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Transportation in Plants And Animals Test - 5

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Transportation in Plants And Animals Test - 5
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  • Question 1
    1 / -0
    Which of the following instruments is used to hear the heartbeat?
    Solution
    The stethoscope is an acoustic medical device for auscultation or listening to the internal sounds of an animal or human body. It typically has a small disc-shaped resonator that is placed against the chest and two tubes connected to earpieces. It is often used to listen to the sound of lungs and heart.
  • Question 2
    1 / -0
    Which of the following statements is true regarding pulmonary blood vessels?
    Solution
    Pulmonary blood vessels are the blood vessels related to lungs. Pulmonary arteries carry deoxygenated blood and pulmonary veins carry oxygenated blood.
  • Question 3
    1 / -0
    Through which medium do gases, digested food and excretory matter get transported from one part of the body to another?
    Solution
    Blood is also known as connective tissue of the body, i.e. it connects all our body parts by transporting O2, CO2, digested food and excretory matter from one part of the body to another. Urine and sweat are forms of waste matter and lymph is the fluid tissue derived from blood.
  • Question 4
    1 / -0
    The fluid part of the blood is called
    Solution
    Blood is a fluid flowing in blood vessels. It has several components. Its several components are plasma, red blood cells, white blood cells and the platelets. The fluid part of the blood is known as plasma. Blood is red in colour due to the presence of a pigment called haemoglobin.
  • Question 5
    1 / -0
    Which pigment contributes to the red colour of the blood?
    Solution
    Blood is red in colour due to the presence of a pigment called haemoglobin.
  • Question 6
    1 / -0
    Which of the following processes helps in the healing of wounds?
    Solution
    If there is any cut or wound, the platelets of blood reach the surface and plug in the wound by clotting blood at that place. Therefore, platelets help in the healing of wounds through the process of blood clotting.
  • Question 7
    1 / -0
    Which type of blood cells act as defensive agents for the body against germs?
    Solution
    Each component of blood plays a particular role. For example, RBC plays a role in the respiration process by binding haemoglobin with oxygen, platelets play a role in the clotting of the blood, and white blood cells act as defensive agents by acting against germs.
  • Question 8
    1 / -0
    If red-coloured vessels represent arteries, then _____ vessels represent veins.
    Solution
    Arteries are red in colour as they carry oxygenated blood. Veins are generally blue in colour as they carry deoxygenated blood.
  • Question 9
    1 / -0
    Which among the following is not true for arteries?
    Solution
    Arteries are thick-walled elastic blood vessels which carry oxygen-rich blood from heart to all parts of the body. Blood in the arteries flows at a very high pressure.
  • Question 10
    1 / -0
    Which of the following prevent/s back flow of blood in veins?
    Solution
    Veins are thin walled blood vessels which carry deoxygenated blood from all parts of the body to the heart. The valves present in veins prevent the back flow of the blood.
  • Question 11
    1 / -0
    What is the route followed by pulmonary vein?
    Solution
    All veins except the pulmonary vein carry deoxygenated blood. The pulmonary vein carries oxygenated blood from lungs to the heart and then aorta supplies oxygenated blood to all body parts.
  • Question 12
    1 / -0
    Food synthesised in the leaves is transported to all parts of the plant by
    Solution
    In plants, water and minerals are moved upward through suction pull via xylem from the roots to all parts of the plant. Food synthesised in the leaves is transported to all parts of the plant by phloem.
  • Question 13
    1 / -0
    The average pulse rate (heart beat) for a person at rest is
    Solution
    The average pulse rate for a person at rest is usually 72-80 beats per minute.
  • Question 14
    1 / -0
    Which part of a plant is/are mainly involved in the evaporation of water?
    Solution
    The leaves of a plant have small pores known as stomata. The function of stomata is to evaporate excess of water from the leaves, and exchange of gases.
  • Question 15
    1 / -0
    Which among the following help(s) in the transportation of water and minerals in plants?
    Solution
    In plants, water and minerals are moved upward through suction pull via xylem from the roots to all its parts. Food synthesised in leaves is transported to all parts of the plant through phloem. Thus, both xylem and phloem make up the vascular system in plants.
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