Given below are two statements about sap in xylem.
Statement I - Under normal conditions the sap in the xylem cell shows negative hydrostatic pressure.
Statement II - It also shows very low osmotic pressure.
In the light of above statements, Select the correct option given below:
Both statement I and statement II are correct.
Both statement I and statement II are incorrect.
Statement I is correct but statement II is incorrect.
Statement I is incorrect but statement II is correct.
Match the Column I with Column II regarding adrenal gland.
| Column I |
Column II |
||
|---|---|---|---|
| i. | Zona glomerulosa | a. | Nor- epinephrine |
| ii. | Zona fasciculata | b. | Aldosterone |
| iii. | Zona Reticularis | c. | Cortisol |
| iv. | Adrenal medulla | d. | Androgens and Estradiols |
i - b, ii - c, iii - d, iv -a.
i - b, ii - c, iii - a, iv - d.
i -d , ii -b , iii -a, iv -c .
i -d, ii -c, iii -c, iv -a .
Which of the following depicts Logistic growth curve of population?




The transfer of rDNA into a bacterial cell for the purpose of its cloning, is assisted by ________ ions.
$\mathrm{Mg}^{++}$
$\mathrm{Ca}^{++}$
$\mathrm{Cl}^{-}$
$\mathrm{K}^{+}$
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