MCQ
Histamine is secreted by:
- ✓Mast cells.
- BFibroblast.
- CMelanocytes.
- DHistocytes.
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| List $I$ (Types of Stamens) | List $II$ (Example) |
| $A$. Monoadelphous | $I$. Citrus |
| $B$. Diadelphous | $II$. Pea |
| $C$. Polyadelphous | $III$. Lily |
| $D$. Epiphyllous | $IV$. China-rose |
Choose the correct answer from the options given below:
$II.$ Nitrogenous waste are absorbed by active transport
$III.$ Conditional reabsorption of $Na ^{+}$and water takes place in $DCT$
$IV.$ $DCT$ reabsorbs glucose
$V.$ $DCT$ is capable of selective secretion of $H ^{+}, K ^{+}$and $NH _{3}$ to maintain $pH$ and $Na ^{+}- K ^{+}$ balance in blood
$VI.$ Substances like glucose, amino acids, $Na ^{+}$, etc, in the filtrate are reabsorbed actively
Choose the option with incorrect statements