In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

Time perception raises a number of ______ puzzles, including what it means to say we perceive time.

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

Mutual discourse

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

Preferring or attracted to sunlight

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

Lack of civic-mindedness or of patriotism

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

Study of snakes

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

Love for dogs

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

Eating mud

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

Kiling of birds