10 short, high‑yield questions for each of the typical 14 chapters of Class 11 Biology (2025 syllabus)

 Here are 10 short, high‑yield questions for each of the typical 14 chapters of Class 11 Biology (2025 syllabus)

Chapter 1: Diversity in the Living World

  1. Define taxonomy.

  2. What is binomial nomenclature?

  3. Who proposed the two‑kingdom system?

  4. What are the major five-kingdoms?

  5. Define species.

  6. What is biological classification?

  7. Explain hierarchy of classification.

  8. What is the naming system for organisms?

  9. Example of a unicellular eukaryote.

  10. Criteria to classify living organisms.

Chapter 2: Structural Organisation in Plants

  1. Define tissue.

  2. What is parenchyma?

  3. Define collenchyma.

  4. What is sclerenchyma?

  5. Differentiate xylem and phloem.

  6. What is stomata?

  7. Define meristem.

  8. Role of epidermis in plants.

  9. Function of endodermis.

  10. What is secondary growth?

Chapter 3: Structural Organisation in Animals

  1. Define tissue in animals.

  2. What is epithelial tissue?

  3. Define connective tissue.

  4. Function of muscular tissue.

  5. What is nervous tissue?

  6. Define cartilage.

  7. Role of blood as tissue.

  8. Function of adipose tissue.

  9. Example of skeletal muscle.

  10. Function of smooth muscle.

Chapter 4: Cell: Structure and Function

  1. Define cell theory.

  2. What is prokaryote vs eukaryote?

  3. Define cell membrane.

  4. Function of nucleus.

  5. Role of mitochondria.

  6. What are ribosomes?

  7. Function of endoplasmic reticulum.

  8. Define Golgi apparatus.

  9. What are lysosomes?

  10. Differences between plant and animal cells.

Chapter 5: Biomolecules

  1. What are carbohydrates?

  2. Define monosaccharides.

  3. Examples of disaccharides.

  4. Define proteins.

  5. What are amino acids?

  6. Define fats (lipids).

  7. Role of enzymes.

  8. What are vitamins?

  9. Define nucleic acids.

  10. Function of DNA.

Chapter 6: Plant Physiology

  1. What is photosynthesis?

  2. Write general photosynthesis equation.

  3. Define transpiration.

  4. What is photophosphorylation?

  5. Role of stomata in gas exchange.

  6. Define nitrogen fixation.

  7. Role of plant hormones.

  8. What is respiration (plant)?

  9. Define C3 and C4 pathways.

  10. What is imbibition?

Chapter 7: Human Physiology: Digestion and Absorption

  1. Name the digestive organs.

  2. Function of saliva in digestion.

  3. Role of stomach acid.

  4. Function of small intestine.

  5. Role of villi and microvilli.

  6. What are digestive enzymes?

  7. Absorption of nutrients in intestines.

  8. Role of pancreas.

  9. Define bile and its source.

  10. Function of large intestine.

Chapter 8: Human Physiology: Breathing and Exchange of Gases

  1. Define respiration (breathing).

  2. What is tidal volume?

  3. Function of lungs (alveoli).

  4. Define pulmonary ventilation.

  5. What is partial pressure?

  6. Role of hemoglobin.

  7. Define oxygen transport.

  8. What is carbon dioxide removal?

  9. What is vital capacity?

  10. How does smoking affect lungs?

Chapter 9: Human Physiology: Body Fluids and Circulation

  1. What are body fluids?

  2. Define blood composition.

  3. Role of plasma.

  4. What are red blood cells?

  5. Function of white blood cells.

  6. What is platelets?

  7. What is lymph?

  8. Define circulation.

  9. What is cardiac output?

  10. Role of heart valves.

Chapter 10: Human Physiology: Excretion

  1. Define excretion.

  2. What are nephrons?

  3. Define glomerulus.

  4. Function of Bowman's capsule.

  5. Role of proximal tubule.

  6. What is loop of Henle?

  7. Function of collecting duct.

  8. Role of kidney in osmoregulation.

  9. Define urine formation.

  10. What is dialysis?

Chapter 11: Human Physiology: Locomotion and Movement

  1. Define locomotion.

  2. What are bones and cartilage?

  3. Function of joints.

  4. Define skeletal muscles.

  5. Role of tendons and ligaments.

  6. What is antagonistic muscle pair?

  7. Role of bone marrow.

  8. Define axial skeleton.

  9. What is appendicular skeleton?

  10. Function of muscular contraction.

Chapter 12: Human Physiology: Nervous Coordination and Control

  1. What is neuron?

  2. Define synapse.

  3. Role of brain in coordination.

  4. What is spinal cord?

  5. Define reflex action.

  6. Role of sensory receptors.

  7. What are neurotransmitters?

  8. Function of autonomic nervous system.

  9. Define hormone vs neurotransmitter.

  10. What is endocrine gland?

Chapter 13: Human Physiology: Sense Organs

  1. Define sensory organ.

  2. What is the structure of the eye?

  3. Function of retina.

  4. What is the lens?

  5. Define accommodation.

  6. Role of optic nerve.

  7. What is the structure of the ear?

  8. Function of cochlea.

  9. Define equilibrium in ear.

  10. What are taste buds?

Chapter 14: Human Reproduction and Heredity

  1. Define reproduction.

  2. What is male reproductive organ?

  3. What is female reproductive organ?

  4. Define fertilization.

  5. What is placenta?

  6. Define zygote.

  7. What is Mendel’s law?

  8. Define dominant & recessive traits.

  9. What is genetic variation?

  10. Define mutation.


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