cool?
• What is the shape, size and weight of kidney?
• What are the important parts of nephron?
• What is a renal corpuscle? Write the names of its two important parts.
• Differentiate between renal corpuscle and renal tubule.
• Differentiate between renal cortex and renal medulla.
• What is pressure filtration?
• What is glumerular filtrate?
• What is meant by selective re absorption? How it occurs?
• Differentiate between pressure filtration and tubular secretion.
• Differentiate between hilus and pelvis.
• Write down any two major causes of kidney stones.
• What are the symptoms of kidney stones?
• What is lithotripsy?
• Write contributions of Abu-al-Qasim Al-Zahravi in biology.
• What is meant by dialysis? Write the names of its methods.
• What do you mean by a bone? Describe its structure.
• What conditions are necessary for the germination of seed?
• What are the main components of an axial skeleton and appendicular skeleton of human?
• What is meant by tissue culture and cloning? Explain.
• What is meant by a joint? Describe different types of joints.
• What is meant by pollination? Differentiate between self and cross pollination.
• Describe the roles of tendons and ligaments in human skeletal system.
• Write down the advantages and disadvantages of vegetative propagation of plants.
• What is arthritis? Write down its symptoms and treatment. Also describe its different types.
• Describe two common methods of artificial propagation.
• What is meant by binary fission? How asexual reproduction by binary fission takes place in bacteria, amoeba and planaria.
• What is meant by vegetative propagation? Describe different ways of natural vegetative propagation.
• Discuss the biotic components of an ecosystem.
• Write a note on carbon cycle.
• Write a note on nitrogen cycle.
• What is meant by acid rain? Write down the significant effects of acid rain.
• Define green house effect. What is global arming? Write its effects.
• What is water pollution? Describe its effects and control.
• Write the important achievements of biotechnology with reference to medicine, agriculture and environment.
• Describe two basic types of carbohydrate fermentation.