(GENERAL SCIENCE AND ABILITY)
TIME ALLOWED: 2.5 HOURS
MAXIMUM MARKS: 100
(i) SUBJECTIVE PART is to be attempted on separate answer book.
(ii) Attempt ONLY FOUR questions from SUBJECTIVE PART by selecting TWO questions from each SECTION. ALL questions carry EQUAL marks.
(iii) All the parts (if any) of each Question must be attempted at one place instead of at different places.
(iv) Write Q. No. in the Answer Book in accordance with Q. No. in the Q. Paper.
(v) No Page/Space be left blank between the answers. All the blank pages of Answer Book must be crossed.
(vi) Extra attempt of any question or any part of the question will not be considered.
SUBJECTIVE PART ― PART-II
Q.1. (A) Throw some light on the recent discovery of parallel universe.
(B) Differentiate between different types of winds.
(C) Explain the causes behind volcanic eruption. Where are the world’s oldest volcanoes located?
(D) Non-renewable energy sources are eventually running out. How do you see a world using renewable energy sources only?
Q.2. (A) Differentiate between covalent bond and coordinate covalent bond. Write down the electronic configuration of Sn-50.
(B) What is a vaccine? What are the different methods employed in the preparation of vaccines? Do you see the invention of vaccine of Covid-19 anytime soon?
(C) How living things are classified into five kingdoms? Write down the distinctive features of kingdom Monera.
(D) How are mitochondria acting as the power houses of the cell?
Q.3. (A) Which air pollutants are posing the greatest threat to human lives? What is the source of CO?
(B) Define Semi-conductors. Explain the formation of a depletion region in case of a PN junction.
(C) Write a note on Balanced Diet.
(D) Explain different methods of food preservation.
Q.4. (A) Draw the block diagram of computer and label it’s part.
(B) Define Networking. Differentiate between LAN, MAN and WAN.
(C) Elaborate the fundamentals of Artificial Intelligence.
(D) Define Fiber Optics. What are the different types of fiber optics? On which principles do fiber optics work?
Q.5. (A) A recipe for oatmeal cookies calls for 2 cups of flour for every 3 cups of oatmeal. How much flour is needed for a big batch of cookies that uses 9 cups of oatmeal?
(B) A zoo has 15 emperor penguins who make up 30 % of the total number of penguins at the zoo. How many penguins live at the zoo?
(C) At a parking station, there are 100 vehicles, 60 of which are cars, 30 are vans and the remainder are lorries. If every vehicle is equally likely to leave, find the probability of;
(i) Van leaving first
(ii) Lorry leaving first
(iii) Car leaving second if either a lorry or van had left first.
(D) After taking 3 quizzes, your average is 72 out of 100. What must your average be on the next five quizzes to increase your average to 77?
Q.6. (A) Kamal has 6 cans of regular soda and 15 cans of diet soda. He wants to create some identical refreshment tables that will operate during the American football game. He also doesn’t want to have any sodas left over. What is the greatest number of refreshment tables that Kamal can stock?
(B) A person has to walk 100 meters to go from position X in the north of east direction to the position Y and then to the west of Y to reach finally at position Z. The position Z is situated at the north of X and at a distance of 60 meters from X. Find the distance between X and Y.
(C) If A= Set of Even Numbers, B= Set of Prime Numbers, U= Set of Whole Numbers up to 25, Find A ⋂ B.
(D) What do you mean by the measure of central tendency? State its types.
Q.7. (A) Mushtaq, Pervez, Ehsan, Umair and Saleem are friends having different heights and weights. Mushtaq weighs four times as much as Pervez and Pervez weighs double than Ehsan. Ehsan weighs half as much as Umair and Umair weighs half as much as Saleem.
Who is the heaviest among five friends?
Who is the second heaviest?
Who has the lowest weight?
Who are equal in weight?
Mention the descending order.