In the following passage some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each blank.
Sanitation refers to public health conditions___ (1)__ to clean drinking water and adequate treatment and disposal __(2)____ human waste and sewage.  ___(3)___ human contact with faeces is part of sanitation. Sanitation system ___(4)___ to protect human health by providing a clean environment  __(5)___ will stop the transmission of disease.

Select the most appropriate option for blank No. 3.

Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No substitution required’.

A team of biologists have been discovered four new species of horned frogs in the North Eastern region of India.

Select the most appropriate meaning of the given idiom.
 A storm in a tea cup

Direction: In the following questions, a sentence has been given in Active voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive voice.

This picture had been drawn by me.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

The effects of plastic bags on the environment are really (1)______ devastating because there is no disposal method that will really help eliminate the problem. The biggest problem with them is that once they have been (2)______, they end up In the trash, which then ends up in the landfill or is burned. The indefinite period of time that it takes for the average plastic bag to break (3)______ can be literally hundreds of years. Throughout the world, plastic bags are responsible for suffocation and deaths of woodland animals as well as (4)______ soil nutrients. The land litter that is made up of plastic bags has the potential to kill over and over again. It has been estimated that one bag has the potential to inadvertently kill one animal per every three months due to unintentional digestion or inhalation. There are always alternatives to plastic bags and the search for more alternatives continues.

Select the most appropriate option to fill in blank number 4.

Select the INCORRECTLY spelt word.

Select the most appropriate meaning of the given idiom.

Once in a blue moon

Comprehension: In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
 Nitrogen is essential to life (1)______ Earth. It is a component of all proteins, and it can be (2)______ in all living systems. Nitrogen compounds are (3)______ in organic materials, foods, fertilisers, explosives and poisons. Nitrogen is crucial to life, (4)______ in excess it can also be (5)______ to the environment.

Select the most appropriate option to fill in blank number 4.