Top 40 High-Yield MCQs on Life Processes for GNM, ANM, and Diploma Entrance Exams (2025-26)
Top 40 High-Yield MCQs on Life Processes for GNM, ANM, and Diploma Entrance Exams (2025-26)
Are you preparing for the GNM (General Nursing and Midwifery), ANM (Auxiliary Nurse Midwifery), or any Paramedical Diploma entrance exam? If yes, then the "Life Processes" chapter from Class 10 Science is one of the most crucial topics you need to master.
In medical entrance exams, basic biology forms the foundation. To help you ace your preparation, we have compiled the top 40 high-yielding Multiple Choice Questions (MCQs) that cover Nutrition, Respiration, Transportation, and Excretion.
Why is 'Life Processes' Important?
Life processes are the basic functions performed by living organisms to survive on earth. For nursing and diploma students, understanding the human digestive system, circulatory system, and excretory functions is essential as these concepts are directly related to your future clinical studies.Section A: Nutrition
Which of the following are autotrophs?
a) Green plants and some bacteria
b) All animals
c) Fungi
d) All bacteria
The movement of food in the phloem is called:
a) Transpiration
b) Translocation
c) Respiration
d) Evaporation
What is the mode of nutrition in fungi?
a) Autotrophic
b) Holozoic
c) Saprotrophic
d) Parasitic
Which enzyme is present in saliva?
a) Pepsin
b) Trypsin
c) Amylase
d) Lipase
The internal (cellular) energy reserve in autotrophs is:
a) Glycogen
b) Protein
c) Starch
d) Fatty acids
The opening and closing of the stomatal pore depends upon:
a) Oxygen
b) Temperature
c) Water in guard cells
d) Concentration of CO2
Bile juice is secreted by:
a) Stomach
b) Pancreas
c) Small intestine
d) Liver
Which part of the alimentary canal receives bile from the liver?
a) Stomach
b) Small intestine
c) Large intestine
d) Esophagus
The process of digestion of food in humans begins in:
a) Stomach
b) Small intestine
c) Mouth
d) Large intestine
The finger-like projections (villi) are present in:
a) Small intestine
b) Large intestine
c) Stomach
d) Esophagus
Section B: Respiration
The breakdown of pyruvate to give carbon dioxide, water, and energy takes place in:
a) Cytoplasm
b) Mitochondria
c) Chloroplast
d) Nucleus
In which of the following groups of organisms, food material is broken down outside the body and absorbed?
a) Mushroom, Green plants, Amoeba
b) Yeast, Mushroom, Bread mould
c) Paramecium, Amoeba, Cuscuta
d) Cuscuta, Lice, Tapeworm
Glycolysis process occurs in which part of the cell?
a) Cytoplasm
b) Mitochondria
c) Ribosomes
d) Nucleus
During vigorous physical exercise, lactic acid is formed from pyruvate in our muscle cells because of:
a) Lack of oxygen
b) Lack of water
c) Excess of carbon dioxide
d) Lack of nitrogen
The respiratory pigment in human beings is:
a) Carotene
b) Chlorophyll
c) Hemoglobin
d) Mitochondria
Which of the following prevents the collapse of the trachea?
a) Diaphragm
b) Ribs
c) Cartilaginous rings
d) Muscles
During exhalation, the ribs:
a) Move outwards
b) Move downwards
c) Move upwards
d) Do not move
The exchange of gases in the lungs takes place in:
a) Bronchi
b) Alveoli
c) Bronchioles
d) Trachea
The correct sequence of anaerobic respiration in yeast is:
a) Glucose $\rightarrow$ Pyruvate $\rightarrow$ Ethanol + $CO_2$
b) Glucose $\rightarrow$ Pyruvate $\rightarrow$ Lactic acid
c) Glucose $\rightarrow$ Pyruvate $\rightarrow$ $CO_2$ + $H_2O$
d) Glucose $\rightarrow$ Pyruvate $\rightarrow$ Ethanol + Lactic acid
Which organelle is called the powerhouse of the cell?
a) Nucleus
b) Mitochondria
c) Golgi body
d) Ribosomes
Section C: Transportation
Which of the following carries oxygenated blood from lungs to the heart?
a) Pulmonary Artery
b) Pulmonary Vein
c) Vena Cava
d) Aorta
The blood vessel which carries deoxygenated blood from the heart to the lungs is:
a) Pulmonary Artery
b) Pulmonary Vein
c) Aorta
d) Vena Cava
Normal blood pressure in a healthy adult human is:
a) 120/80 mm Hg
b) 100/60 mm Hg
c) 140/90 mm Hg
d) 80/120 mm Hg
Which of the following has the thickest wall?
a) Right Auricle
b) Left Auricle
c) Right Ventricle
d) Left Ventricle
The upward movement of water and minerals from roots to leaves is called:
a) Translocation
b) Transpiration pull
c) Photosynthesis
d) Excretion
Which component of blood helps in clotting at the site of injury?
a) RBCs
b) WBCs
c) Platelets
d) Plasma
Single circulation (blood flows through the heart only once) is found in:
a) Humans
b) Whale
c) Fish (e.g., Hippocampus)
d) Frog
The instrument used to measure blood pressure is:
a) Stethoscope
b) Sphygmomanometer
c) Thermometer
d) Potometer
What prevents the backflow of blood inside the heart during contraction?
a) Thick muscular walls of ventricles
b) Valves in heart
c) Thin walls of atria
d) All of the above
Lymph differs from blood in possessing:
a) No RBCs
b) No WBCs
c) More RBCs and less WBCs
d) More RBCs and more WBCs
Section D: Excretion
The basic filtration unit of the human kidney is:
a) Neuron
b) Nephron
c) Nephridia
d) Ureter
The procedure used in the case of kidney failure is:
a) Dialysis
b) Transplantation
c) Blood transfusion
d) Both a and b
The part of the nephron where maximum reabsorption of useful substances occurs is:
a) Glomerulus
b) Bowman’s Capsule
c) Proximal Convoluted Tubule (PCT)
d) Collecting duct
Excretory product of plants stored in old xylem is:
a) Resin and Gum
b) Latex
c) Essential oils
d) Mucilage
The muscular tube that carries urine from the kidney to the urinary bladder is:
a) Urethra
b) Ureter
c) Nephron
d) Urinary meatus
Which of the following is not a nitrogenous waste?
a) Urea
b) Uric acid
c) Ammonia
d) Carbon dioxide
Bowman’s capsule and Glomerulus together form:
a) Malpighian body
b) Nephron
c) Renal artery
d) Loop of Henle
The process of removal of toxic metabolic wastes from the body is:
a) Nutrition
b) Respiration
c) Excretion
d) Transportation
In Amoeba, excretion takes place through:
a) Contractile vacuole
b) Cell membrane/diffusion
c) Nucleus
d) Pseudopodia
The artificial kidney works on the principle of:
a) Diffusion
b) Osmosis
c) Active transport
d) Dialysis
Answer Key
| Q.No | Ans | Q.No | Ans | Q.No | Ans | Q.No | Ans |
| 1 | a | 11 | b | 21 | b | 31 | b |
| 2 | b | 12 | b | 22 | a | 32 | d |
| 3 | c | 13 | a | 23 | a | 33 | c |
| 4 | c | 14 | a | 24 | d | 34 | a |
| 5 | c | 15 | c | 25 | b | 35 | b |
| 6 | c | 16 | c | 26 | c | 36 | d |
| 7 | d | 17 | b | 27 | c | 37 | a |
| 8 | b | 18 | b | 28 | b | 38 | c |
| 9 | c | 19 | a | 29 | b | 39 | b |
| 10 | a | 20 | b | 30 | a | 40 | d |
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