Chapter 6 – Life Processes – MCQs
Chapter 6 – Life Processes – MCQs (Part 1: Q1–Q25)
Q1. The basic life processes are:
a) Respiration, Excretion, Movement, Reproduction
b) Nutrition, Respiration, Transportation, Excretion ✅
c) Growth, Locomotion, Reproduction, Excretion
d) Circulation, Excretion, Photosynthesis, Movement
Answer: b) Nutrition, Respiration, Transportation, Excretion
Explanation: These are essential for maintaining life in all living organisms.
Q2. Which form of nutrition is seen in green plants?
a) Autotrophic ✅
b) Heterotrophic
c) Saprophytic
d) Parasitic
Answer: a) Autotrophic
Explanation: Green plants prepare food by photosynthesis using CO₂, water, and sunlight.
Q3. In photosynthesis, light energy is absorbed by:
a) Starch
b) Chlorophyll ✅
c) Mitochondria
d) Vacuole
Answer: b) Chlorophyll
Explanation: Chlorophyll pigments capture sunlight for photosynthesis.
Q4. The site of photosynthesis in plants is:
a) Mitochondria
b) Chloroplast ✅
c) Ribosome
d) Cytoplasm
Answer: b) Chloroplast
Explanation: Photosynthesis occurs in chloroplasts which contain chlorophyll.
Q5. Which gas is released during photosynthesis?
a) Carbon dioxide
b) Oxygen ✅
c) Nitrogen
d) Hydrogen
Answer: b) Oxygen
Explanation: Oxygen is released as a by-product when water splits during photosynthesis.
Q6. In which form is food transported in plants?
a) Glucose
b) Sucrose ✅
c) Starch
d) Amino acids
Answer: b) Sucrose
Explanation: Food is transported as soluble sugar (sucrose) through phloem.
Q7. The mode of nutrition in fungi is:
a) Autotrophic
b) Saprophytic ✅
c) Parasitic
d) Holozoic
Answer: b) Saprophytic
Explanation: Fungi obtain food from dead and decaying matter.
Q8. The mode of nutrition in humans is:
a) Autotrophic
b) Saprophytic
c) Holozoic ✅
d) Parasitic
Answer: c) Holozoic
Explanation: Humans take in complex food, digest it, and absorb nutrients (holozoic nutrition).
Q9. The enzyme present in saliva that digests starch is:
a) Pepsin
b) Ptyalin (amylase) ✅
c) Lipase
d) Trypsin
Answer: b) Ptyalin (amylase)
Explanation: Ptyalin converts starch into maltose (sugar) in the mouth.
Q10. The acid present in gastric juice is:
a) HCl ✅
b) H₂SO₄
c) Acetic acid
d) Nitric acid
Answer: a) HCl
Explanation: Hydrochloric acid kills germs and activates pepsinogen into pepsin.
Q11. The enzyme that digests proteins in the stomach is:
a) Lipase
b) Ptyalin
c) Pepsin ✅
d) Amylase
Answer: c) Pepsin
Explanation: Pepsin digests proteins into smaller peptides in acidic medium.
Q12. The complete digestion of food occurs in:
a) Stomach
b) Small intestine ✅
c) Large intestine
d) Liver
Answer: b) Small intestine
Explanation: Digestion is completed in small intestine with enzymes from pancreas and bile from liver.
Q13. Bile juice is secreted by:
a) Pancreas
b) Liver ✅
c) Gall bladder
d) Small intestine
Answer: b) Liver
Explanation: Liver produces bile, which emulsifies fats.
Q14. Which organ stores bile juice?
a) Liver
b) Pancreas
c) Gall bladder ✅
d) Small intestine
Answer: c) Gall bladder
Explanation: Gall bladder stores and releases bile into small intestine when needed.
Q15. The pancreatic juice contains enzymes that digest:
a) Carbohydrates only
b) Proteins only
c) Fats only
d) All of these ✅
Answer: d) All of these
Explanation: Pancreatic juice has amylase, trypsin, and lipase for digestion of carbs, proteins, and fats.
Q16. Which structure transports water in plants?
a) Phloem
b) Xylem ✅
c) Cambium
d) Stomata
Answer: b) Xylem
Explanation: Xylem transports water and minerals from roots to all parts of the plant.
Q17. Which structure transports food in plants?
a) Xylem
b) Phloem ✅
c) Cambium
d) Stomata
Answer: b) Phloem
Explanation: Phloem transports prepared food (sucrose) to all parts of the plant.
Q18. The opening and closing of stomata is controlled by:
a) Guard cells ✅
b) Xylem
c) Phloem
d) Cuticle
Answer: a) Guard cells
Explanation: Guard cells swell or shrink to regulate stomatal opening.
Q19. The ultimate product of photosynthesis is stored as:
a) Glucose
b) Starch ✅
c) Protein
d) Fat
Answer: b) Starch
Explanation: Glucose is converted to starch and stored in plant parts.
Q20. Which process releases energy in cells?
a) Photosynthesis
b) Respiration ✅
c) Transpiration
d) Circulation
Answer: b) Respiration
Explanation: Respiration releases energy from glucose in presence/absence of oxygen.
Q21. Aerobic respiration occurs in which cell organelle?
a) Chloroplast
b) Mitochondria ✅
c) Ribosome
d) Golgi body
Answer: b) Mitochondria
Explanation: Mitochondria are the “powerhouses” where aerobic respiration occurs.
Q22. The end products of aerobic respiration are:
a) Alcohol and CO₂
b) Lactic acid
c) CO₂ and H₂O ✅
d) Glucose and O₂
Answer: c) CO₂ and H₂O
Explanation: Aerobic respiration completely breaks down glucose into CO₂, water, and energy.
Q23. The end product of anaerobic respiration in yeast is:
a) Lactic acid
b) Alcohol and CO₂ ✅
c) Water and CO₂
d) Glucose
Answer: b) Alcohol and CO₂
Explanation: Yeast ferments glucose anaerobically to produce alcohol and CO₂.
Q24. The end product of anaerobic respiration in muscles is:
a) Lactic acid ✅
b) Alcohol
c) CO₂
d) Water
Answer: a) Lactic acid
Explanation: In muscles, anaerobic respiration forms lactic acid due to lack of oxygen.
Q25. Which blood vessels carry blood away from the heart?
a) Veins
b) Arteries ✅
c) Capillaries
d) Venules
Answer: b) Arteries
Explanation: Arteries carry oxygenated blood away from the heart to body parts (except pulmonary artery).
Life Processes – MCQs (Part 2: Q26–Q50)
Q26. Which blood vessels carry blood towards the heart?
a) Arteries
b) Veins ✅
c) Capillaries
d) Arterioles
Answer: b) Veins
Explanation: Veins bring deoxygenated blood back to the heart (except pulmonary vein which carries oxygenated blood).
Q27. Which blood vessel has valves to prevent backflow of blood?
a) Arteries
b) Veins ✅
c) Capillaries
d) Arterioles
Answer: b) Veins
Explanation: Valves in veins ensure one-way flow of blood against gravity.
Q28. Which blood vessels connect arteries and veins?
a) Arterioles
b) Capillaries ✅
c) Venules
d) Lymph vessels
Answer: b) Capillaries
Explanation: Capillaries are thin-walled vessels where exchange of gases, nutrients, and wastes occurs.
Q29. The red colour of blood is due to:
a) Platelets
b) Plasma
c) Haemoglobin ✅
d) WBCs
Answer: c) Haemoglobin
Explanation: Haemoglobin is a red pigment in RBCs that carries oxygen.
Q30. Which blood cells help in clotting?
a) WBC
b) RBC
c) Platelets ✅
d) Plasma
Answer: c) Platelets
Explanation: Platelets release factors that help in clotting of blood to prevent blood loss.
Q31. The fluid part of blood is called:
a) Serum
b) Plasma ✅
c) Lymph
d) Cytoplasm
Answer: b) Plasma
Explanation: Plasma is the liquid component of blood that carries nutrients, hormones, and waste products.
Q32. Which blood cells provide immunity to the body?
a) RBC
b) Platelets
c) WBC ✅
d) Plasma
Answer: c) WBC
Explanation: White blood cells protect against infections and diseases.
Q33. Which chamber of the human heart pumps blood to the lungs?
a) Left atrium
b) Left ventricle
c) Right atrium
d) Right ventricle ✅
Answer: d) Right ventricle
Explanation: Right ventricle pumps deoxygenated blood to lungs via pulmonary artery.
Q34. Which chamber of the human heart pumps oxygenated blood to the body?
a) Right atrium
b) Right ventricle
c) Left atrium
d) Left ventricle ✅
Answer: d) Left ventricle
Explanation: Left ventricle pumps oxygen-rich blood to the whole body through aorta.
Q35. Double circulation means:
a) Blood passes through the heart once
b) Blood passes through the heart twice in one complete cycle ✅
c) Only one type of blood flows
d) Blood does not pass through lungs
Answer: b) Blood passes through the heart twice in one complete cycle
Explanation: In humans, blood flows through heart twice: pulmonary and systemic circulation.
Q36. Which blood vessel carries oxygenated blood from lungs to heart?
a) Pulmonary vein ✅
b) Pulmonary artery
c) Aorta
d) Vena cava
Answer: a) Pulmonary vein
Explanation: Pulmonary vein carries oxygenated blood from lungs to left atrium.
Q37. Which blood vessel carries deoxygenated blood from heart to lungs?
a) Aorta
b) Pulmonary artery ✅
c) Vena cava
d) Coronary artery
Answer: b) Pulmonary artery
Explanation: Pulmonary artery is the only artery that carries deoxygenated blood.
Q38. Which organ removes nitrogenous wastes in humans?
a) Heart
b) Lungs
c) Kidney ✅
d) Liver
Answer: c) Kidney
Explanation: Kidneys filter blood and remove urea, uric acid, and other nitrogenous wastes.
Q39. The functional unit of kidney is:
a) Neuron
b) Nephron ✅
c) Neutrophil
d) Nephridia
Answer: b) Nephron
Explanation: Nephron is the structural and functional unit of kidney that filters blood.
Q40. The process of removal of wastes from the body is called:
a) Respiration
b) Excretion ✅
c) Secretion
d) Circulation
Answer: b) Excretion
Explanation: Excretion is the removal of harmful metabolic wastes from the body.
Q41. The main excretory product in humans is:
a) Urea ✅
b) Ammonia
c) Uric acid
d) Creatinine
Answer: a) Urea
Explanation: Humans are ureotelic organisms, excreting nitrogenous waste mainly as urea.
Q42. The tube connecting kidney to urinary bladder is:
a) Urethra
b) Ureter ✅
c) Nephron
d) Loop of Henle
Answer: b) Ureter
Explanation: Ureters carry urine from kidneys to bladder.
Q43. The process of release of urine is called:
a) Secretion
b) Micturition ✅
c) Filtration
d) Assimilation
Answer: b) Micturition
Explanation: Micturition is the process of expelling urine from bladder.
Q44. In plants, loss of water in vapour form occurs through:
a) Photosynthesis
b) Transpiration ✅
c) Respiration
d) Excretion
Answer: b) Transpiration
Explanation: Transpiration occurs through stomata, lenticels, and cuticle.
Q45. Which process helps in upward movement of water in tall plants?
a) Respiration
b) Transpiration pull ✅
c) Photosynthesis
d) Osmosis
Answer: b) Transpiration pull
Explanation: Loss of water through transpiration creates suction force, pulling water upward.
Q46. Which pigment captures light energy for photosynthesis?
a) Carotene
b) Xanthophyll
c) Chlorophyll ✅
d) Anthocyanin
Answer: c) Chlorophyll
Explanation: Chlorophyll absorbs sunlight and converts it to chemical energy.
Q47. The number of chambers in human heart is:
a) 2
b) 3
c) 4 ✅
d) 5
Answer: c) 4
Explanation: Human heart has 2 atria and 2 ventricles, allowing double circulation.
Q48. The blood vessel that brings blood from body parts to right atrium is:
a) Aorta
b) Pulmonary vein
c) Vena cava ✅
d) Pulmonary artery
Answer: c) Vena cava
Explanation: Vena cava carries deoxygenated blood from body to right atrium.
Q49. The plant tissue responsible for transportation of food is:
a) Xylem
b) Phloem ✅
c) Guard cells
d) Parenchyma
Answer: b) Phloem
Explanation: Phloem transports prepared food from leaves to all parts of the plant.
Q50. The enzyme that breaks down fats into fatty acids and glycerol is:
a) Amylase
b) Pepsin
c) Lipase ✅
d) Trypsin
Answer: c) Lipase
Explanation: Lipase digests fats into simpler molecules for absorption.
Life Processes – MCQs (Part 3: Q51–Q75)
Q51. Which part of nephron is responsible for filtration of blood?
a) Loop of Henle
b) Bowman’s capsule ✅
c) Collecting duct
d) Ureter
Answer: b) Bowman’s capsule
Explanation: Bowman’s capsule surrounds glomerulus where ultrafiltration of blood takes place.
Q52. Which process helps in gaseous exchange in plants?
a) Transpiration
b) Photosynthesis
c) Respiration
d) Diffusion ✅
Answer: d) Diffusion
Explanation: Gases like O₂ and CO₂ diffuse through stomata in plants.
Q53. Which organelle is called the “powerhouse of the cell”?
a) Chloroplast
b) Mitochondria ✅
c) Ribosome
d) Nucleus
Answer: b) Mitochondria
Explanation: Mitochondria release energy in the form of ATP by aerobic respiration.
Q54. Which pigment gives red colour to blood?
a) Chlorophyll
b) Haemoglobin ✅
c) Myoglobin
d) Keratin
Answer: b) Haemoglobin
Explanation: Haemoglobin is a red pigment in RBCs that carries oxygen.
Q55. Which artery supplies oxygenated blood to the entire body?
a) Pulmonary artery
b) Pulmonary vein
c) Aorta ✅
d) Vena cava
Answer: c) Aorta
Explanation: Aorta is the main artery carrying oxygenated blood from left ventricle to all body parts.
Q56. Which organ in humans is responsible for oxygenation of blood?
a) Heart
b) Lungs ✅
c) Kidney
d) Liver
Answer: b) Lungs
Explanation: Lungs oxygenate blood by exchanging gases with air in alveoli.
Q57. The balloon-like structures in lungs where exchange of gases occurs are:
a) Bronchi
b) Alveoli ✅
c) Trachea
d) Diaphragm
Answer: b) Alveoli
Explanation: Alveoli are tiny sacs with large surface area for gaseous exchange.
Q58. Which organ helps in pumping blood in human body?
a) Lungs
b) Heart ✅
c) Kidney
d) Brain
Answer: b) Heart
Explanation: Heart pumps blood continuously to maintain circulation.
Q59. Which waste product is removed by lungs?
a) Urea
b) Carbon dioxide ✅
c) Ammonia
d) Salts
Answer: b) Carbon dioxide
Explanation: Lungs excrete carbon dioxide produced during respiration.
Q60. The dome-shaped muscle that helps in breathing is:
a) Trachea
b) Diaphragm ✅
c) Larynx
d) Epiglottis
Answer: b) Diaphragm
Explanation: Contraction and relaxation of diaphragm help in inhalation and exhalation.
Q61. Which process provides energy for all life activities?
a) Photosynthesis
b) Respiration ✅
c) Digestion
d) Circulation
Answer: b) Respiration
Explanation: Respiration breaks down glucose to release energy in the form of ATP.
Q62. Which part of the alimentary canal absorbs digested food?
a) Stomach
b) Small intestine ✅
c) Large intestine
d) Rectum
Answer: b) Small intestine
Explanation: Villi in the small intestine absorb digested food into blood.
Q63. Which part of the alimentary canal absorbs water?
a) Stomach
b) Small intestine
c) Large intestine ✅
d) Liver
Answer: c) Large intestine
Explanation: Large intestine absorbs excess water from undigested food.
Q64. Which gas is essential for aerobic respiration?
a) Carbon dioxide
b) Oxygen ✅
c) Nitrogen
d) Hydrogen
Answer: b) Oxygen
Explanation: Oxygen is required to completely oxidize glucose in aerobic respiration.
Q65. Which molecule is the main source of energy in cells?
a) DNA
b) RNA
c) ATP ✅
d) Protein
Answer: c) ATP
Explanation: ATP (adenosine triphosphate) stores and provides energy for cellular functions.
Q66. In humans, exchange of gases takes place in:
a) Trachea
b) Bronchi
c) Alveoli ✅
d) Pharynx
Answer: c) Alveoli
Explanation: Alveoli are thin-walled structures where O₂ diffuses into blood and CO₂ diffuses out.
Q67. Which part of blood carries oxygen?
a) Plasma
b) RBC ✅
c) WBC
d) Platelets
Answer: b) RBC
Explanation: Red blood cells contain haemoglobin, which binds and carries oxygen.
Q68. Which part of nephron reabsorbs water and nutrients?
a) Bowman’s capsule
b) Tubule ✅
c) Glomerulus
d) Collecting duct
Answer: b) Tubule
Explanation: The tubular part of nephron reabsorbs useful substances like glucose, amino acids, and water.
Q69. What is the ultimate site for digestion and absorption of food in humans?
a) Stomach
b) Small intestine ✅
c) Large intestine
d) Pancreas
Answer: b) Small intestine
Explanation: Small intestine completes digestion with enzymes and absorbs nutrients.
Q70. The waste product excreted in urine is mainly:
a) Carbon dioxide
b) Urea ✅
c) Oxygen
d) Sugar
Answer: b) Urea
Explanation: Kidneys excrete urea, a nitrogenous waste formed in liver.
Q71. The enzyme that breaks proteins into peptides is:
a) Lipase
b) Amylase
c) Pepsin ✅
d) Trypsin
Answer: c) Pepsin
Explanation: Pepsin in stomach digests proteins into smaller peptides.
Q72. Which type of respiration produces more energy?
a) Anaerobic respiration
b) Aerobic respiration ✅
c) Fermentation
d) Muscle respiration
Answer: b) Aerobic respiration
Explanation: Aerobic respiration completely oxidizes glucose and produces 36–38 ATP.
Q73. Which pigment in RBC helps in transport of oxygen?
a) Myoglobin
b) Haemoglobin ✅
c) Keratin
d) Melanin
Answer: b) Haemoglobin
Explanation: Haemoglobin binds oxygen in lungs and releases it in tissues.
Q74. Which structure prevents entry of food into trachea?
a) Epiglottis ✅
b) Glottis
c) Pharynx
d) Diaphragm
Answer: a) Epiglottis
Explanation: Epiglottis closes the trachea during swallowing, preventing choking.
Q75. Which organ filters nitrogenous wastes from blood?
a) Liver
b) Kidney ✅
c) Lungs
d) Heart
Answer: b) Kidney
Explanation: Kidneys filter blood through nephrons and remove urea and other wastes.
Life Processes – MCQs (Part 4: Q76–Q100)
Q76. Which process provides oxygen for respiration in plants?
a) Photosynthesis ✅
b) Transpiration
c) Excretion
d) Circulation
Answer: a) Photosynthesis
Explanation: Photosynthesis releases oxygen, which is used in respiration by plants and animals.
Q77. Which part of nephron collects urine before passing to ureter?
a) Bowman’s capsule
b) Tubule
c) Collecting duct ✅
d) Glomerulus
Answer: c) Collecting duct
Explanation: Collecting duct collects urine from nephron tubules and passes it to ureter.
Q78. Which structure regulates the opening and closing of stomata?
a) Epidermis
b) Guard cells ✅
c) Cuticle
d) Mesophyll
Answer: b) Guard cells
Explanation: Guard cells swell or shrink to regulate stomatal aperture.
Q79. Which part of human digestive system absorbs water and minerals?
a) Stomach
b) Small intestine
c) Large intestine ✅
d) Rectum
Answer: c) Large intestine
Explanation: Large intestine absorbs water and salts from undigested food.
Q80. The respiratory pigment in human blood is:
a) Chlorophyll
b) Haemoglobin ✅
c) Myoglobin
d) Plasma
Answer: b) Haemoglobin
Explanation: Haemoglobin in RBCs transports oxygen and carbon dioxide.
Q81. Which part of the heart receives deoxygenated blood from the body?
a) Left atrium
b) Right atrium ✅
c) Right ventricle
d) Left ventricle
Answer: b) Right atrium
Explanation: Right atrium receives deoxygenated blood via vena cava.
Q82. Which chamber of the heart pumps blood to the lungs?
a) Right atrium
b) Right ventricle ✅
c) Left atrium
d) Left ventricle
Answer: b) Right ventricle
Explanation: Right ventricle pumps deoxygenated blood to lungs through pulmonary artery.
Q83. Which chamber of the heart pumps oxygenated blood to body parts?
a) Right atrium
b) Left atrium
c) Left ventricle ✅
d) Right ventricle
Answer: c) Left ventricle
Explanation: Left ventricle pumps oxygenated blood into the aorta.
Q84. Which organ is the main site of digestion and absorption in humans?
a) Stomach
b) Small intestine ✅
c) Large intestine
d) Rectum
Answer: b) Small intestine
Explanation: Small intestine completes digestion and absorbs nutrients via villi.
Q85. Which blood vessel carries oxygenated blood from lungs to heart?
a) Pulmonary artery
b) Pulmonary vein ✅
c) Aorta
d) Vena cava
Answer: b) Pulmonary vein
Explanation: Pulmonary vein brings oxygen-rich blood from lungs to left atrium.
Q86. Which blood vessel carries deoxygenated blood from heart to lungs?
a) Aorta
b) Pulmonary artery ✅
c) Vena cava
d) Coronary artery
Answer: b) Pulmonary artery
Explanation: Pulmonary artery carries deoxygenated blood to lungs for oxygenation.
Q87. Which plant tissue transports water?
a) Phloem
b) Xylem ✅
c) Cambium
d) Collenchyma
Answer: b) Xylem
Explanation: Xylem transports water and minerals from roots to all plant parts.
Q88. Which plant tissue transports food?
a) Xylem
b) Phloem ✅
c) Collenchyma
d) Parenchyma
Answer: b) Phloem
Explanation: Phloem carries prepared food (mainly sucrose) from leaves to other parts.
Q89. Which blood cells fight infections in humans?
a) RBC
b) WBC ✅
c) Platelets
d) Plasma
Answer: b) WBC
Explanation: White blood cells act as body’s defense against pathogens.
Q90. Which organ filters nitrogenous waste from blood?
a) Heart
b) Kidney ✅
c) Lungs
d) Liver
Answer: b) Kidney
Explanation: Kidneys remove urea and other wastes through urine formation.
Q91. Which part of nephron reabsorbs useful substances?
a) Tubule ✅
b) Bowman’s capsule
c) Collecting duct
d) Glomerulus
Answer: a) Tubule
Explanation: The tubular portion reabsorbs glucose, amino acids, salts, and water.
Q92. The product of anaerobic respiration in muscles is:
a) Alcohol
b) Lactic acid ✅
c) CO₂
d) Water
Answer: b) Lactic acid
Explanation: In absence of oxygen, glucose breaks into lactic acid in muscles.
Q93. Which part of alimentary canal stores undigested food before egestion?
a) Small intestine
b) Rectum ✅
c) Large intestine
d) Oesophagus
Answer: b) Rectum
Explanation: Rectum stores faeces before elimination.
Q94. Which part of alimentary canal is the longest?
a) Stomach
b) Small intestine ✅
c) Large intestine
d) Oesophagus
Answer: b) Small intestine
Explanation: Small intestine is longest and site of complete digestion and absorption.
Q95. Which process in plants removes excess water?
a) Photosynthesis
b) Transpiration ✅
c) Respiration
d) Excretion
Answer: b) Transpiration
Explanation: Transpiration removes extra water via stomata, lenticels, and cuticle.
Q96. Which organ removes carbon dioxide from blood?
a) Kidney
b) Lungs ✅
c) Heart
d) Liver
Answer: b) Lungs
Explanation: Lungs excrete CO₂ produced during respiration.
Q97. Which organ produces bile juice?
a) Pancreas
b) Liver ✅
c) Gall bladder
d) Stomach
Answer: b) Liver
Explanation: Liver secretes bile which emulsifies fats.
Q98. Which organ stores bile juice?
a) Pancreas
b) Liver
c) Gall bladder ✅
d) Small intestine
Answer: c) Gall bladder
Explanation: Gall bladder stores bile and releases it into small intestine.
Q99. The enzyme that digests fats is:
a) Amylase
b) Lipase ✅
c) Pepsin
d) Trypsin
Answer: b) Lipase
Explanation: Lipase breaks down fats into fatty acids and glycerol.
Q100. The ultimate source of energy for all living beings is:
a) Food
b) Sunlight ✅
c) Oxygen
d) Water
Answer: b) Sunlight
Explanation: Sunlight provides energy for photosynthesis, which supports all food chains.
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❓ FAQ Section
Q1. Why are Life Processes MCQs important for Class 10 students?
They cover essential topics like nutrition, respiration, transportation, and excretion, which are highly important for CBSE board exams.
Q2. How many MCQs should I practice for Life Processes chapter?
Practicing around 80–100 MCQs with explanations ensures thorough preparation and better retention of concepts.
Q3. What type of questions are asked from Life Processes in Class 10 board exams?
Questions usually come from photosynthesis, respiration, circulation of blood, nephron functions, stomatal activity, and excretion.
Q4. Are these MCQs useful for competitive exams like NTSE or Olympiads?
Yes, they are helpful not only for CBSE Class 10 exams but also for NTSE, Olympiads, and other school-level science tests.
Q5. Do these MCQs include both plant and animal life processes?
Yes, the MCQs comprehensively cover life processes in both plants and animals, making them exam-ready.
