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Human Health and Disease Test - 24

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Human Health and Disease Test - 24
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Which one of the following does not follow the central dogma of molecular biology
  • Question 2
    1 / -0
    The genes responsible for cancer are 
    Solution
    Cancer cells rapidly undergo mitosis. It usually spreads through the blood or the lymph system. It is mainly caused due to the mutagens which cause a sudden heritable change in the DNA content which leads to fatal abnormalities. It can be easily damaged by the radiation. An oncogene is a gene that has the potential to cause cancer. In tumour cells, they are often mutated or expressed at high levels
    So, the correct answer is 'Oncogenes'
  • Question 3
    1 / -0
    .............. is/are the characteristics of cancer cells.
    Solution
    • Cancer cells rapidly undergo mitosis. 
    • It is mainly caused due to the mutagens which cause a sudden heritable change in the DNA content which leads to fatal abnormalities. 
    • It can be easily damaged by radiation. 
    • An oncogene is a gene that has the potential to cause cancer. In tumour cells, they are often mutated or expressed at high levels.
    So, the correct answer is option D.
  • Question 4
    1 / -0
    Filariasis is also called elephantiasis because
    Solution
    Filariasis, commonly called as elephantiasis, is a parasitic infection that causes extreme swelling in the arms and the legs and hence, the name elephantiasis. Wuchereria bancrofti is the parasite responsible for it. The parasite infects the lymph nodes and lymph vessels. So, the correct answer is option A.
  • Question 5
    1 / -0
    Cancer is
    Solution
    Cancer cells rapidly undergo mitosis. It usually spreads through the blood or the lymph system. It is mainly caused due to the mutagens which cause a sudden heritable change in the DNA content which leads to fatal abnormalities. It can be easily damaged by the radiation. So, the correct answer is option A.
  • Question 6
    1 / -0
    According to ................. theory, the resistance of body decreases with the increase in age.
    Solution
    The immune system theory of aging is that the rate of aging is largely controlled by the immune system. As one ages, the numbers of critical cells in the immune system decrease and become less functional, thereby the resistance of the body decreases.
    Thus, the correct answer is option (A).
  • Question 7
    1 / -0
    Which is not cancer?
    Solution
    Glaucoma is not cancer but an abnormality of the eye which is caused due to an increase in the fluid pressure that leads to the permanent damage of the optic nerves and consequently irreversible loss of eyesight. It is characterized by the symptoms such as eye pain, blurred vision, headache, nausea, vomiting. Whereas leukaemia is the cancer of blood and bone marrow, carcinoma is a cancer of epithelial cell and sarcoma is the cancer of connective tissue and other non-epithelial tissues. Thus, the correct answer is option B.
  • Question 8
    1 / -0
    Filariasis is caused by
    Solution
    Filariasis, commonly called as elephantiasis, is a parasitic infection that causes extreme swelling in the arms and the legs. The disease is caused by a microfilarial worm, which is transmitted from human to human via female mosquito when it takes a blood meal.
    So, the correct answer is option B.
  • Question 9
    1 / -0
    Marijuana is extracted from
    Solution
    The products of hemp plant, cannabis sativa like Marijuana, Bhang, Ganja, Charas (also called as 'Hashish' in some countries like America) etc., Tetrahydrocannabinol (THC) is present in hemp plant.
  • Question 10
    1 / -0
    Benzodiazepine is an
    Solution
    1. Anti-Anxiety drugs (minor tranquillizers) are used for anxiety and phobic conditions. Benzodiazepines are main anti-anxiety drugs.
    2. Opium, morphine, heroin, etc., are opiate narcotics, which suppress brain functions, relieve pain, whereas sedatives and tranquillizers depress brain activity and produce feelings of calmness, eg., barbiturates (sleeping pills), benzodiazepines (tranquillizers). So, the correct answer is option C.
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