(I) KWh is the unit of electrical energy...

(I) KWh is the unit of electrical energy not of power.
(II) The frictional force is a conservative force which statement is correct ?
Which Statement is correct ?

I only

II only

Both are correct

None

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The correct Answer is:

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Which of the statement is not correct?

In temperate regions, the cambium is very active in winter season.

In temperate regions, the cambium is very active in spring season.

In temperate regions, cambium is less active in winter season.

In temperate regions early wood is formed in spring season.

A) Sap wood and heart wood can be distinguished in the secondary xylem

B) Sap wood is paler in colour

C) Heart wood is darker in colour

D) The sap wood conducts minerals, while the heart wood conduct water

Aluminium toxicity causes the appearance of brown spots in the leaves.

Aluminium toxicity causes the precipitation of nucleic acid.

Aluminium toxicity inhibits ATPase activity

Aluminium toxicity inhibits cell division.