The practise of having two wives or husbands at a time is called :

Answer: Option D

Explanation:

Psephologist meaning in Hindi : चुनाव विश्लेषक

Anthropologist means One who studies the evolution of mankind (मानवविज्ञानी).

Cartographer means One who draws maps (मानचित्रकार).

Laxicographer means One who complies a dictionary (कोश-लेखक).

Answer: Option A

Explanation:

Clang means resonant metallic sound.

Bray means sound of asses.

Moan means sound by a person in agony.

Answer: Option B

Explanation:

Mew means Sound of the cats.

Clank means Sound of the chains.

Low means Sound of the Cattle.

Answer: Option D

Explanation:

Plutocracy means धनिक तन्त्र.

Theocracy means Government by the laws of religion (धर्मतन्त्र).

Thearchy means Government by the Gods.

Monarchy means Government by the King/Queen (एकतंत्र).

Answer: Option C

Explanation:

Adultery means the practise of having extra marital relations.

Alimony means an allowance paid to wife on divorce.

Celibacy means a state of abstention from marriage.