CSS General Science & Ability Past Paper 2010
PART-1(Objective-MCQs) 50 Marks
Q.1. Select the best option/answer
Q1 Water is heated in a kettle. The inside water is heated by convection. A person sitting near the fire receives heat by.
(A) Conduction
(B) Convection
(C) Radiation
(D) Reflection
(E) None of these
Q2 A time can come when we will be able to design a machine which can go on working for ever without the expenditure of energy. Is it possible?
(A) No
(B) Yes
(C) In due course of time
(D) Very soon
(E) None of these
Q3 The measurement of rainfall is made by an instrument known as:
(A) Hygrometer
(B) Barometer
(C) Hydrometer
(D) Pedometer
(E) None of these
Q4 Light year is a unit of:
(A) Distance
(B) Time period
(C) Light intensity
(D) Time
(E) None of these
Q5 Three elements needed for the healthy growth of plants are:
(A) N, P, K
(B) N, C, P
(C) N, K, C
(D) N, S, P
(E) None of these
Q6 Copper can be converted into gold by:
(A) Heating
(B) Artificial Radioactivity
(C) Electroplating
(D) Chemical Reaction
(E) None of these
Q7 In winter an iron pipe feels colder than a wooden window. This is because wood is:
(A) Conductor
(B) Non-Conductor
(C) Semi-Conductor
(D) Not a solid while iron is a solid
(E) None of these
Q8 The echo (reflected sound) will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least:
(A) 1120 ft
(B) 120 ft
(C) 56 ft
(D) 100 ft
(E) None of these
Q9 It is possible to recognize a person in the dark by simply hearing his unique voice. It is because of the:
(A) Pitch
(B) Frequency
(C) Time period
(D) Quality
(E) None of these
Q10 When a ray of sunlight enters a dark room, its straight path becomes visible because of dust particles hanging in the air. It is because light is:
(A) Visible
(B) Transparent
(C) Invisible
(D) Opaque
(E) None of these
Q11 A six feet tall lady wants to see her full image in a plane mirror. The minimum length of the mirror will be:
(A) 6 feet
(B) 12 feet
(C) 4 feet
(D) 3 feet
(E) None of these
Q12 The principle used in radar is the same as that of Sonar. In radar we use radio waves; whereas in Sonar we use:
(A) Red Waves
(B) Infrared Waves
(C) Ultrasonic
(D) Supersonic
(E) None of these
Q13 In a fission nuclear reaction, a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a heavy nucleus. This nuclear reaction is called:
(A) Chemical Reaction
(B) Nuclear Reaction
(C) Fission nuclear reaction
(D) Fusion nuclear reaction
(E) None of these
Q14 Parsec is a unit of:
(A) Energy
(B) Time
(C) Power
(D) Distance
(E) None of these
Q15 German Silver is an alloy of:
(A) Zn + Ni
(B) Cu + Zn
(C) Cu + Ni
(D) Cu + Sn
(E) None of these
Q16 The Continent Antarctica lies at the:
(A) North pole
(B) South pole
(C) Middle of the earth
(D) Equator
(E) None of these
Q17 The temperature of the dead body is:
(A) 0°C
(B) 37°C
(C) Room temperature
(D) Temperature of the place where it is kept
(E) None of these
Q18 Lactometer is a type of hydrometer which is used to measure the specific gravity of:
(A) Honey
(B) Water
(C) Milk
(D) Olive Oil
(E) None of these
Q19 Cusec is a unit of:
(A) Area
(B) Time
(C) Distance
(D) Mass
(E) None of these
Q20 The deepest place on earth is:
(A) Trench
(B) Mariana Trench
(C) Mangrove
(D) Groove
(E) None of these
Q21 Twinkling of stars is caused by the:
(A) Reflection of light
(B) Polarization of light
(C) Refraction of light
(D) Interference of light
(E) None of these
Q22 Magnifying power of a simple microscope can be increased by:
(A) Increasing focal length of the lens
(B) Decreasing focal length of the lens
(C) Lens of large aperture
(D) Lens of short aperture
(E) None of these
Q23 Bronze medal is made up of metals:
(A) Copper, Nickel
(B) Copper, Tin
(C) Copper, Silver
(D) Copper, Zinc
(E) None of these
Q24 One of the countries through which equator passes is:
(A) Kenya
(B) Pakistan
(C) Malaysia
(D) Malta
(E) None of these
Q25 A very important practical application of properties of matter is hoeing or “godi” practiced by the farmers. This property of matter is called:
(A) Elasticity
(B) Stress
(C) Capillarity
(D) Strain
(E) None of these
Q26 It is observed that the total pressure exerted by air on the man of average size is around 14.7 lb wt. per square inch. But the man feels quite comfortable. It is because:
(A) An equal and opposite pressure acts from inside
(B) Of the height of a man
(C) Of gravity
(D) Earth pulls the man upward
(E) None of these
Q27 A nuclear reactor is a device used to carry out controlled nuclear reaction whereas GM counter is a device used to detect:
(A) Current
(B) Voltage
(C) Nuclear Radiation
(D) Power
(E) None of these
Q28 A body can escape the gravitational pull of the earth if it is thrown up with a velocity of:
(A) 25 miles/sec
(B) 60 miles/sec
(C) 7 miles/sec
(D) 10 miles/sec
(E) None of these
Q29 Night vision is possible with the help of:
(A) Red Light
(B) Violet Light
(C) Infrared Light
(D) Ultraviolet Light
(E) None of these
Q30 Myopia is a defect of human eye. It can be corrected by using a lens called:
(A) Convex Lens
(B) Concave Lens
(C) Cylindrical Lens
(D) Plano convex Lens
(E) None of these
Q31 Walnuts can be broken in the hand by squeezing two together but not one. It is because of:
(A) Work done
(B) Power
(C) Energy
(D) Volume
(E) None of these
Q32 The instrument which is specially designed for recording earthquake wave is called seismograph which measures earthquake waves on a:
(A) Diatonic Scale
(B) Fahrenheit Scale
(C) Richter Scale
(D) Celsius Scale
(E) None of these
Q33 The planet Mercury completes one rotation around the sun in:
(A) 88 days
(B) 365 days
(C) 98 days
(D) 60 days
(E) None of these
Q34 Fossils found in the lowest geological strata are generally the most:
(A) Advanced
(B) Complex
(C) Primitive
(D) Specialized
(E) None of these
Q35 Evolution can be described as:
(A) A continuing process
(B) A catastrophic event in the past
(C) Static
(D) The attaining of an ideal type
(E) None of these
Q36 What is the only source of new alleles?
(A) Crossing over
(B) Independent assortment
(C) Mutation
(D) Fertilization
(E) None of these
Q37 Polygenic characteristics are controlled by:
(A) Dominant genes
(B) Recessive genes
(C) Multiple genes
(D) Mutated genes
(E) None of these
Q38 Which of the following, lists the four stages of food processing in order?
(A) Ingestion, digestion, absorption, elimination
(B) Digestion, ingestion, absorption, elimination
(C) Ingestion, absorption, elimination, digestion
(D) Absorption, digestion, ingestion, elimination
(E) None of these
Q39 In humans, most nutrient molecules are absorbed by the:
(A) Stomach
(B) Liver
(C) Small intestine
(D) Large intestine
(E) None of these
Q40 The energy needed to fuel essential body processes is called:
(A) Essential nutrient level
(B) Basal Metabolism
(C) Caloric Level
(D) Work energy
(E) None of these
Q41 The number of different chromosomes in human beings is:
(A) 46
(B) 48
(C) 23
(D) 92
(E) None of these
Q42 Mendel’s principle of independent assortment states that:
(A) All characteristics are inherited together
(B) Traits are inherited independently
(C) Genes always assort in a fixed ratio
(D) Two genes of the same character separate independently
(E) None of these
Q43 Plants can be propagated by:
(A) Budding
(B) Cutting
(C) Grafting
(D) All of these
(E) None of these
Q44 The most ancient period of the earth’s history is:
(A) Tertiary
(B) Quaternary
(C) Pre-Cambrian
(D) Mesozoic
(E) None of these
Q45 Antibiotics are used to fight against:
(A) Virus
(B) Bacteria
(C) Fungus
(D) Parasites
(E) None of these
Q46 Which of the following is the largest mammal?
(A) Elephant
(B) Blue whale
(C) Hippopotamus
(D) Giraffe
(E) None of these
Q47 What type of blood cells transport oxygen to the body?
(A) Platelets
(B) Red Blood Cells
(C) White Blood Cells
(D) Plasma
(E) None of these
Q48 Which of the following is a type of white blood cell that helps protect the body against infection?
(A) Erythrocytes
(B) Platelets
(C) Lymphocytes
(D) Phagocytes
(E) None of these
Q49 The heart is located between the two lungs in a cavity called the:
(A) Peritoneal cavity
(B) Abdominal cavity
(C) Thoracic cavity
(D) Pelvic cavity
(E) None of these
Q50 The process by which water evaporates from the leaves of a plant is called:
(A) Respiration
(B) Transpiration
(C) Photosynthesis
(D) Osmosis
(E) None of these
PART-2(Subjective) 50 Marks
Attempt ONLY FIVE questions
Q2. WRITE SHORT NOTE ON THE FOLLOWING BY GIVING THEIR EXACT LIFE SPAN AND CONTRIBUTIONS TO THE FIELD OF SCIENCE. (ACCURATE FACTS WILL BE APPRECIATED) (5 X 2)
(a) AL – BIRUNI
(b) IBN – AL – HAITHAM
Q3. WHAT DO YOU KNOW ABOUT HEREDITARY DISEASES? COMMENT HOW THEY ARE TRANSFERRED FROM PARENTS TO OFFSPRINGS? (3 + 7)
Q4. WRITE BRIEFLY ABOUT ANY FIVE OF THE FOLLOWING: (ANSWER IN THREE OR FOUR SENTENCES) (2 X 5)
(a) PLASTER OF PARIS
(b) REFLEX ACTION
(c) PACE MAKER
(d) SWINE FLU
(e) MICROWAVE OVEN
(f) THE INTERNET
(g) VOLTAGE STABILIZER
Q5. (a) WHAT IS GLOBAL WARMING? IS THERE A SUNNY SIDE TO GLOBAL WARMING? IF YES, EXPLAIN. (2 + 6)
(b) WHAT MAKES THE SEASONS HAPPEN? (2)
Q6. IN WHICH REGION OF THE WORLD, THE FOLLOWING ANIMALS ARE FOUND? GIVE TWO MAIN CHARACTERISTICS OF EACH. (2 X 5)
(a) BLIND DOLPHIN
(b) KANGAROO
(c) PANDA
(d) KIWI
(e) PENGUIN
Q7. (a) IN WHICH ORGAN THESE PARTS ARE PRESENT IN ANIMALS OR HUMAN BODY? (2 + 8)
(b) DESCRIBE THE FUNCTION OF EACH BRIEFLY:
(i) CORONARY ARTERY
(ii) SINO-AURICULAR NODE
(iii) AORTIC VALVE
(iv) AURICLE
Q8. DIFFERENTIATE BETWEEN THE FOLLOWING PAIRS: (2 X 5)
(a) HYDROMETER AND HYGROMETER
(b) PERIMETER AND TELEMETER
(c) ISOTOPES AND ISOMERS
(d) FLYING MAMMAL AND BIRD
(e) VERTEBRATES AND INVERTEBRATES
Q9. (a) WHAT ARE PESTICIDES? EXPLAIN HOW THESE ARE DANGEROUS TO HUMAN BEINGS? (2 + 4)
(b) WHAT DO THE FOLLOWING SCIENTIFIC ABBREVIATIONS STAND FOR? (1/2 EACH)
(i) STP
(ii) LORAN
(iii) SONAR
(iv) MAF
(v) MeV
(vi) MASER
(vii) AWACS
(viii) CCTV