True or False Questions

Same charges will repel each other and the charges that are different will attract each other.

Graphite is a good conductor of electricity as it contains free electrons to move through the structure of the graphite.

Yes, a square is a rhombus. But a rhombus is not a square unless the interior angles are at right angles.

We know that, a square is a quadrilateral with all sides equal and all the interior angles are 90 deg i.e, at right angles. 

Whereas

a rhombus is also a quadrilateral with all sides equal but the interior angles are not at right angles. Hence, if the interior angles of a rhombus are all at right angles (90 deg), then it is square.

Smoke alarms are also necessary in public places like banks, theaters, rest rooms, aeroplanes,...

Fase. The given statement that a group of turkeys is called an ambush is not true.

The group of turkeys is called Rafter or a flock.

False. The given statement that starting or restarting a computer is called tasking the system is not correct. 

We know that the starting or restarting a computer is called Booting the system.

DNA is made of nucleotides. And these Nucleotides are made of a pentose sugar deoxyribose, a phosphate, and a nitrogen-containing bases.

Hence, the given statement 'Nucleotides are made of a pentose only' is FALSE.

Yes, Every integer is a rational number.  A rational number is a number which can be expressed as a ratio of two integers numerator and denominator where (the denominator not being 0 ).

Hence, Every integer can be expressed in ratio of two integers.