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BASIC SCIENCE JSS 3 SECOND TERM EXAMINATION

BASIC SCIENCE JSS 3 SECOND TERM EXAMINATION

 

EDU DELIGHT TUTORS

2ND TERM EXAMINATION

CLASS: JSS 3

SUBJECT: BASIC SCIENCE

 

1.Whie of the following is the basic unit of inheritance? (a) Blood  (b) Genes    (c) Chromosomes     (d) Nucleus

  1. Full meaning of C.F.C. (a) Chloroflouro Chloride (b) Carbon ferrous Chloride (c) Carbon Fluoro Carbon   (d) Chlorofluoro Carbon
  2. Any substance that cannot be broken down into simpler substance is called (a)Compound (b) Mixture      (c) Element     (d) Iron
  3. An object of 5kg mass, falls with a velocity of 5mls. Calculate the Kinetic Energy (K.E.) of the object. (a) 62.5g (b) 6.25g (c) 625g  (d) 6.25g
  4. Calculate the number of atoms in Al2(SO4)3(a) 15 (b) 16 (c) 17    (d) 18
  5. The gradual washing away of the top soil is called (a) Erosion (b) Graduation     (c) Explosion    (d) Flooding
  6. The organ that pumps blood round the body is called (a) Lung (b) Artery     (c) Heart    (d)Vein
  7. Radioactivity is __________ (a) Radio that is working (b)  Coming together of actions in the nucleus     (c) The spontaneous decay or disintegration of the elements from the nucleus of an element (d) A very bud radio.
  8. Which of the States of Matter has definite shape? (a) Liquid (b) Gaseous      (c) Solid   (d) Water 10. Which of the following is not a characteristics of  living things? (a) Growth  (b) Feeding      (c) Reproduction(d)  Running
  9. A plant differs from animal because Plants (a) Grows (b) Reproduces (c) Respires   (d)Makes its own food.
  10. Fertilization of egg takes place in the ___________(a) Uterus (b) Vagina (c) Fallopian tube     (d) Penis
  11. Which of the following is not a defect of the eye (a) Astigmatism (b) Myopia     (c) Hypermetropia     (d) Scabies
  12. The removal of metabolic waste from the body is called _______ (a) reproduction (b) Excretion (c) Respiratory (d) Growth
  13. Any substance that is generally a poor conductor of heat and electricity is called __________ (a) Wood (b) Non-metal (c) Carbon   (d)Metal
  14. The earth carries out two types of movements namely _______ and ________(a) rotational, walking (b) rotational, jumping (c) rotational, revolution   (d) bouncing , revolution

Basic Technology

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  1. Which of the angles below can be regarded as an angle of equilateral triangle? (a) 350 (b) 450 (c) 600(d) 900
  2. The quality of Timber is reduced by __________ (a) Accidents (b) Defects       (c) Drying (d)Felling
  3. Which of the following is used to control flow of motion? (a) Brake (b) Clutch (c) Cylinder (d)Gear
  4. A straight angle is also known as ________ angle (a) 600 (b) 900 (c) 1200(d)1800
  5. The instrument used in measuring power in a circuit is ____________ (a) Ammeter (b) Galvanometer (c) Ohmmeter (d)   Voltmeter
  6. The unit of measuring for both energy and work is (a) Ampere (b) Joule (c) Newton        (d)   Volt
  7. Which of the following will not convert electrical energy to heat energy? (a) Electric Pressing Iron (b) Electric Store (c) Electric Water Heater      (d)   Toaster
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  1. Solar energy is produced by the ___________(a) Atmosphere (b) Earth (c) Sun       (d)   Moon

 

 

 

The above diagram shows resistors in _________  (a) Field  (b) Parallel     (c) Series       (d)   symbol

  1. The Volt is the practical unit of ___________ (a) Current (b) Potential difference (c) Pow      (d)   Resistance
  2. Which of the following is not a material used in Technology? (a) Wood (b)Metal (c) Rubber       (d)   Pliers
  3. Which of the following in not used for drawing circles (a) French Curve (b) Pair of Compasses     (c) Set Square        (d)   Dividers
  4. The sum of angles in a quadrilateral is ________ (a) 3600 (b) 1800 (c) 1200(d)   900
  5. Which of the following is not a property of metals? (a) Fusibility (b)Colour luster (c) Electroplating (d)  Ductility
  6. Calculate the work done if a box is pulled by a person with force of 20N through a distance of 30m. (a) 600J (b) 6000J (c) 600N       (d)   6000MN
  7. Ante-natal means ____________

 

(a) After birth (b) within birth (c) immediately after birth (d) before birth

 

32       The period between egg laying and hatching in birds is__________ period

 

(a) Incubation (b) delivery (C) relaxation (D) labour.

 

33       _______ is the process of planting trees where they have not excited before

 

(A) Desertification (B) Afforestation (C) Deforestation (D) Reforestation

 

34       The direction of the wind is measured with an instrument called _________

 

(A) Thermometer (B) voltmeter (C) wind vane (D) anemometer

 

35       A barometer is an instrument used to measure ____________

 

(A) Atmospheric pressure (B) humidity (C) wind direction (D) temperature

 

36       Animals affect the weathering of earth when they ___________

 

(A) Sleep (B) big tunnels (C) eat (D) sweat

37       One of the following is a symptom of many other diseases

 

(A) Measles (B) cold (C) malaria (D) headache

 

38       Weathering over a long time changes rock to ___________

 

(A) Water (B) magma (C) soil (D) minerals

 

39       One of these is a symbol of ozone

 

(A) 02 (B) 03 (C) cl2 (D) 0

 

40       Drugs must be taken on recommendation from a qualified ___________

 

(A) Lawyer (B) teacher (C) doctor (D) farmer

 

THEORY B/SCIENCE ANSWER TWO QUESTIONS

1a. State five uses of Radiation

  1. In a tabular form, list five solid minerals in Nigeria and the location they can be found
  2. Define first aid and list materials found in a first aid box
  3. Define Reproduction health.

2a. Mention four human activities that are harmful to the environment

  1. Mention six classes of food
  2. List three natural radio active elements
  3. Write the symbols for the following elements
  4. Hydrogen
  5. Helium

iii. Calcium

3a. A ball of mass 30g is placed 5m above the ground. Calculate its potential energy. Take g = 10m/s2

  1. Give three example of water pollution
  2. Give 3 ways to prevent deforestation.

B/TECH ANSWER TWO QUESTIONS

  1. Using a ruler and a pair of compasses, construct (a) Triangle ABC such that AB = 8cm < ABC = 600 and BC = 6cm. (b)Measure angle A    (c) Measure the length of AC

2a. What is a motion

  1. List four types of doors\
  2. Give four examples of technological professions

3a. Draw a square of 8cm

  1. List three purpose of building foundation
  2. State any four benefits of Technology to the Society.

 

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