Botany and Branches
- Which one of the following organs breaks down fat to produce cholesterol ?
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Liver cells secrete bile, biles help in emulsification of fat i.e. breaking down of fats into small micelles.
Correct Option: B
Liver cells secrete bile, biles help in emulsification of fat i.e. breaking down of fats into small micelles.
- Among the following elements, which one is essential for the transmission of impulses in the nerve fibre ?
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Sodium, chloride and potassium ions are essential for the transmission of nerve impulses.
Correct Option: C
Sodium, chloride and potassium ions are essential for the transmission of nerve impulses.
- Biological catalysis in living organisms are known as
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Enzymes are biological catalysts that increases the rate of reaction without altering its structure.
Correct Option: D
Enzymes are biological catalysts that increases the rate of reaction without altering its structure.
- Jaundice in human beings is the result of
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Jaundice in human beings is the result of incomplete metabolism of bilirubin. Bilirubin is a bile pigment that is metabolised and excreted out as sterco-bilinogen in faeces. However when a pathological process interferes with its normal functioning, it leads to jaundice. The symptoms of jaundice is yellowing of skin and eyes due to deposition of bile pigments.
Correct Option: C
Jaundice in human beings is the result of incomplete metabolism of bilirubin. Bilirubin is a bile pigment that is metabolised and excreted out as sterco-bilinogen in faeces. However when a pathological process interferes with its normal functioning, it leads to jaundice. The symptoms of jaundice is yellowing of skin and eyes due to deposition of bile pigments.
- Among the given nutrients, milk is a poor source of
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Milk is a poor source of Vitamin C. Citrus, amla, etc are rich source of vitamin C.
Correct Option: D
Milk is a poor source of Vitamin C. Citrus, amla, etc are rich source of vitamin C.