Fill in the Blanks

 'Innuendo' means an indirect intimation about a person or a thing especially in a derogatory nature. It is the most appropriate word to be used in this context.

Fact means reality.

Food (material obtained usually from plant origin containing vital nutrients). Food grain is the correct option.

Good means beneficial or advantageous. It is the best expression here.

'Migrating' means 'to move from one region to another'.

"Higher doses" refers to 'greater than normal, in quantity or size'. 

The building in which horses are kept is a 'stable'.

Runways are in airports, classrooms are in schools and planets are in space. Hence, correct option is 1.

To travel by getting free rides is called hitchhiking.

A hexagon refers to polygon having six sides and six angles. A pentagon has five sides and five angles and a rectangle has four sides. The correct option is 1.

A computer program that is meant to damage the computer's memory or to cause harm to another program is a virus. 

Only 'spent' fits best here. 

Aid means to provide help or support. Other words are used differently. Hence, option 1 is the correct answer.

‘Organs’ means body parts. So, option 1 is correct.

'Lost' is the past participle form of 'lose', which means occupied or absorbed. 'Loose' means 'not fastened or fitted'. The sentence is 'Ali was completely absorbed in his book' and as the sentence indicates past tense, we will use ‘lost’. So, option 3 is correct.