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Blood doping means use of banned substances by athletes that have a favorable effect on erythrocyte count by stimulating the bone marrow. The source of such a hormone can be the human:

1. Spleen

2. Heart 

3. Kidney

4. Lungs

 66%
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Figure shows human urinary system with structures labelled A to D. Select option,

which correctly identifies them and gives their characterstics and/of functions.

1. A-adrenal gland located at the anterior part of kidney. Secrete catecholamines,

which stiumate glycogen breakdown

2. B-pelvis broad funnel shaped space inner to hilum, directly connected to loops of

Henle

3. C-mediulla-inner zone of kidney and contains complete nephrons

4. D-cortex-outer part of kidney and do not contain any part of neohrons

 77%
NEET - 2013
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When kidney of a person is damaged, he/she invariably suffers fom anaemia because

(1) RBCs pass through the glomerulus

(2) Sufficient erythropoietin is not produced

(3) haemoglobin is not synthesised sufficiently

(4) Iron and viatmin B-12 are not able to bind to haemoglobin.

 66%
AIIMS - 2015
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Assertion             :       Kidneys maintain the osmotic concentration of the blood.

Reason      :       Kidneys eliminate either hypotonic or hypertonic urine according to the need of the body.

  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
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Human excretory system does not involve

1.Urethra

2.Vestibule

3.Bladder

4.Kidneys

 95%
From NCERT
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh