Class 11BiologyExcretory Products and their EliminationMix Examples- Excretory Products and their Elimination
Medium$A$: Birds have metanephric kidneys and no urinary bladder.
$R$: South American Ostrich has a urinary bladder.
$R$: South American Ostrich has a urinary bladder.
- AAssertion and Reason both are correct and Reason is the correct explanation of Assertion.
- BAssertion and Reason both are correct but Reason is not the correct explanation of Assertion.
- CAssertion is correct,but Reason is incorrect.
- DBoth Assertion and Reason are incorrect.
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Similar Questions
Complete the following:
$(a)$ Urinary excretion = tubular reabsorption + tubular secretion -..........
$(b)$ Dialysis fluid = Plasma -..........
$(a)$ Urinary excretion = tubular reabsorption + tubular secretion -..........
$(b)$ Dialysis fluid = Plasma -..........
Medium
View SolutionWhy do we urinate more frequently during cold and humid weather?
Medium
View SolutionConsider the following water conservation mechanisms:
$A.$ Nasal countercurrent mechanism
$B.$ Dependence on metabolic water
$C.$ Highly hypertonic urine
$D.$ Living more on protein-rich diet
The kangaroo rat living in the desert can survive without drinking water because of:
$A.$ Nasal countercurrent mechanism
$B.$ Dependence on metabolic water
$C.$ Highly hypertonic urine
$D.$ Living more on protein-rich diet
The kangaroo rat living in the desert can survive without drinking water because of:
Medium
View SolutionSubstance Glomerular filtrate Reabsorbed Urine $(i)$ Proteins $2 \,g$ $1.9 \,g$ $0.1 \,g$ $(ii)$ Glucose $162 \,g$ $162 \,g$ $0 \,g$ $(iii)$ Urea $54 \,g$ $24 \,g$ $30 \,g$ $(iv)$ Creatinine $1.6 \,g$ $0 \,g$ $1.7 \,g$
$(a)$ Glucose is completely reabsorbed.
$(b)$ Urea is partially reabsorbed.
$(c)$ Proteins are secreted into urine.
$(d)$ Creatinine is secreted into urine.
Which of the following options,in view of the above statements,is correct?
| Substance | Glomerular filtrate | Reabsorbed | Urine |
|---|---|---|---|
| $(i)$ Proteins | $2 \,g$ | $1.9 \,g$ | $0.1 \,g$ |
| $(ii)$ Glucose | $162 \,g$ | $162 \,g$ | $0 \,g$ |
| $(iii)$ Urea | $54 \,g$ | $24 \,g$ | $30 \,g$ |
| $(iv)$ Creatinine | $1.6 \,g$ | $0 \,g$ | $1.7 \,g$ |
$(a)$ Glucose is completely reabsorbed.
$(b)$ Urea is partially reabsorbed.
$(c)$ Proteins are secreted into urine.
$(d)$ Creatinine is secreted into urine.
Which of the following options,in view of the above statements,is correct?
Medium
View SolutionHow much blood is filtered by the kidneys per minute?
Easy
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