Which of the following statement is inco...

Which of the following statement is incorrect regarding significant figures?

All the non-zero digits are significant

All the zeros betwee two non-zero digits are significant

Greater the number of significant figrues in a measurement, smaller is the percentage error.

The power of 10 is counted while counting the number of significant figures.

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The correct Answer is:

The power of 10 is irrelevant tt he determination of significant figures.

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Which of the following statements is incorrect regarding mass?

it is a basic property of matter.

The SI unit of mass is kg.

The mass of an atom is expressed in u.

It depends upon the temperature, pressure or location of the object in space.

It is present in animals, bacteria and protistans.

In some cases cell coat is thickened by deposition of calcium, silicon and other salts.

It helps in recognition between microbe and body cell by WBCs and involved in histocompatibility.

It helps in cell aggregation and tissue formation.

They do not conduct electrical impulses.

Neurons can divide with help of glial cells.

Astroglia form the blood-brain barrier in the brain capillaries.

They are the most abundant type of cells in the central nervous system