General Science & Ability MCQs 2014

The minimum number of bits required to store the hexadecimal number AF is:
A) 4
B) 8
C) 12
D) 16

Which of the following minerals is most resistant to chemical weathering:
A) Quartz
B) Feldspar
C) Hornblende
D) None of these

An igneous rock contains a radioactive isotope that has a half-life of 10 million years. Careful analysis shows that only one quarter of the original concentration of the parent isotope is left. How old is this igneous rock?
A) 10 million years
B) 20 million years
C) 30 million years
D) 40 million years

The discipline which deals with the understanding and treatment of mental health is called:
A) Applied psychology
B) Clinical psychology
C) Psychoanalysis
D) Psychiatry

Overcooking of food should be avoided because overcooking:
A) Makes the food difficult to digest
B) Makes the food toxic
C) Increases the nutritive value of food
D) Reduces the nutritive value of food

Optical fibre operates on the principle of:
A) Tyndall effect
B) Photoelectric effect
C) Laser technology
D) Total internal reflection

The sensation of the skin is perceived by:
A) Epidermis
B) Dermis
C) Endodermis
D) None of these

The loudness of sound depends on its:
A) Wavelength
B) Frequency
C) Amplitude
D) All of these

If carbon dioxide is passed through lime water for a long time, the cloudy white color (initially formed) disappears because of the:
A) Calcium bicarbonate
B) Calcium hydroxide
C) Calcium carbonate
D) Calcium sulphate

A person standing in front of a mirror finds his image smaller than him and erect. This implies that the mirror is:
A) Plane
B) Concave
C) Convex
D) Not of good quality