521. The act of spying--

Espionage

Intelligent

Investigation

All of these

522. Deriving pleasure from inflicting pain on others---

Sadism

Malevolence

Bigotry

Masochism

523. One who possesses many talents--

Versatile

Gifted

Exceptional

Nubile

524. One whose attitude is: 'eat, drink and bemerry'--

Epicurean

Cynic

Materialistic

Stoic

525. A person unable to pay his debts--

poor

solvent

insolvent

miser

526. 'Bibliography' means--

Concerning the Bible

History of books

Collection of Books

Worship of books

527. A remedy for all diseases--

a panacea

paranoma

curator

omnibus

528. A person warking in the same place with another--

Comrade

Colleague

Assistant

Contemporary

529. Decision that can not be taken back----

Irrevocable

Rigid

Order

Brief

530. -- = the failure to obey, the trait of being unwilling to obey.

disrespect

disobedience

irregularity

immodesty

531. The expression 'Ligua franca' means---

common language

first language

technical language

the french language

532. A person who writes about his own life writes--

A biography

biology

A dairy

An autobiography

533. One who studies and treats the diseases of the eye is--

an orthodonist

an opthalmologist

a neurologist

None of them

534. First language means the ---- language.

important

main

natural

official

535. One who knows everything is---

omnipotent

omnivorous

omniscient

omnipresent

536. A place where money is coined--

Valut

Mint

Coinage

Counter

537. A sound which cannot be heard-

Audible

Inaudible

.Obsolete

Whisper

538. The study of ---- is oncology.

cancer

control

nerve

bone

539. 'Plebiscite' is a term related to--

Medicine

Technology

Law

Politics

540. : A pilgrim ia a person who undertakes a journey to a--

Mosque

A new country

Holy place

Bazar