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MCQ on NEET for Students
What type of dentition involves the development of two sets of teeth—milk teeth followed by adult teeth?
(A) Thecodont
(B) Diphyodont
(C) Homodont
(D) None of these
Option b – Diphyodont
Choose the INCORRECT statement regarding the kidney.
(A) Malpighian corpuscle, proximal convoluted tubule, and distal convoluted tubule are located in the medullary region
(B) Efferent arteriole carries blood out of the glomerulus
(C) Cortical nephrons have a short Henle’s loop extending slightly into the medulla
(D) Vasa recta runs alongside Henle’s loop
Option a – Malpighian corpuscle, proximal convoluted tubule, and distal convoluted tubule are located in the medullary region
Which blood cell fits all of the following features: biconcave shape, lacks a nucleus, and lives for about 120 days?
(A) White blood cells
(B) Red blood cells
(C) Platelets
(D) Agranulocytes
Option b – Red blood cells
Which structure is responsible for initiating the process of urine formation?
(A) Glomerulus
(B) Distal convoluted tubule
(C) Proximal convoluted tubule
(D) Collecting duct
Option a – Glomerulus
Select the structure that differs in the nature of blood it transports.
(A) Aorta
(B) Left ventricle
(C) Left atrium
(D) Superior vena cava
Option d – Superior vena cava
In infants, which enzyme present in gastric juice aids digestion?
(A) Enzyme that activates pepsinogen
(B) Enzyme that digests fats into glycerol
(C) Enzyme found in infant gastric fluid
(D) Enzyme with antibacterial action
Option c – Enzyme found in infant gastric fluid
Read the following and choose the right option.
Statement I: Ammonia is the least toxic nitrogenous waste.
Statement II: In mammals, the liver converts ammonia into urea.
(A) Only Statement I is true
(B) Only Statement II is true
(C) Both Statements I and II are true
(D) Both Statements I and II are false
Option b – Only Statement II is true
Cardiac output is defined as:
(A) Just the stroke volume
(B) Product of stroke volume and heart rate
(C) Only the heart rate
(D) Stroke volume minus heart rate
Option b – Product of stroke volume and heart rate
Which of these is absent in bile released into the duodenum?
(A) Bilirubin
(B) Cholesterol
(C) Phospholipids
(D) Enzymes
Option d – Enzymes
Which group of animals has a four-chambered heart?
(A) Amphibians and reptiles
(B) Mammals and all reptiles
(C) Mammals and birds
(D) Amphibians and fishes
Option c – Mammals and birds
What structure anchors the tongue to the floor of the mouth?
(A) Frenulum
(B) Papillae
(C) Colon
(D) Villi
Option a – Frenulum
Identify the INCORRECT fact about the human excretory system.
(A) Kidneys lie between the last thoracic and third lumbar vertebrae
(B) Blood vessels, nerves, and ureters enter the kidney via the hilum
(C) The kidney is enclosed in a tough outer capsule
(D) The medulla creates columns called Bertini between the pyramids
Option d – The medulla creates columns called Bertini between the pyramids
Choose the wrong statement regarding the sinoatrial (SA) node.
(A) It regulates rhythmic heart contractions
(B) It can produce 70–75 impulses per minute
(C) It is a specialized type of tissue
(D) It is located in the lower-left region of the right atrium
Option d – It is located in the lower-left region of the right atrium
Pick the incorrectly matched pair.
(A) Sublingual gland – Below the tongue
(B) Parotid gland – In the cheek
(C) Submandibular gland – Lower jaw
(D) Submaxillary gland – Upper jaw
Option d – Submaxillary gland – Upper jaw
What is a symptom of glomerulonephritis?
(A) Kidney stones formed by oxalates
(B) Excess urea build-up in kidneys
(C) Inflammation of the glomeruli
(D) Arterial narrowing
Option c – Inflammation of the glomeruli
The bicuspid valve is located between:
(A) Left atrium and left ventricle
(B) Right atrium and right ventricle
(C) Left atrium and right ventricle
(D) Right atrium and left ventricle
Option a – Left atrium and left ventricle
Which intestinal epithelial cells secrete mucus for lubrication?
(A) Parotid cells
(B) Goblet cells
(C) Chief cells
(D) Oxyntic cells
Option b – Goblet cells
Choose the correct match for the mode of nitrogen excretion:
(A) Bony fishes and aquatic amphibians – Ureotelic
(B) Terrestrial amphibians and marine fishes – Ureotelic
(C) Reptiles and land snails – Ammonotelic
(D) Mammals and birds – Uricotelic
Option b – Terrestrial amphibians and marine fishes – Ureotelic
What is the typical human blood pressure (diastolic/systolic)?
(A) 150/70 mm Hg
(B) 120/90 mm Hg
(C) 80/120 mm Hg
(D) 40/190 mm Hg
Option c – 80/120 mm Hg
Which part of the stomach connects with the duodenum?
(A) Fundus
(B) Cardiac
(C) Pylorus
(D) Ileum
Option c – Pylorus
Choose the correct statement about kidney function control.
(A) Angiotensin II acts as a strong vasoconstrictor
(B) Aldosterone secretion reduces blood pressure and filtration rate
(C) High fluid volume promotes ADH release
(D) ADH converts angiotensinogen into angiotensin II
Option a – Angiotensin II acts as a strong vasoconstrictor
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