Trivial Practice Quiz science-technology - Test 119 | Englishfreetest.com

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  • Test content
    Question 1: The vitamins from the B complex have many functions but generally play most important role in which of these processes of the human body?
    A. Cell excretion
    B. Cell reproduction
    C. Cell regeneration
    D. Cell metabolism
    Question 2: To which of these groups of substances do the B vitamins belong?
    A. Fat-soluble
    B. Alcohol-soluble
    C. Non-soluble
    D. Water-soluble
    Question 3: Which of these is not among the systems of the human body that vitamins of the B group mainly benefit?
    A. Cardio-vascular
    B. Immune
    C. Respiratory
    D. Digestive
    Question 4: Which is the only B vitamin that cannot be obtained from plant products?
    A. B7
    B. B1
    C. B6
    D. B12
    Question 5: Vitamin B2 has which of these interesting properties?
    A. It is can be absorbed only through the skin.
    B. It can be found in all three physical conditions of matter.
    C. It is fluorescent under UV light.
    D. It melts at more than 10 000 degrees C.
    Question 6: Vitamin B6 is widely distributed in foods and its relatively stable form enables it to remain unchanged even when the products are cooked.
    A. False
    B. True
    Question 7: The folic acid, a compound especially important during periods of rapid cell division and growth, is commercially known under what name?
    A. Vitamin B7
    B. Vitamin B9
    C. Vitamin B1
    D. Vitamin B12
    Question 8: Which of the following is true about the sources of vitamin B5?
    A. It is found only in plant products.
    B. It is synthesized in the skin under the influence of the sun rays.
    C. It is found only in animal products.
    D. It is found in a large variety of foods.
    Question 9: B1, a vitamin participating in many important cellular processes, is synthesized by animals, plants and some bacteria.
    A. True
    B. False
    Question 10: Niacin, also known as vitamin B3 or nicotinic acid, is a vitamin that can be synthesized by which organ?
    A. Heart
    B. Kidneys
    C. Liver
    D. Gall-bladder
    Question 11: Vitamin B12 is a set of complex chemical compounds synthesized in nature only by this group of organisms.
    A. Fungi
    B. Plants
    C. Animals
    D. Bacteria
    Question 12: This vitamin of the B complex, popular also under the name vitamin H, is not included in the recommended daily intake by some health organizations.
    A. Vitamin B9
    B. Vitamin B12
    C. Vitamin B15
    D. Vitamin B7
    Question 13: Megaloblastic anemia is a type of anemia in which among the bone marrows red blood cells start to appear many immature and dysfunctional ones. The deficiency of which two vitamins of the B complex group causes this disorder?
    A. B9 and B12
    B. B1 and B2
    C. B4 and B1
    D. B6, B2 and B12
    Question 14: Biotin deficiency (the lack of vitamin B7) is a rare nutritional disorder that occurs in people from this age group.
    A. Adults
    B. Elderly people
    C. Infants
    D. All of these
    Question 15: Which of these medical conditions is caused by the ricin found in castor beans?
    A. Death
    B. All of these
    C. Severe diarrhea
    D. Long term organ damage