biology mcqs with answers online tests

Biology MCQs with Answers for Medical Jobs Tests

Biology mcqs with answers are given here which are past papers of AFNS Army, Short Service Regular Commission jobs of officers in Pak Army, GDMOs of Pak Navy, PAF and Pak Army, Female Medical Assistant, Female trained Nurse, B.Sc Nursing, and medical jobs of Army Medical Assistant, Navy female medical Technician and PAF Female Medical Assistant.

  • The human brain is part of the __________ system.  (Nervous)
  • The outer layer of the cerebrum is called the __________.  (Cortex)
  • The brainstem is made up of the __________, __________, and __________. (Medulla oblongata, pons, midbrain)
  • The __________ lobe of the brain is responsible for processing visual information. (Occipital)
  • The limbic system is involved in __________ and __________. (Memory, emotions)
  • The gland in the brain that produces melatonin is the __________ gland. (Pineal)
  • The brain and spinal cord make up the __________ nervous system.  (Central)
  • __________ is a neurotransmitter associated with mood regulation.  (Serotonin)
  • The protective covering around the brain and spinal cord is called the __________. (Meninges)
  • Broca’s area, located in the __________ lobe, is associated with language production.  (Frontal)
  • The left hemisphere of the brain is primarily responsible for __________ thinking and __________.  (Logical, language)
  • The __________ is responsible for regulating body temperature, hunger, and thirst. (Hypothalamus)
  • The myelin sheath is important for __________ and protecting nerve fibers. (Insulating)
  • Damage to the __________ is associated with memory loss and learning difficulties.  (Hippocampus)
  • The human brain is part of the __________ system, which is responsible for controlling and coordinating the body’s activities.  (Nervous)
  • The digestive system is responsible for the __________ and __________ of food. (Breakdown, absorption)
  • The process of chewing food is known as __________.  (Mastication)
  • The tube that connects the mouth to the stomach is called the __________. (Esophagus)
  • The __________ is a muscular organ that stores and churns food. (Stomach)
  • The primary site of nutrient absorption in the digestive system is the __________. (Small intestine)
  • The __________ is the largest gland in the body and produces bile. (Liver)
  • The __________ is a small, finger-like projection in the small intestine that aids in nutrient absorption.  (Villi)
  • The __________ is a pear-shaped organ located below the liver that stores bile. (Gallbladder)
  • The __________ is the last part of the digestive system and is responsible for absorbing water and forming solid waste. (Large intestine)

See more Biology MCQs with Answers questions for entry tests of Army, Navy and PAF medical tests.

Medical Tests of Biology MCQs with Answers Online

More Biology MCQs with Answers for initial tests are given below;

  • __________ is a digestive enzyme produced by the salivary glands that begins the breakdown of carbohydrates. (Amylase)
  • The __________ is a small gland located behind the stomach that produces digestive enzymes.  (Pancreas)
  • The process of breaking down food into smaller molecules that can be absorbed by the body is called __________.  (Digestion)
  • The __________ is a ring-like muscle that controls the flow of food between the esophagus and stomach.  (Lower esophageal sphincter)
  • The __________ is a muscular tube that connects the mouth to the stomach and moves food through peristalsis.  (Esophagus)
  • The __________ is a hormone that stimulates the release of gastric juices and promotes gastric motility.  (Gastrin)
  • The human heart is a muscular organ located in the __________ cavity. (Thoracic)
  • The heart has __________ chambers: __________ atria and __________ ventricles.  (Four, two, two)
  • The __________ side of the heart receives oxygenated blood from the lungs. (Left)
  • The __________ side of the heart pumps oxygenated blood to the rest of the body. (Left)
  • The __________ valve separates the left atrium from the left ventricle. (Mitral (or bicuspid))
  • The __________ artery carries deoxygenated blood from the heart to the lungs. (Pulmonary)
  • The __________ veins bring oxygenated blood from the lungs to the heart. (Pulmonary)
  • The __________ valve separates the right atrium from the right ventricle. (Tricuspid)
  • The largest artery in the body is the __________. (Aorta)
  • The __________ node is known as the heart’s natural pacemaker. (Sinoatrial (SA))
  • The heart is surrounded by a protective sac called the __________. (Pericardium)
  • The __________ circulation carries oxygenated blood from the heart to the body and back. (Systemic)
  • The __________ is the thickest and strongest chamber of the heart. (Left ventricle)
  • The __________ is a network of specialized muscle fibers that conducts electrical signals through the heart. (Bundle of His (or atrioventricular bundle))
  • The heart’s rhythmic contractions are controlled by electrical impulses that coordinate in the __________. (Cardiac conduction system)
  • The __________ gland is often called the “master gland” because it controls the functions of other endocrine glands.  (Pituitary)
  • The __________ gland is located in the neck and regulates metabolism.  (Thyroid)
  • The primary organ of the respiratory system is the __________. (Lungs)
  • The process of inhaling and exhaling is known as __________.  (Respiration)
  • Air enters the respiratory system through the __________.  (Nose (or nostrils))
  • The __________ is a flap of tissue that covers the opening to the trachea during swallowing. (Epiglottis)
  • The __________ are the tiny air sacs in the lungs where gas exchange occurs. ( Alveoli)
  • The __________ is a tube that connects the larynx to the bronchi. (Trachea)
  • The __________ are the main branches that lead into the lungs. (Bronchi)
  • The __________ are the smaller branches that come off the bronchi within the lungs. (Bronchioles)
  • The diaphragm is a __________ muscle involved in the process of breathing. (Dome-shaped)
  • The __________ is a large, muscular organ located in the chest cavity that aids in breathing.  (Diaphragm)
  • The exchange of oxygen and carbon dioxide between the lungs and the bloodstream occurs through __________.  (Diffusion)
  • The __________ is a voice box located in the throat that produces sound. (Larynx)
  • The __________ are the two main organs of the respiratory system. (Lungs)

See more Biology MCQs with Answers questions for entry tests of Army, Navy and PAF medical tests.

Medical Tests of Biology MCQs with Answers Past Experiences

More biology mcqs with answers are given to pass the initial tests of FMA, FMT, SSRC, SSC, Medical Officers, GDMOs, Medical Assistants jobs, female medical technician jobs, and AMC entry tests.

  • The process of gas exchange in the alveoli is called __________. (Pulmonary gas exchange)
  • __________ is the process of removing waste gases, specifically carbon dioxide, from the body.  (Exhalation.)
  • The __________ gland, located near the brain, produces hormones involved in the body’s response to stress.  (Adrenal)
  • The __________ glands, located on top of the kidneys, produce hormones involved in the body’s response to stress and salt balance. (Adrenal)
  • The __________ glands, located in the reproductive organs, produce hormones involved in sexual development and reproduction. (Gonads)
  • The male reproductive organ responsible for producing sperm is the __________. (Testes)
  • The female reproductive organ responsible for producing eggs is the __________. (Ovaries)
  • The process of releasing an egg from the ovary is called __________. (Ovulation)
  • The male reproductive organ that carries sperm from the testes to the urethra is the __________. (Vas deferens)
  • The female reproductive organ where a fertilized egg implants and develops is the __________. (Uterus)
  • The external female reproductive organ is called the __________. (Vulva)
  • The male reproductive organ that surrounds the opening of the urethra is the __________. (Penis)
  • The female reproductive cell is called the __________. (Egg (or ovum))
  • The male reproductive cell is called the __________. (Sperm)
  • The female reproductive organ responsible for producing milk after childbirth is the __________. (Mammary glands)
  • The process by which a sperm and an egg combine to form a fertilized egg is called __________. (Fertilization)
  • The __________ is the passageway through which both urine and semen exit the body in males.  (Urethra)
  • The __________ is the passageway through which both urine and a baby pass during childbirth in females. (Vagina)
  • The female reproductive organs where eggs are stored are called __________. (Ovaries)
  • The __________ is the process of the developing baby inside the uterus. (Pregnancy)
  • The process of water movement from the roots to the leaves in plants is called __________.  (Transpiration)

See more Biology MCQs with Answers questions for entry tests of Army, Navy and PAF medical tests.

  • The __________ are tiny openings on the surface of leaves that allow for gas exchange and water vapor release.  (Stomata)
  • The __________ is the tissue responsible for the transport of water and minerals from the roots to the rest of the plant. (Xylem)
  • The __________ is the tissue responsible for the transport of sugars and other organic compounds throughout the plant.  (Phloem)
  • The upward movement of water in the xylem is primarily driven by __________. (Transpiration pull)
  • The __________ is a waxy layer on the surface of leaves and stems that helps reduce water loss. (Cuticle)
  • Sugars produced during photosynthesis are transported from the leaves to other parts of the plant through the __________. (Phloem)
  • The __________ is the force generated by the active transport of sugars into the phloem. (Pressure flow)
  • The __________ is the region of actively dividing cells in the root tips responsible for root growth.  (Meristem)
  • The __________ is a long, slender extension of a plant root that increases the surface area for water and mineral absorption. (Root hair)
  • The __________ is a network of thin-walled cells that surround the xylem and phloem in the plant stem.  (Vascular cambium)
  • The movement of sugars from the phloem to the surrounding tissues for storage is called __________. (Translocation)
  • The __________ is the part of the plant where most of the water absorption occurs.  (Root)
  • The __________ is the part of the plant where photosynthesis takes place. (Leaf)
  • The __________ is the tissue that provides support and structure to the plant. (Stem)
  • A reflex arc is a __________ pathway that allows for a rapid, automatic response to a stimulus.  (Neural)
  • The basic components of a reflex arc include a __________, a __________, and an __________. ( Sensory receptor, relay neuron (or interneuron), effector)
  • The sensory receptor detects a __________ in the environment and converts it into an electrical signal.  (Stimulus)

See more Biology MCQs with Answers questions for entry tests of Army, Navy and PAF medical tests.

  • The electrical signal generated by the sensory receptor is transmitted as a __________ impulse.  (Nerve (or nerve impulse))
  • The relay neuron carries the nerve impulse from the sensory receptor to the __________.  (Effector)
  • The effector is a __________, such as a muscle or gland, that carries out the response to the stimulus.  (Muscle (or motor unit))
  • The relay neuron is located in the __________ system, which is part of the central nervous system.  (Nervous)
  • The __________ is an example of a reflex that protects the eye by causing an automatic blinking response.  (Blink reflex)
  • The __________ reflex is a reflex arc that causes the leg to extend when the sole of the foot is stimulated.  (Patellar (or knee-jerk) reflex)
  • The __________ reflex is a reflex arc that causes the pupil of the eye to constrict in response to bright light.  (Pupillary reflex)
  • The __________ reflex is a reflex arc that causes the toes to curl when the sole of the foot is stimulated.  (Babinski reflex)
  • In a reflex arc, the __________ neuron carries the nerve impulse from the relay neuron to the effector.  (Motor)
  • The __________ reflex is a reflex arc that causes the arm to withdraw from a painful stimulus, such as touching something hot.  (Withdrawal reflex)
  • The __________ reflex is a reflex arc that causes the muscles to contract and pull away when the skin is pricked or cut.  (Flexor (or withdrawal) reflex)
  • The reflex arc allows for a __________ response to a stimulus without conscious thought or decision-making.  (Rapid (or automatic))
  • _________ is the passing of traits from parents to offspring.  (Heredity)
  • The basic unit of heredity is called a __________.  (Gene)
  • __________ are alternative forms of a gene that occupy the same position on a chromosome.  (Alleles)
  • An organism’s __________ is the combination of alleles it possesses for a particular gene.  (Genotype)
  • The physical expression of an organism’s genotype is called its __________. (Phenotype)
  • The __________ is a diagram used to predict the possible outcomes of a genetic cross. (Punnett square)
  • When an organism has two identical alleles for a particular gene, it is said to be __________ for that trait.  (Homozygous)
  • When an organism has two different alleles for a particular gene, it is said to be __________ for that trait.  (Heterozygous)
  • The __________ principle states that alleles for different traits segregate independently during the formation of gametes.  (Law of Independent Assortment)
  • The __________ principle states that each pair of alleles segregates independently of other pairs of alleles during gamete formation. (Law of Segregation)

You May Like Also MCQs for Medical Jobs

Internet MCQs

Basic Internet MCQs

Internet MCQs Online multiple-choice questions (MCQs) are a great tool for people getting ready for the entrance exams of prestigious military branches including the Army, Navy, and Pakistan Air Force (PAF). These multiple-choice…
Read More Basic Internet MCQs
Computer Hardware

Computer Hardware MCQs

Computer Hardware MCQs Questions and Answers In the Army, Navy, and Pakistan Air Force (PAF) initial academic exams, Computer Hardware MCQ Questions ans Answers are crucial. These Computer Hardware multiple-choice questions (MCQs) address…
Read More Computer Hardware MCQs

Similar Posts