Tag: liver

Questions Related to liver

$\beta$ cells in the islet of Langerhans of man comprise.

biology digestive system of human digestive glands liver pancreas

  1. $60\%$ to $90\%$

  2. $40\%$ to $50\%$

  3. Less than $40\%$

  4. None of the above

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Correct Option: A

Assertion  :    In alcoholic drink, the alcohol is converted
                         into glucose in the liver.

Reason  :      Liver cells are able to produce glucose from
                       alcohol by back fermentation.


biology digestive system of human digestive glands liver pancreas

  1. If both the assertion and the reason are true and the reason

    is a correct explanation of the assertion

  2. If both the assertion and reason are true but the reason is

    not a correct explanation of the assertion

  3. If the assertion is true but the reason is false

  4. If both the assertion and reason are false

  5. If the assertion is false but reason is true

Show answer
Correct Option: D
Explanation:

In liver, alcohol is oxidised into acetaldehyde which is further oxidised into acetate. The latter is converted to acetyl coenzyme A which is used in Krebs' cycle. Ethyl alcohol $\rightarrow $ Acetaldehyde $\rightarrow $  Acetate $\rightarrow $ Acetyl Co A $\rightarrow $ $CO _{2}+H _{2}O$




Human liver has.

biology digestive system of human digestive glands liver pancreas

  1. $1000$ lobules

  2. $10000$ lobules

  3. About one million lobules

  4. No lobules

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Correct Option: C

Liver produces.

biology digestive system of human digestive glands liver pancreas

  1. Bile

  2. Cholesterol

  3. Iron

  4. All the above

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Correct Option: D

Liver performs the function of

biology digestive system of human digestive glands liver pancreas

  1. Glycogenesis

  2. Glycogenolysis

  3. Deammination

  4. All the above

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Correct Option: D

The endocrine part of the pancreas is known as.

biology digestive system of human digestive glands liver pancreas

  1. Crypts of Lieberkuhn

  2. Islets of Langerhans

  3. Peyer's patches

  4. Acini

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Correct Option: B

Match the columns and find the correct choice.

a Kupffer's cells p Islet of Langerhans
b $\beta$-cells q Liver sinusoids
c Brush border cells r Thyroid gland
d Paneth cells s Proximal convoluted tubule
t Small intestine
biology digestive system of human digestive glands liver pancreas

  1. a-s, b-t, c-p, d-q

  2. a-r, b-, c-s, d-q

  3. a-r, b-t, c-s, d-p

  4. a-q, b-p, c-s, d-t

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Correct Option: D

Which one is both exocrine ad endocrine?

biology digestive system of human digestive glands liver pancreas

  1. Liver

  2. Pineal

  3. Adrenal

  4. Pancreas

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Correct Option: D

Which one of the following is not secreted by pancreas

biology digestive system of human digestive glands liver pancreas

  1. Insulin

  2. Glucagon

  3. Renin

  4. Somatostatin

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Correct Option: C

Ammonia is formed inside

biology digestive system of human digestive glands liver pancreas

  1. Small intestine

  2. Stomach

  3. Large intestine

  4. Liver

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Correct Option: D