Which one of the following is not an important cause of the weakness of modern family?

The . . . . . . . . tribe has a double standard morality whereby a woman as a wife (ranti) has to observe a strict sex moral code, but as a daughter (dhyanti) has a free scope to have as many liaisons and amours as she likes.

According to Morgan, which of the following is the correct order of evolution of family?

Match List-I with List-II and select the correct answer:
List I List II
a. Nuclear family 1. Traditional family
b. Joint family 2. Modern family
c. Patriarchy 3. Universal phenomena
d. Matriarchy 4. Few pockets of society

Which of the following acts first recognised Monogancy as the accepted form of marriage?