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Life Processes Test - 81

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Life Processes Test - 81
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  • Question 1
    1 / -0
    In the case of renal failure and uraemia, which one of the following is employed?
    Solution

     

    • Hemodialysis is used for people with a critical kidney disorder and uraemia. 
    • Kidney/renal failure may occur from a physical injury or a disease like diabetes, high blood pressure, or other disorders.
    • An elevated level of urea and other nitrogenous waste compounds in the blood is characteristic of uremia.
    • In any of the conditions where the kidneys are not functioning properly, waste starts accumulating in the blood. This results in coma and even death.
    • To cure this, the patient is subjected to dialysis. Dialysis maintains the body balance in the following ways:

    1. It controls blood pressure.
    2. It removes excess water and metabolic wastes from the body.
    3. Prevents chemicals such as potassium, bicarbonate and sodium from reaching hazardous levels.
    • This treatment may continue for months or years since most kidney failures are irreversible.
    So the correct option is 'Haemodialysis'.
  • Question 2
    1 / -0
    The following are the functions of organs or regions of the digestive system. Choose option with the incorrect description.
  • Question 3
    1 / -0
    Which of the following is the function of lymph?
    Solution
    Lymph is the fluid that circulates throughout the lymphatic system. It is a clear-to-white fluid made of white blood cells, especially lymphocytes. It performs multiple functions inside our bodies. It carries digested and absorbed fat from the intestine. It takes lymphocytes and antibodies from the lymph nodes to the blood. The interstitial fluid is absorbed into the lymph vessels and again it is added to blood from the lymph, and in turn, regulates the blood volume.
    So, the correct option is D.
  • Question 4
    1 / -0
    The amino acid _____ is obtained by microbial process by lactobacillus delbrueckii.
    Solution
    Lactobacillus delbrueckii is a beneficial bacteria found in the digestive tract. The proper balance of gut flora helps to keep your intestinal walls strong and bad bacteria at bay and can reduce the risk of chronic disease. which are highly adapted to growing on lactose and converting it into lactic acid.
    So the correct answer is "Lactic acid".
  • Question 5
    1 / -0
    Consider the following statement regarding human.
    a. Duodenum is the longest part of small intestine
    b. Hepatic and cystic ducts release their secretions into common bile duct whose opening is controlled by sphincter of Oddi
    c. Ileocaecal valve is present at the junction of small intestine and large intestine
    d. Mechanical digestion and chemical digestion of food occurs in buccal cavity, stomach and small intestine 
    Which of the following choices is correct?
    Solution
    a. Ileum is the longest part of small intestine.
    b. Bile duct and pancreatic duct open together into the duodenum as the common hepato-pancreatic duct which is guarded by a sphincter called the sphincter of oddi.
    c. Ileocaecal valve is present at the junction of small intestine and large intestine.
    d. Mechanical digestion and chemical digestion of food occurs in buccal cavity, stomach and small intestine.
    a and b are wrong. c and d are correct.
    So, the correct answer is 'C and D only'
  • Question 6
    1 / -0
    According to you which of the following animals will have the longest food pipe?
    Solution
    The oesophagus, commonly known as the food pipe, is an organ in vertebrates through which food passes, aided by peristaltic movements, from the pharynx to the stomach. The giraffe has the longest neck of any land mammal, due to which the food pipe is also long.
  • Question 7
    1 / -0
    To start respiration, a living cell requires 
    Solution
    Cellular respiration is the process of moving energy from one chemical form (glucose) into another (ATP) since all cells use ATP for all metabolic reactions. Most of the steps of cellular respiration take place in the mitochondria. Oxygen and glucose are both reactants in the process of cellular respiration. The main product of cellular respiration is ATP. Respiration is the biochemical process in which the cells of an organism obtain energy by combining oxygen and glucose, resulting in the release of carbon dioxide, water, and ATP (the currency of energy in cells). Glycolysis can also occur without oxygen, a process called anaerobic respiration, or fermentation. When glycolysis occurs without oxygen, cells make small amounts of ATP.

    So, the correct answer is 'Only glucose'.
  • Question 8
    1 / -0
    The saliva secreted by salivary glands not  
    Solution
    • Saliva secreted by salivary glands doesn't give safety against dental caries.
    • Dental carries take place due to deposition of food particles on teeth and subsequent bacterial decay.
    • So, the correct option is 'Give safely against dental carries'.
  • Question 9
    1 / -0
    Which of the following part is excluded from the study of T.S. of gut.
    Solution
    Esophagus, colon and rectum are studied with the T.S. of the gut. They are all a part of the digestive system where is wearing is a part of the digestive as well as the respiratory system and it is not studied along with them.
    So the correct option is 'Pharynx'.
  • Question 10
    1 / -0
    In which organ the digestion of protein starts in the human digestive tract?
    Solution
    It begins in the stomach by pepsin which breaks down the peptide bind and makes protein smaller for easier digestion. Trypsin and chymotrypsin are also enzymes that are created by the pancreas and will cut down proteins into small peptides. 

    So the correct option is "stomach".
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