Biology
Assertion. Renal artery carries deoxygenated blood full of nitrogenous wastes.
Reason. Most of the arteries carry oxygenated blood, but there are exceptions.
- Both A and R are True
- Both A and R are False
- A is True and R is False.
- A is False and R is True.
Answer
A is False and R is True.
Explanation
The renal artery carries oxygenated blood from the heart to the kidneys.
Most arteries carry oxygenated blood away from the heart, but there are exceptions such as the pulmonary artery, which carries deoxygenated blood from the heart to the lungs.
Related Questions
Assertion. Blood group 'AB' does not contain any antibody but contains both the antigens 'A' and 'B'.
Reason. In humans, WBCs have specific proteins on their surfaces. These proteins are called antibodies.
- Both A and R are True
- Both A and R are False
- A is True and R is False.
- A is False and R is True.
Assertion. Kidneys eliminate urea and water only during excretion.
Reason. Urea is the most poisonous, nitrogenous waste of the body, so it must be excreted out as early as possible.
- Both A and R are True
- Both A and R are False
- A is True and R is False.
- A is False and R is True.
Assertion. Efferent arteriole is wider than the afferent arteriole.
Reason. The difference in the size of the diameter of these arterioles creates a high pressure known as hydrostatic pressure. This pressure helps in the process of ultrafiltration through the glomerulus.
- Both A and R are True
- Both A and R are False
- A is True and R is False.
- A is False and R is True.
Assertion. Haematuria is the condition in which the blood passes with urine due to some infection in the urinary tract, kidney stones or tumour.
Reason. An excessive number of RBCs and haemoglobin is produced in the bone marrow. So these are excreted out through the urine.
- Both A and R are True
- Both A and R are False
- A is True and R is False.
- A is False and R is True.