In the following questions, out of the four alternatives, select the alternative which is the best substitute of the phrase.
A person's last performance
Eating mud
Kiling of birds
Love for dogs
Lack of civic-mindedness or of patriotism
Study of snakes
Preferring or attracted to sunlight
Mutual discourse
In the following questions, four words have been given out of which one word is incorrectly spelt. Select the incorrectly spelt word.