JSS 2 THIRD TERM EXAMINATION BASIC SCIENCE
CLASS: J.S.S 2
SUBJECT: BASIC SCIENCE
- The bones are held together by rope like materials called ______(a) Pivot(b) Ligament (c) Skeletal
- _______is a increase in size of an organism due to increase in number of calls ______ (a) increment (b) growth (c) changes
- Growth changes can be determined by measurement of _______and_______ (a) height and growth (b) height and weight (c) growth and size
- The stage from birth to puberty is ______ (a) adulthood (b) childhood (c) changes
- ______ is the rigid body structure which supports movements in animals. (a) spine (b) skeleton (c) joint
- Hinge joint is the type of joint found in all except ____ (a) shoulder (b) in the fingers (c) at the toes
- In ________ changes the original substance can easily be recovered. (a)physical (b) chemical (c) heat
- Changes in which new substances are formed is ______ (a) chemical changes (b) solid change (c) physical change
- A point where two bones meet is called ______ (a) joint (b) jointer (c) connector
- The exchange of gases either through the nose or mouth is known as __________ (a) breathing (b) air take in (c) respiratory
- Ante-natal means ____________ (a) After birth (b) within birth (c) immediately after birth (d) before birth
- The period between egg laying and hatching in birds is__________ period(a) Incubation (b) delivery (C) relaxation (D) labour.
- _______ is the process of planting trees where they have not excited beforen (A) Desertification (B) Afforestation (C) Deforestation (D) Reforestation
- The direction of the wind is measured with an instrument called _________ (A) Thermometer (B) voltmeter (C) wind vane (D) anemometer
- A barometer is an instrument used to measure ____________(A) Atmospheric pressure (B) humidity (C) wind direction (D) temperature
- Animals affect the weathering of earth when they __________ (A) Sleep (B) big tunnels (C) eat (D) sweat
- 17 One of the following is a symptom of many other diseases (A) Measles (B) cold (C) malaria (D) headache
- 18 Weathering over a long time changes rock to ___________ (A) Water (B) magma (C) soil (D) minerals
- One of these is a symbol of ozone (A) 02 (B) 03 (C) cl2 (D) 0
- 20 Drugs must be taken on recommendation from a qualified ___________ (A) Lawyer (B) teacher (C) doctor (D) farmer
- C.F.C means _________________________________________________
- All elements are made of________________________ (A) Rest (B) atoms (C) ions (D) gases
- H.F.C means___________________________________________________
- U.V means_____________________________________________________
- Ozone is a form of _________________ (A) Carbon (B) nitrogen (C) hydrogen (D) oxygen
SECTION B
- What is growth and development?
- State five factors affecting growth and development.
- Discuss changes in non-living things.
- State three differences between physical and chemical changes.
- State five reasons why human beings need to move about.
- What is respiratory?
- List the respiratory organs and state their functions.
- Define joint.
- State with example, three types of joint.