Basic Science and Technology - Primary 4 - Exams

SECOND TERM EXAMINATION QUESTIONS 2022/2023 SESSION

CLASS: PRIMARY 4   SUBJECT: BASIC SCIENCE AND TECHNOLOGY

SECTION A: MULTIPLE CHOICE QUESTIONS

INSTRUCTION: Choose the appropriate options to answer each of these questions

1.) __________ is the uppermost layer of the earth surface where plants can grow

a.) matter   b. weather c. soil          d. minerals

2.) The best soil for planting is ___________

a.) sandy   b. clay        c. loamy     d. volcanic

3.) Soil houses ____________

a.) microorganisms      b. milch animals c. beasts of burden      d. none of the above

4.) All of these are living organisms in the soil except

a.) centipede       b. millipede c. earthworms     d. shark

5.) Soil can be used to for all these except

a.)  provides shelter for microorganisms

b.) absorb decomposed dead organisms

c.) used to make kitchen utensils

d.) used as drugs

6.) All of these are examples of middle distance races except

a.) 200m    b. 800m     c. 1500m   d. 3000m

7.) __________ is not a basic skill in long distance race

a.) starting b. arm action       c. volleying d. recovery

8.) Anything we throw away and doesn’t get used is called

a.) material b. waste     c. waist      d. writhe

9.) Another name for solid waste is _________

a.) sewage b. refuse    c. debris     d. excreta

10.) All of these are examples of liquid waste except

a.) washing water b. waste detergents    c. urine       d. biscuit wrapper

11.) The destruction of waste with fire is called

a.) composting    b. incineration     c. sanitary land fill         d. recycling

12.) ______________ is the separation of waste into constituent materials to be re-used

a.) composting    b. incineration     c. sanitary land fill         d. recycling

13.) When an empty plastic coke bottle is reused to put water in the fridge, it is called ___________

a.) composting    b. incineration     c. sanitary land fill         d. recycling

14.) When the components of a mixture can be easily separated, it is called ___________

a.) homogenous b. heterogenous c. endoscopy      d. hydrotherapy

15.) All of these are common food mixtures except

a.) smog    b. flour and milk  c. cereals and milk       d. coffee and cream

16.) Mud is a mixture of

a.) dirt and water b. flour and milk  c. cereals and milk       d. coffee and cream

17.) All of these are constituents of the blood except

a.) plasma b. white blood cells      c. red blood cells d. gravel

18.) The ability to move with speed and ease is called __________

a.) agility    b. ability     c. endurance       d. muscular endurance

19.) One of these activities builds flexibility

a.) weight lifting   b. walking briskly          c. swimming        d. jumping rope

20.) __________ is how strong one is

a.) agility    b. endurance      c. strength d. speed

21.) A malicious software that damages the computer and make it not to function well is called __________

a.) virus      b. bacteria c. parasite d. fungi

22.) One of these is not an example of a virus

a.) Trojan horse  b. file infector virus       c. macro virus     d. Norton antivirus

23.) The practical application of scientific knowledge to solve real life problems is called

a.) science b. development   c. technology      d. adventure

24.) Basketball is played by __________ teams

a.) two        b. three      c. four        d. five

25.) All of these are products of technology except

a.) radio     b. generator        c. engines  d. mortar and pestle

26.) The inventor of the Electric bulb is ___________

a.) Gabriel Farenheit    b. Thomas Edison        c. Martins Cooper        d. George Stepheson

27.) _________ is the process of transforming ideas solution and instructions into the language the computer can understand

a.) coding  b. search engine c. gymnastics      d. inventions

28.) ____________ is the inventor of the transformer

 a.) Gabriel Farenheit   b. Thomas Edison        c. Martins Cooper        d. Micheal Faraday

29.) In the _________ competition, the other events are balance beam, uneven bars and the vault

a.) men’s   b. hermaphrodite’s       c. women’s d. children’s 

30.) __________ is the taking in of food and other nourishing substances by the body

a.) feed      b. nutrition c. promotion        d. invention

 

SECTION B: ESSAY QUESTIONS

INSTRUCTION: Answer only three questions

1a.) Enumerate three uses of coding

  b.) State two importance of nutrition

 2.) Explain the following

  i.) scurvy

  ii.) Ricket

  iii.) anaemia

  iv.) goitre

  v.) marasmus

3a.) Highlight two safety precautions at home

  b.) Define dehydration

  c.) State four materials used in shape construction

4.) Write out the metric unit of time

5a.) List four floor activities in gymnastics

  b.) Define physical fitness

  c.) Explain “strength”

6a.) Explain the meaning of waste disposal

  b.) How are crops planted?

  c.) List two components of the soil