MDCAT Online Entry Test Preparation - MIMS

  HUMAN HEART MCQs 1. The human heart is enclosed in: A) Pleura B) Pericardium C) Peritoneum D) Meninges Answer: B) Pericardium 2. The septum separates: A) Arteries and veins B) Atria and ventricles C) Right and left sides of heart D) Valves and chambers Answer: C) Right and left sides of heart 3. Tricuspid valve is present between: A) Left atrium & left ventricle B) Right atrium & right ventricle C) Left ventricle & aorta D) Right ventricle & pulmonary artery Answer: B) Right atrium & right ventricle 4. Which part prevents backflow of blood into left ventricle? A) Tricuspid valve B) Bicuspid valve C) Aortic semilunar valve D) Pulmonary valve Answer: C) Aortic semilunar valve 5. The right ventricle pumps blood to: A) Body B) Lungs C) Liver D) Kidneys Answer: B) Lungs CARDIAC CYCLE & HEARTBEAT MCQs 6. Duration of one cardiac cycle in a normal human is: A) 0.5 sec B) 0.8 sec C) 1.2 sec D) 2 sec Answer: B) 0.8 sec 7. The “lub” sound is produced by closure...

MDCAT Important MCQs (Inheritance) Mendel’s Laws 1. Mendel’s law of segregation states that: A) Genes blend B) Alleles separate during gamete formation C) Genes mutate D) Traits are linked Answer: B 2. Law of independent assortment is valid when genes are: A) Linked B) On same chromosome C) On different chromosomes D) Dominant Answer: C 3. The genotypic ratio of a monohybrid cross (F₂) is: A) 3:1 B) 1:2:1 C) 9:3:3:1 D) 2:1 Answer: B 4. Test cross is used to determine: A) Phenotype B) Genotype C) Mutation D) Linkage Answer: B 5. A dihybrid cross produces how many gamete types? A) 2 B) 4 C) 8 D) 16 Answer: B 6. Back cross is a cross between: A) F₁ × recessive parent B) F₁ × dominant parent C) F₁ × F₁ D) Parent × parent Answer: A 7. Phenotypic ratio 9:3:3:1 indicates: A) Linkage B) Independent assortment C) Mutation D) Codominance Answer: B Gene Linkage & Crossing Over 8. Linked genes are located on: A) Different chromosomes B) Same chromosome C) Ribosomes D) Cytoplasm Answer: ...

  🧠 Nervous System MCQs 1. The basic functional unit of the nervous system is: A) Axon B) Dendrite C) Neuron D) Synapse ✅ Answer: C) Neuron 2. Which part of the neuron receives impulses? A) Axon B) Dendrites C) Node of Ranvier D) Myelin sheath ✅ Answer: B) Dendrites 3. The gap between two neurons is called: A) Node B) Synapse C) Axon terminal D) Receptor ✅ Answer: B) Synapse 4. Which neurotransmitter is involved in muscle contraction? A) Dopamine B) Serotonin C) Acetylcholine D) Adrenaline ✅ Answer: C) Acetylcholine 5. The part of brain responsible for balance is: A) Cerebrum B) Medulla C) Cerebellum D) Hypothalamus ✅ Answer: C) Cerebellum ⚡ Reflex Action MCQs 6. Reflex actions are controlled by: A) Brain B) Spinal cord C) Cerebellum D) Hypothalamus ✅ Answer: B) Spinal cord 7. The pathway of reflex action is called: A) Reflex arc B) Neural pathway C) Motor path D) Sensory arc ✅ Answer: A) Reflex arc 🧬 Endocrine System MCQs 8. The “master gland” is: A) Thyroid B) Pituitary C) Adre...