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 Multiple Choice QuestionsMultiple Choice Questions

1.

Glomerular filtrate is

  • blood minus blood corpuscles and plasma protein

  • blood minus corpuscles

  • mixture of water, ammonia and corpuscles

  • urine


2.

In living beings ammonia is converted into urea through

  • ornithine cycle

  • citrulline cycle

  • fumarine cycle

  • arginine cycle


3.

Assertion : Phenylketonuria is a disease in which excretion of phenylalanine occurs in urine. 

Reason : It is due to dietary imbalance.

  • If both Assertion and Reason are true and Reason is the correct explantion of Assertion

  • If both Assertion and Reason are true and Reason is not the correct explanation of Assertion

  • If Assertion is true but Reason is false

  • If Assertion is false but Reason is true


4.

A person passes much urine and drinks much water but his blood glucose level is normal. This condition may be the result of:

  • a reduction in insulin secretion from pancreas

  • a reduction in vasopressin secretion from posterior pituitary

  • a fall in the glucose concentration in urine

  • an increase in secretion of glucagon


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5.

Haemodialysis helps in patient having

  • uremia

  • anaemia

  • diabetes

  • goitre


6.

ADH controls water permeability of

  • collecting tube

  • proximal convoluted tubules

  • distal convoluted tubules

  • all of the above


7.

X- rays are used in 

  • ECG

  • EEG

  • CT- scan

  • Endoscopy


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8.

Which of the following amino acids are present in ornithine cycle

  • Valine and cystine

  • Arginine and citrulline

  • Glycine and methionine

  • None of these


B.

Arginine and citrulline

Ornithine cycle takes place in liver. The amino acid arginine and citrulline are formed during this cycle. Therefore it is referred as ornithine, arginine cycle and also Kreb-Henseleit cycle. The products of this cycle are urea and ornithine. The substances excreted through this cycle are CO2 and NH2


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9.

The ornithine cycle removes two waste products from the blood in liver. These products are

  • CO2 and urea

  • ammonia and urea

  • CO2 and ammonia

  • ammonia and uric acid


10.

Which of the following are uricotelic animals?

  • Rohu and frog

  • Camel and frog

  • Lizard and crow

  • Earthworm and eagle


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