121. Juxta glomerular cells of renal cortex synthesize a hormone called:
122. RAAS secretes which of the following hormones?
A. Mineralocorticoids
B. glucoticoids
C. Both A and B
D. None of these
Answer : Option A
123. Which blood vessel carries least ammount of urea?
A. Pulmonary vein
B. Renal artery
C. Renal vein
D. Hepatic portal vein
Answer : Option C
124. Kidney stone are
A. Crystals of sillica
B. crystals of Nacl
C. Cystals of Oxalate
D. Crystals of Nahco3
Answer : Option C
A: Ammonia should be eliminated from the body as rapidly as it s formed.
R: Ammonia is insoluble in water.
A. If both the ‘A’ and ‘R’ true and ‘R’ is a correct explaination of ’A’
B. If both the ‘A’ and ‘R’ true and ‘R’ isnot a correct explaination of ’A’
C. If A is true the R is false
D. If A is false the R is true
Answer : Option C
A: Aquatic mammals lie whates and seals are said to be urcotetic animals.
R: It is because of the fact that their main nitrogenous waste product is urea.
A. If both the ‘A’ and ‘R’ true and ‘R’ is a correct explaination of ’A’
B. If both the ‘A’ and ‘R’ true and ‘R’ isnot a correct explaination of ’A’
C. If A is true the R is false
D. If A is false the R is true
Answer : Option A
A: Aquatic mammals lie whates and seals are said to be urcotetic animals.
R: It is because of the fact that their main nitrogenous waste product is urea.
A. If both the ‘A’ and ‘R’ true and ‘R’ is a correct explaination of ’A’
B. If both the ‘A’ and ‘R’ true and ‘R’ isnot a correct explaination of ’A’
C. If A is true the R is false
D. If A is false the R is true
Answer : Option A
A: The antidiuretic hormone increses the water permeability of distal convoluted tubule.
R: In absesnce of ADH water reabsorption is considerably reduced.
A. If both the ‘A’ and ‘R’ true and ‘R’ is a correct explaination of ’A’
B. If both the ‘A’ and ‘R’ true and ‘R’ isnot a correct explaination of ’A’
C. If A is true the R is false
D. If A is false the R is true
Answer : Option B
A: Urea is a less toxic excretory substance comparatively to uric acid.
R: Birds and insect are uricetolic animals.
A. If both the ‘A’ and ‘R’ true and ‘R’ is a correct explaination of ’A’
B. If both the ‘A’ and ‘R’ true and ‘R’ isnot a correct explaination of ’A’
C. If A is true the R is false
D. If A is false the R is true
Answer : Option D
A: Mammals living in deserts contain more concentrated urine.
R: They contain very long loop of Henle in their nephrons.
A. If both the ‘A’ and ‘R’ true and ‘R’ is a correct explaination of ’A’
B. If both the ‘A’ and ‘R’ true and ‘R’ isnot a correct explaination of ’A’
C. If A is true the R is false
D. If A is false the R is true
Answer : Option A