Online Assessment For Biology (Lcct)

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| By JAY DANILA
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JAY DANILA
Community Contributor
Quizzes Created: 2 | Total Attempts: 104
Questions: 35 | Attempts: 55

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Online Assessment For Biology (Lcct) - Quiz


Questions and Answers
  • 1. 

    Which of the following collects blood from the lungs and pumps to the lower part of the heart?

    • A.

      Right ventricle

    • B.

      Right Atrium

    • C.

      Left Atrium

    • D.

      Left Ventricle

    Correct Answer
    B. Right Atrium
    Explanation
    The right atrium collects blood from the lungs and pumps it to the lower part of the heart.

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  • 2. 

    ________ produces digestive enzymes to digest fats,  carbohydrates and proteins

    Correct Answer
    PANCREAS
    Explanation
    The pancreas is responsible for producing digestive enzymes that help break down fats, carbohydrates, and proteins. These enzymes are essential for the digestion and absorption of nutrients in the small intestine. Without the pancreas, the body would struggle to properly digest these macronutrients, leading to nutrient deficiencies and digestive issues. Therefore, the pancreas plays a crucial role in maintaining a healthy digestive system.

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  • 3. 

    ________ stores bile from the liver, releases it into small intestine

    Correct Answer
    GALL BLADDER
    Explanation
    The gall bladder is the organ that stores bile from the liver and releases it into the small intestine. Bile is produced by the liver and helps in the digestion and absorption of fats in the small intestine. The gall bladder acts as a storage reservoir for bile and releases it in response to the presence of fatty foods in the small intestine. This allows for the efficient breakdown and absorption of fats during the digestive process.

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  • 4. 

    ________ is the center of our thoughts, the interpreter of our external environment, and the origin of control over body movement

    Correct Answer
    BRAIN
    Explanation
    The brain is the central organ of the nervous system and is responsible for processing information from the external environment, interpreting it, and controlling body movements. It is the command center of our thoughts and actions, making it the correct answer.

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  • 5. 

    ________ is the highway for communication between the body and the brain

    Correct Answer
    SPINAL CORD
    Explanation
    The correct answer is the spinal cord. The spinal cord serves as the highway for communication between the body and the brain. It is a long, cylindrical bundle of nerve fibers that extends from the base of the brain to the lower back. The spinal cord carries sensory information from the body to the brain and motor commands from the brain to the body. It is responsible for transmitting signals that allow us to move, feel sensations, and control bodily functions.

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  • 6. 

    ________ is a rigid tube that conducts air from your larynx to bronchi.

    Correct Answer
    TRACHEA
    Explanation
    The trachea is a rigid tube that conducts air from the larynx to the bronchi. It is commonly known as the windpipe and is located in the throat region. The trachea plays a vital role in the respiratory system by allowing air to pass through and reach the lungs. It is composed of rings of cartilage, which provide structural support and prevent collapse during breathing.

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  • 7. 

    ________ the human transport system of blood and oxygen

    Correct Answer
    CIRCULATORY SYSTEM
    Explanation
    The circulatory system is responsible for the transportation of blood and oxygen throughout the human body. It consists of the heart, blood vessels, and blood. The heart pumps oxygenated blood to the body's tissues and organs, delivering oxygen and nutrients while removing waste products. The blood vessels, including arteries, veins, and capillaries, act as a network to carry the blood to different parts of the body. Overall, the circulatory system plays a crucial role in maintaining the body's homeostasis and ensuring the proper functioning of all organs and tissues.

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  • 8. 

    Trachea s an important structure within your respiratory system, which is the organ system that delivers oxygen to your bloodstream.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The trachea is indeed an important structure within the respiratory system. It is a tube-like structure that connects the larynx to the bronchi and allows air to pass in and out of the lungs. It plays a crucial role in the delivery of oxygen to the bloodstream. Therefore, the statement "Trachea is an important structure within your respiratory system, which is the organ system that delivers oxygen to your bloodstream" is true.

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  • 9. 

    ENDOCARDIUM is the outer layer of the heart

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The given statement is incorrect. The endocardium is actually the innermost layer of the heart, not the outer layer. The layers of the heart, from outermost to innermost, are the epicardium, myocardium, and endocardium.

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  • 10. 

    Which of the following is not belong to 3 phases of digestion

    • A.

      Cephalic

    • B.

      Gastric

    • C.

      Gastroesophageal

    • D.

      Intestinal

    Correct Answer
    C. Gastroesophageal
    Explanation
    The term "Gastroesophageal" does not belong to the three phases of digestion. The three phases of digestion include the cephalic phase, which involves the sight, smell, and taste of food; the gastric phase, which occurs in the stomach and involves the release of gastric juices; and the intestinal phase, which takes place in the small intestine and involves the absorption of nutrients. "Gastroesophageal" refers to the junction between the stomach and the esophagus, which is not a phase of digestion but rather a physiological structure.

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  • 11. 

    Blood has three main functions; transportation, regulation and protection. 

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Blood has three main functions: transportation, regulation, and protection. It transports oxygen, nutrients, hormones, and waste products throughout the body. It helps regulate body temperature, pH balance, and fluid balance. It also plays a crucial role in the immune system, fighting against infections and diseases. Therefore, the statement that blood has three main functions is true.

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  • 12. 

    Blood is composed of fluids, solids and particles. 

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Blood is not composed of particles. It is made up of fluids and solids, such as red blood cells, white blood cells, and platelets. These components are suspended in a liquid called plasma. Therefore, the correct answer is false.

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  • 13. 

    Red Blood Cell is also Erythrocytes

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is true because red blood cells and erythrocytes are the same thing. Erythrocytes are the technical term for red blood cells, which are the most common type of blood cell and are responsible for carrying oxygen to the body's tissues. Therefore, it can be concluded that red blood cell is also known as erythrocytes.

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  • 14. 

    Platelets are Leukocytes

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Platelets are not leukocytes. Leukocytes, also known as white blood cells, are responsible for immune responses and fighting infections. Platelets, on the other hand, are small cell fragments that help in blood clotting and preventing excessive bleeding. While both platelets and leukocytes are components of blood, they serve different functions and have distinct characteristics. Therefore, the statement that platelets are leukocytes is false.

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  • 15. 

    Hemoglobin is a red-pigmented lipids that binds loosely to oxygen atoms and carbon dioxide molecules

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Hemoglobin is not a lipid, but a protein found in red blood cells. It binds tightly to oxygen atoms and carbon dioxide molecules, allowing for their transport throughout the body. Therefore, the given statement is false.

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  • 16. 

    Red blood cell circulates for about 120 days

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Red blood cells have a lifespan of approximately 120 days. They are constantly being produced and destroyed in the body. This is necessary because red blood cells carry oxygen to tissues and organs, and over time they become worn out and less efficient. The body replaces old red blood cells with new ones through a process called erythropoiesis. Therefore, it is true that red blood cells circulate for about 120 days before being replaced.

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  • 17. 

    It begins when you smell, taste, think, see food and response is the secretion of gastric juices in preparation for digestion

    • A.

      Cephalic

    • B.

      Gastric

    • C.

      Intestinal

    • D.

      Pharyngeal

    Correct Answer
    A. Cephalic
    Explanation
    The term "cephalic" refers to the initial phase of the digestive process, which is triggered by sensory stimuli such as smelling, tasting, thinking, or seeing food. When these stimuli are detected, the body responds by secreting gastric juices in preparation for digestion. This phase is important for the body to start breaking down the food and for the digestive system to be ready to absorb nutrients efficiently.

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  • 18. 

    ________ are hard deposits that form in your gallbladder

    Correct Answer
    GALLSTONES, GALLSTONE
    Explanation
    Gallstones are hard deposits that form in the gallbladder. They can vary in size and can be made up of cholesterol or bilirubin. Gallstones can cause symptoms such as abdominal pain, nausea, and jaundice. They are typically formed when there is an imbalance in the substances that make up bile, leading to the formation of solid particles. If left untreated, gallstones can cause complications such as inflammation of the gallbladder or blockage of the bile ducts. Treatment options for gallstones may include medication, lifestyle changes, or surgical removal of the gallbladder.

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  • 19. 

    ________ is the section located at the back of the head and above the first cervical of the neck

    Correct Answer
    CEREBELLUM
    Explanation
    The section located at the back of the head and above the first cervical of the neck is called the cerebellum. The cerebellum is a part of the brain that plays a crucial role in coordinating voluntary movements, balance, and posture. It is responsible for fine-tuning motor skills and maintaining equilibrium.

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  • 20. 

    The left hemisphere is responsible  in abstract and verbal ability

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The left hemisphere of the brain is indeed responsible for abstract and verbal abilities. This is supported by research on brain lateralization, which suggests that the left hemisphere is dominant in language processing, speech production, and logical reasoning. Studies have shown that damage to the left hemisphere can result in deficits in these areas, such as difficulty understanding and producing language. Therefore, it is accurate to say that the left hemisphere is responsible for abstract and verbal abilities.

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  • 21. 

    Parietal lobe responsible for reasoning and thought

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The given statement is false. The parietal lobe is not responsible for reasoning and thought. It is primarily involved in processing sensory information, such as touch, temperature, and spatial awareness. Reasoning and thought processes are mainly associated with the frontal lobe of the brain.

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  • 22. 

    Temporal Lobe responsible for the auditory processes from the ears.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is true because the temporal lobe is indeed responsible for auditory processes from the ears. It is located on the sides of the brain and is involved in processing sound information, including the recognition of speech, music, and other sounds. The temporal lobe also plays a role in memory and language comprehension.

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  • 23. 

    Occipital Lobe responsible for processing visual information from the eyes

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The occipital lobe is indeed responsible for processing visual information from the eyes. It is located at the back of the brain and is primarily involved in visual perception, including the interpretation of shapes, colors, and motion. This region receives signals from the eyes and processes them to create a visual representation of the world around us. Damage to the occipital lobe can result in visual impairments and difficulties in perceiving and recognizing visual stimuli. Therefore, the statement is true.

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  • 24. 

    ________ These are primarily responsible for killing off foreign bacteria.

    Correct Answer
    NEUTROPHILS, NEUTROPHIL
    Explanation
    Neutrophils are a type of white blood cell that plays a crucial role in the immune system. They are primarily responsible for killing off foreign bacteria. Neutrophils are part of the body's innate immune response and are among the first cells to arrive at the site of infection. They engulf and destroy bacteria through a process called phagocytosis. Neutrophils release toxic substances to kill the bacteria, including reactive oxygen species and antimicrobial peptides. Overall, neutrophils are essential for defending the body against bacterial infections.

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  • 25. 

    Basophils release two chemicals, histamine and heparin. 

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Basophils are a type of white blood cells that play a role in the immune response. They release histamine, which is involved in allergic reactions and inflammation, and heparin, which is an anticoagulant. Therefore, the statement that basophils release two chemicals, histamine and heparin, is true.

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  • 26. 

    It carry oxygenated blood away from the heart

    • A.

      Capillaries

    • B.

      Arteries

    • C.

      Veins

    • D.

      Tendons

    Correct Answer
    B. Arteries
    Explanation
    Arteries are blood vessels that carry oxygenated blood away from the heart to various parts of the body. They have thick, elastic walls that help maintain blood pressure and ensure efficient blood flow. Unlike veins, which carry deoxygenated blood back to the heart, arteries transport oxygen-rich blood to tissues and organs. The correct answer, "Arteries," accurately describes their function and differentiates them from other options such as capillaries, veins, and tendons.

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  • 27. 

    It distribute the nutrients and oxygen to the body's tissues and remove deoxygenated blood and waste

    • A.

      Veins

    • B.

      Capillaries

    • C.

      Arteries

    • D.

      Tendons

    Correct Answer
    B. Capillaries
    Explanation
    Capillaries are small blood vessels that connect arteries and veins. They have thin walls which allow for the exchange of nutrients, oxygen, and waste products between the blood and the body's tissues. Capillaries distribute the nutrients and oxygen to the body's tissues and remove deoxygenated blood and waste products, ensuring proper functioning of the body's cells.

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  • 28. 

    It carry deoxygenated blood towards the lungs where oxygen is received via the pulmonary capillaries

    • A.

      Capillaries

    • B.

      Tendons

    • C.

      Veins

    • D.

      Arteries

    Correct Answer
    C. Veins
    Explanation
    Veins carry deoxygenated blood towards the lungs where oxygen is received via the pulmonary capillaries. Unlike arteries, veins have valves that prevent the backflow of blood. This allows the blood to flow in one direction, towards the heart. Veins also have thinner walls compared to arteries, as they do not experience the same high pressure from the heart pumping blood. Overall, veins play a crucial role in returning deoxygenated blood back to the heart for oxygenation.

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  • 29. 

    Inhalation and Exhalation are Pulmonary Ventilation

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Inhalation and exhalation are both part of the process of pulmonary ventilation, which refers to the movement of air into and out of the lungs. During inhalation, the diaphragm and intercostal muscles contract, causing the chest cavity to expand and air to be drawn into the lungs. During exhalation, the diaphragm and intercostal muscles relax, causing the chest cavity to decrease in size and air to be expelled from the lungs. Therefore, it is correct to say that inhalation and exhalation are pulmonary ventilation.

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  • 30. 

    External Respiration is the exchange of gases between the lungs and the carbon dioxide

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The given statement is incorrect. External respiration is the exchange of gases between the lungs and the blood, not specifically carbon dioxide. It involves the intake of oxygen from the lungs into the bloodstream and the release of carbon dioxide from the bloodstream into the lungs to be exhaled.

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  • 31. 

    ________ is the exchange of gases between the bloodstream and body tissues

    Correct Answer
    INTERNAL RESPIRATION, INTERNAL
    Explanation
    Internal respiration is the exchange of gases between the bloodstream and body tissues. It occurs at the cellular level, where oxygen is transported from the bloodstream into the cells, and carbon dioxide, a waste product, is transported from the cells into the bloodstream to be carried away and eliminated from the body. This process is essential for providing oxygen to the cells for energy production and removing carbon dioxide, maintaining the body's acid-base balance, and supporting overall cellular function.

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  • 32. 

    Neurotransmitters are responsible for sensation, perception, cognitive and motor behavior.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Neurotransmitters are chemical messengers that transmit signals between neurons in the brain and nervous system. They play a crucial role in various processes such as sensation, perception, cognitive function, and motor behavior. By transmitting signals across synapses, neurotransmitters enable communication between different areas of the brain and facilitate the coordination of sensory input, cognitive processes, and motor responses. Therefore, it is true that neurotransmitters are responsible for sensation, perception, cognitive function, and motor behavior.

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Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 19, 2020
    Quiz Created by
    JAY DANILA
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