Which of the following statements is not...

Which of the following statements is not true ?

Ionic bonds are non- directional while covalent bonds are directional.

Formation of `pi` - bond shortens the distance between the two concerned atoms.

Ionic bond is possible between similar and dissimilar atoms.

Linear overlapping of atomic p- orbitals leads to a sigma bond.

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The correct Answer is:

Ionic bond cannot be formed between two similar atoms.

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Which of the following statement is not true?

Acquisition of life skills is part of maturation

Acquisition of life skills is part of the social process

Life skills are directly mounded

Life skills are learnt

Hind-II always cut DNA molecules at a particular point by recognising a specific sequence of 4 base pairs.

Besides Hidn -II, today we know more than 900 restriction, enzymes

The name ECO-RI comes from Escherichia coli-13.

Type -II restriction endonuclease I smost useful in genetic engineering

Pheromones are secreted outside the body by the insects .

Aspirin is analgesic and abtipyretic .

Sucrose is a dipeptide commonly known as aspartame .

The DNA assist in the synthesis of RNA molecules .