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. Comprehension:
One complaint parents and teachers have about children these days is that they are simply not interested in (1)______. In his weekly column ‘Down in Jungle land’ Ranjit Lal, an (2)______ offers some useful suggestions. Keeping a dog or cat as a pet (3)______ to be made mandatory. Regular visits to national parks and (4)______ are another way to get children hooked. Treks in wilderness areas are even (5)______ as children can then engage with all kinds of life-forms on their turf.
Select the most appropriate option for blank number 4.