MCQ
Turgor pressure become equal to the wall pressure when:
- ASolute goes from cell into water.
- BWater enter the cell.
- CWater leaves the cell.
- ✓No exchange of water takes place.
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| Coloumn $I$ | Column $II$ | ||
| $a.$ | Epinephrine | $i.$ | Stimulates muscle growth |
| $b.$ | Testosterone | $ii.$ | Decrease in blood pressure |
| $c.$ | Glucagon | $iii.$ | Breakdown of liver glycogen content |
| $d.$ | Atrial natriuretic factor | $iv.$ | Increases heart beat |
$(a)$ Stimulates the process of bone resorption
$(b)$ Decreases $Ca ^{2+}$ level in blood
$(c)$ Reabsorption of $Ca ^{2}+$ by renal tubules
$(d)$ Decreases the absorption of $Ca ^{2+}$ from digested food
$(e)$ Increases metabolism of carbohydrates
Choose the most appropriate answer from the options given below:
Assertion $A$ : The first stage of gametophyte in the life cycle of moss is protonema stage.
Reason $R$: Protonema develops directly from spores produced in capsule.
In the light of the above statements, choose the most appropriate answer from options given below:
Assertion $A$: Nephrons are of two types: Cortical and Juxta medullary, based on their relative position in cortex and medulla.
Reason $R$: Juxta medullary nephrons have short loop of Henle whereas, cortical nephrons have longer loop of Henle.
In the light of the above statements, choose the correct answer from the options given below: