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
X- rays are used in
X-rays are used in CT-scan (computed tomographic scanning). It uses X-rays but employs a computer for reconstructing the image instead of directly recording it on a photographic film. This technique is used in the diagnosis of diseases of brain, spinal cord, chest, etc. It is also useful in detecting tumors.
ECG or Electrocardiogram is a medical test that detects cardiac (heart) abnormalities by measuring the electrical activity generated by the heart as it contracts.
EEg or Electroencephalogram is a non- invasive test that records electrical patterns in your brain. It is used to help diagnose conditions such as seizures, epilepsy, head injuries, dizziness etc.
Endoscopy helps in identifying inflammation, ulcers and tumors. It is more accurate than X- rays for detecting abnormal growths such as cancer and for examining the inside of the upper digestive system.
Which of the following amino acids are present in ornithine cycle
Valine and cystine
Arginine and citrulline
Glycine and methionine
None of these
In living beings ammonia is converted into urea through
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
Glomerular filtrate is
blood minus blood corpuscles and plasma protein
blood minus corpuscles
mixture of water, ammonia and corpuscles
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
Which of the following are uricotelic animals?
Rohu and frog
Camel and frog
Lizard and crow
Earthworm and eagle
ADH controls water permeability of
proximal convoluted tubules
distal convoluted tubules
all of the above