From the following statements regarding ...

From the following statements regarding `H_(2)O_(2)`, choose the incorrect statement :

It can act only as an oxidizing agent

It decomposes on exposure to light

It has to be stored in plastic or wax lined glass bottles in dark

It has to be kept away from dust

Text Solution

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The correct Answer is:

It can act as an oxidizing as well as reducing agent.

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Which of the following statements regarding hormones is incorrect?

Hormones are non-are non-nutrient chemicals which acts as intercellular messengers.

Hormones are molecules of low molecular weight and are produced in traces.

Hormones provide enrgy and alos effect growth and metabolic activities of target cell.

Many hormones are produced in inactive from.

Which of the following statement regarding 'human genome' is incorrect?

Human genome consists of `3xx10^9` bp and about 20,500 genes

The average gene size is 3000 bp and dystrophin is the largest known human gene

Chromosome 1 contains maximum (2968) number of genes and Y-chromosome has the least (231) number of genes.

Repeated (or repetitive ) sequences are not present in human genome.

Which of the following statements regarding ozone is incorrect ?

Good ozone' is formed in the lower atmosphere (troposphere) that absorbs harmful UV rays coming from Sun, 'bad ozone' is present in the upper part of atmosphere (stratosphere) that harms plants and animals.

The thickness of the ozone in a column of air from the ground to the top of the atmosphere is measured in terms of Dobson units (DU).

Recognising the deleterious effects of ozone depletion, an international treaty, known as the Montreal Protocol, was signed at Montreal (Canada) in 1987 (became effective in 1989) to control the emission of ozone depleting substances.

None of these