# General Science & Ability 2018

• Jun- 2023 -
5 June

## 1. (A). Describe different causes and preventions of ‘Polio’ (B). Define the term ‘Bio-Fuel’. How is it helpful to promote clean energy?

(A) Polio is a highly infectious viral disease caused by the poliovirus that spreads mainly through contaminated food, water, or…

• 5 June

## 10. (A). Describe different methods to estimate the age of the Universe. (B). Explain the formation of Lunar Eclipse. (C). Explain the terms Dark Energy and Dark Matter. (D). Define the term Black Hole. What’s expected inside it?

(A) Different methods used to estimate the age of the Universe include: Observing the oldest known stars in the Universe…

• 5 June

## 9. (A) Divide Rs.500 between Arham, Mariam and Sarim so that Arham gets 2/3 of what Mariam gets and Mariam gets ¼ of what Sarim gets. Find the share of each. (B) A school has enough provision of food for 52 days. After 20 days a group of 400 students arrives and the food would have last for 24 days only. How many students are there in the school actually?

A) Let’s assume the share of Mariam is x. Then, according to the given conditions: Arham’s share = 2/3 x…

• 5 June

## 8. (A) A man buys 5kg of meat at Rs.500 per kg. In addition, for every kilogram of meat purchased, he has to pay a consumption tax of 6% on the selling price. Calculate the total amount of money that he has to pay. (B) It takes Ali 30 minutes to mark a paper. Aslam only needs 25 minutes to mark a paper. If they both start marking papers at 10:00 AM, at what time they will finish marking at the same time?

A) Cost of 5kg of meat = 5 x 500 = Rs. 2500 Tax on selling price = 6% of…

• 5 June

## 7. (A) Differentiate with examples between a “Pictogram” and “Histogram”. (B) The teachers of a certain school were asked to indicate the average number of hours they spend on marking students’ assignments each day.

A) A pictogram is a graphical representation of data that uses pictures or symbols to represent quantities or categories. For…

• 5 June

## 6. (A) Differentiate between RAM and ROM. (B) Name three basic buses employed in a computer and explain what each is used for. (C) Draw a basic computer block diagram and briefly explain the function of each part. (D) Describe various types of computers classified on the basis of size, memory, capacity and speed.

A) RAM (Random Access Memory) and ROM (Read-Only Memory) are both types of computer memory, but they serve different functions.…

• 5 June

## 5. (A) What is a mirage? Describe in detail the creation of mirage. (B) Differentiate between the occurrence of Lunar and Solar Eclipse.? (C) Briefly explain what effects are produced due to Rotation & Revolution of Earth? (D) Most of the household appliances utilize ‘DC’ then why we generate ‘AC’ at power stations?

A) A mirage is an optical phenomenon that occurs when light rays bend as they pass through different layers of…

• 5 June

## 4. (A) Explain in detail the common causes of Heart Attack. (B) Differentiate between drug addiction and drug abuse. (C) Draw the structure of human ear and briefly explain its functions. (D) What is the significance of Vitamins? Describe the sources, uses and deficiency symptoms of fat soluble vitamins.

(A) Heart Attack, also known as myocardial infarction, occurs when the blood flow to the heart is blocked or reduced,…

• 5 June

## 3. (A) What are the factors responsible for environmental pollution? (B) Briefly explain the main reasons of water-logging in Pakistan. (C) What do you mean by Ozone depletion and how we can prevent its depletion? (D) What is an Acid Rain and how it is produced. Briefly describe the dangers associated with it.?

There are several factors that can contribute to environmental pollution, including: Industrial Activities: Various industrial processes, such as manufacturing, mining,…

• 5 June

## 2. (a) Differentiate between primary and secondary mental abilities. How the general mental ability scales differ from IQ test. (b) Y = mX + C is an equation of straight line. Draw a graph showing relationship between X and Y and relate the equation to the slope and intercept on the graph.

(a) Primary mental abilities are basic cognitive abilities that underlie a wide range of tasks, such as verbal comprehension, spatial…