General Science & Ability MCQs 2005

Select the correct association:
A) Oxidation - loss of an electron
B) Oxidation - gain of an electron
C) Reduction - gain of a neutron
D) None of these

The radioactive isotope of uranium used in a nuclear bomb is:
A) 92U235
B) 92U234
C) 92U233
D) None of these

Human population growth is greatest in developing countries because:
A) The birth rate is high in developing countries
B) The death rate is high in developing countries
C) Much of the population has already reached puberty
D) None of these

Which woody raw material is used for the manufacture of paper pulp?
A) Cotton
B) Poplar
C) Rice straw
D) None of these

Rectified spirit contains alcohol about:
A) 80%
B) 95%
C) 70%
D) None of these

Which of the following elements is not present abundantly in Earth's crust?
A) Silicon
B) Radium
C) Carbon
D) None of these

The famous book Al-Qanoon was written by the Muslim scientist:
A) Jabir Ibn Hayyan
B) Zakariya Al-Razi
C) Abu Ali Sina
D) None of these

Basic metals can be converted into gold by:
A) Heating
B) Beating
C) Artificial nuclear radioactivity
D) None of these

A light year is a unit of:
A) Time
B) Energy
C) Length
D) None of these

One of the main functions of the Earth's ozone layer is to:
A) Prevent global warming
B) Filter out ultraviolet rays
C) Absorb pollution
D) None of these