General Science and Ability 2014

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

**Which of the following minerals is most resistant to chemical weathering:**A) QuartzB) FeldsparC) HornblendeD) None of these Show Answer Correct Answer: A – Quartz

**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 yearsB) 20 million yearsC) 30 million yearsD) 40 million years Show Answer Correct Answer: B…

**The discipline which deals with the understanding and treatment of mental health is called:**A) Applied psychologyB) Clinical psychologyC) PsychoanalysisD) Psychiatry Show Answer Correct Answer: B – Clinical psychology

**Overcooking of food should be avoided because overcooking:**A) Makes the food difficult to digestB) Makes the food toxicC) Increases the nutritive value of foodD) Reduces the nutritive value of food Show Answer Correct Answer: D – Reduces the nutritive value of food

**Optical fibre operates on the principle of:**A) Tyndall effectB) Photoelectric effectC) Laser technologyD) Total internal reflection Show Answer Correct Answer: D – Total internal reflection

**The sensation of the skin is perceived by:**A) EpidermisB) DermisC) EndodermisD) None of these Show Answer Correct Answer: B – Dermis

**The loudness of sound depends on its:**A) WavelengthB) FrequencyC) AmplitudeD) All of these Show Answer Correct Answer: C – Amplitude

**If carbon dioxide is passed through lime water for a long time, the cloudy white color (initially formed) disappears because of the:**A) Calcium bicarbonateB) Calcium hydroxideC) Calcium carbonateD) Calcium sulphate Show Answer Correct Answer: A – Calcium bicarbonate

**A person standing in front of a mirror finds his image smaller than him and erect. This implies that the mirror is:**A) PlaneB) ConcaveC) ConvexD) Not of good quality Show Answer Correct Answer: C – Convex