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Question for SMC Laboratory Technician - Quiz / Questions / MCQ in English

Last Update on : October 11, 2026

Duration: 120 · Questions: 100 · Max Marks: 100

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To boost your performance in SMC Laboratory Technician exam, practice each question regularly and with focus. Every question tests your subject understanding, so solve them one at a time. Taking a quiz improves your speed and accuracy. Practicing topic-wise MCQs. Students benefit greatly from reviewing questions with answer keys, which help clarify concepts and strengthen Questions knowledge for success in SMC Laboratory Technician exams.

Latest SMC Laboratory Technician Exam Question (Objective Questions), MCQ in English

Subjects : Subject Related Knowledge, Regarding basic knowledge of computers (CCC level), General knowledge, Current Affairs (Gujarat State Affairs), Gujarati and English language

Question Bank SMC Laboratory Technician Exam - English

Subject Related Knowledge

Q 1 :
Which type of bone is primarily responsible for protection of vital organs such as the brain and thoracic cavity?
  1. A.Sesamoid bones
  2. B.Flat bones
  3. C.Irregular bones
  4. D.Pneumatic bones
Q 2 :
Which structure forms the functional unit of skeletal muscle contraction?
  1. A.Osteon
  2. B.Sarcomere
  3. C.Nephron
  4. D.Alveolus
Q 3 :
Which cranial nerve is responsible for parasympathetic control of the heart and digestive tract?
  1. A.Trigeminal nerve
  2. B.Optic nerve
  3. C.Vagus nerve
  4. D.Olfactory nerve
Q 4 :
Which chamber of the heart has the thickest myocardium due to its pumping function?
  1. A.Left ventricle
  2. B.Right atrium
  3. C.Left atrium
  4. D.Right ventricle
Q 5 :
Which type of joint permits rotational movement around a single axis?
  1. A.Condyloid joint
  2. B.Saddle joint
  3. C.Pivot joint
  4. D.Plane joint
Q 6 :
Which protein in skeletal muscle binds calcium ions during contraction?
  1. A.Elastin
  2. B.Keratin
  3. C.Troponin
  4. D.Collagen
Q 7 :
Which part of the nephron is primarily responsible for selective reabsorption of glucose and amino acids?
  1. A.Loop of Henle
  2. B.Proximal convoluted tubule
  3. C.Distal convoluted tubule
  4. D.Collecting duct
Q 8 :
Which component of blood is mainly responsible for maintenance of colloidal osmotic pressure?
  1. A.Platelets
  2. B.Fibrinogen
  3. C.Hemoglobin
  4. D.Albumin
Q 9 :
Which region of the brain regulates body temperature and endocrine activity?
  1. A.Cerebellum
  2. B.Hypothalamus
  3. C.Medulla oblongata
  4. D.Occipital lobe
Q 10 :
Which cells are responsible for formation of the myelin sheath in the central nervous system?
  1. A.Astrocytes
  2. B.Schwann cells
  3. C.Oligodendrocytes
  4. D.Microglia
Q 11 :
Which respiratory structure provides the maximum surface area for gaseous exchange?
  1. A.Bronchioles
  2. B.Alveoli
  3. C.Trachea
  4. D.Pleura
Q 12 :
Which electrolyte is most abundant in intracellular fluid?
  1. A.Calcium
  2. B.Sodium
  3. C.Chloride
  4. D.Potassium
Q 13 :
Which layer of the gastrointestinal tract contains the myenteric plexus responsible for gut motility?
  1. A.Muscularis externa
  2. B.Submucosa
  3. C.Serosa
  4. D.Lamina propria
Q 14 :
Which hormone primarily increases blood calcium concentration?
  1. A.Insulin
  2. B.Calcitonin
  3. C.Aldosterone
  4. D.Parathyroid hormone
Q 15 :
Which blood vessel carries oxygenated blood from the lungs to the heart?
  1. A.Pulmonary veins
  2. B.Pulmonary arteries
  3. C.Coronary sinus
  4. D.Superior vena cava
Q 16 :
Which connective tissue fibers provide maximum tensile strength?
  1. A.Neuroglial fibers
  2. B.Reticular fibers
  3. C.Elastic fibers
  4. D.Collagen fibers
Q 17 :
Which part of the ear is responsible for maintenance of equilibrium?
  1. A.Tympanic membrane
  2. B.Cochlea
  3. C.Semicircular canals
  4. D.Organ of Corti
Q 18 :
Which enzyme initiates protein digestion in the stomach?
  1. A.Lipase
  2. B.Trypsin
  3. C.Maltase
  4. D.Pepsin
Q 19 :
Which structure separates oxygenated and deoxygenated blood in the adult heart?
  1. A.Chordae tendineae
  2. B.Papillary muscles
  3. C.Interventricular septum
  4. D.Trabeculae carneae
Q 20 :
Which type of muscle is involuntary, striated, and branched?
  1. A.Visceral muscle
  2. B.Skeletal muscle
  3. C.Smooth muscle
  4. D.Cardiac muscle
Q 21 :
Which organ acts as the primary lymphoid organ for T-lymphocyte maturation?
  1. A.Thymus
  2. B.Spleen
  3. C.Tonsil
  4. D.Appendix
Q 22 :
Which physiological mechanism prevents backflow of blood in veins?
  1. A.Cardiac pacemaker activity
  2. B.Elastic recoil
  3. C.Venous valves
  4. D.Pulmonary resistance
Q 23 :
Which cranial bone contains the foramen magnum?
  1. A.Occipital bone
  2. B.Frontal bone
  3. C.Temporal bone
  4. D.Parietal bone
Q 24 :
Which cells secrete hydrochloric acid in the stomach?
  1. A.Parietal cells
  2. B.Chief cells
  3. C.Goblet cells
  4. D.Kupffer cells
Q 25 :
Which type of epithelium lines the alveoli for efficient gas exchange?
  1. A.Transitional epithelium
  2. B.Simple squamous epithelium
  3. C.Stratified cuboidal epithelium
  4. D.Pseudostratified epithelium
Q 26 :
Which part of the autonomic nervous system is responsible for “fight or flight” responses?
  1. A.Somatic nervous system
  2. B.Parasympathetic nervous system
  3. C.Sympathetic nervous system
  4. D.Enteric nervous system
Q 27 :
Which blood component is chiefly responsible for clot formation?
  1. A.Erythrocytes
  2. B.Platelets
  3. C.Plasma albumin
  4. D.Lymphocytes
Q 28 :
Which valve prevents regurgitation from the left ventricle into the left atrium?
  1. A.Pulmonary valve
  2. B.Mitral valve
  3. C.Tricuspid valve
  4. D.Aortic valve
Q 29 :
Which region of the spinal cord contains motor neuron cell bodies?
  1. A.Ventral horn
  2. B.Dorsal horn
  3. C.Posterior column
  4. D.Lateral funiculus
Q 30 :
Which respiratory volume represents the amount of air remaining after maximal expiration?
  1. A.Residual volume
  2. B.Tidal volume
  3. C.Inspiratory reserve volume
  4. D.Vital capacity
Q 31 :
Which bone is classified as a sesamoid bone?
  1. A.Femur
  2. B.Patella
  3. C.Scapula
  4. D.Ulna
Q 32 :
Which organ produces bile necessary for fat emulsification?
  1. A.Kidney
  2. B.Pancreas
  3. C.Spleen
  4. D.Liver
Q 33 :
Which type of white blood cell is most abundant in normal peripheral blood?
  1. A.Basophils
  2. B.Neutrophils
  3. C.Eosinophils
  4. D.Monocytes
Q 34 :
Which structure initiates the electrical impulse in the heart?
  1. A.Atrioventricular node
  2. B.Sinoatrial node
  3. C.Bundle of His
  4. D.Purkinje fibers
Q 35 :
Which hormone primarily regulates water reabsorption in the kidneys?
  1. A.Thyroxine
  2. B.Antidiuretic hormone
  3. C.Calcitonin
  4. D.Growth hormone
Q 36 :
Which membrane surrounds the lungs directly?
  1. A.Pericardium
  2. B.Parietal peritoneum
  3. C.Visceral pleura
  4. D.Endocardium
Q 37 :
Which type of cartilage is found in intervertebral discs?
  1. A.Fibrocartilage
  2. B.Elastic cartilage
  3. C.Hyaline cartilage
  4. D.Calcified cartilage
Q 38 :
Which structure in the skin is responsible for thermoregulation through sweat secretion?
  1. A.Hair follicle
  2. B.Sebaceous gland
  3. C.Eccrine gland
  4. D.Merkel disc
Q 39 :
Which vitamin is essential for synthesis of clotting factors in the liver?
  1. A.Vitamin A
  2. B.Vitamin C
  3. C.Vitamin D
  4. D.Vitamin K
Q 40 :
Which layer of the heart wall is composed mainly of cardiac muscle tissue?
  1. A.Endocardium
  2. B.Epicardium
  3. C.Myocardium
  4. D.Pericardium
Q 41 :
Which structure connects muscle to bone?
  1. A.Fascia
  2. B.Ligament
  3. C.Tendon
  4. D.Bursa
Q 42 :
Which respiratory center is primarily responsible for rhythmic breathing control?
  1. A.Medulla oblongata
  2. B.Thalamus
  3. C.Cerebellum
  4. D.Hippocampus
Q 43 :
Which cells are the primary phagocytic cells of the nervous system?
  1. A.Ependymal cells
  2. B.Astrocytes
  3. C.Schwann cells
  4. D.Microglia
Q 44 :
Which part of the digestive tract absorbs the majority of nutrients?
  1. A.Esophagus
  2. B.Cecum
  3. C.Rectum
  4. D.Jejunum
Q 45 :
Which type of blood vessel has the thickest tunica media?
  1. A.Veins
  2. B.Arteries
  3. C.Venules
  4. D.Capillaries
Q 46 :
Which physiological process moves food through the alimentary canal?
  1. A.Filtration
  2. B.Peristalsis
  3. C.Diffusion
  4. D.Coagulation
Q 47 :
Which structure acts as the filtration barrier in the renal corpuscle?
  1. A.Vasa recta
  2. B.Collecting duct
  3. C.Renal pelvis
  4. D.Glomerulus
Q 48 :
Which hormone stimulates red blood cell production in bone marrow?
  1. A.Erythropoietin
  2. B.Aldosterone
  3. C.Prolactin
  4. D.Gastrin
Q 49 :
Which type of immunity results from direct exposure to a pathogen?
  1. A.Active immunity
  2. B.Passive immunity
  3. C.Innate immunity
  4. D.Artificial tolerance
Q 50 :
Which structure of the neuron receives incoming signals from other neurons?
  1. A.Dendrites
  2. B.Axon hillock
  3. C.Synaptic cleft
  4. D.Myelin sheath

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