Basic Science Exam Questions for JSS2 Class

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 SECTION A (OBJECTIVE) ANSWER ALL QUESTIONS
1. Which of the following is NOT a water pollutant   (a)Crude oil  (b)sewage   (c)fertilizers   (d)soil
2. The part of the male reproductive organ that produces millions of sperm cell at a time is called? (a) penis (b) testes (c)scrotum  (d) urethra
3. The contamination of our environment with harmful substances is termed   (a)sanitation  (b)pollution  (c)ventilation  (c)industrialization
4.  All these are ways of preventing diseases except   (a)education  (b)immunization (c)cleanliness (d)self-medication
5. The state of ill health is also knowas  (a)disease  (b)immunization  (c)sickness  (d)wellness
6. The use of drugs for an appropriate purpose but an in proper dosage is called  (a)drug
abuse  (b)drug misuse  (c)drug overdose  (d)drug addiction
7.  A way of controlling soil pollution is by  (a)bush burning (b)using fertilizers  (c)dumping
of refuse on the street (d)recycling non-biodegradable materials
8.   Which of these is an example of biodegradable soil pollutant?  (a)sewage  (b)oil spill
(c)plastic  (d)rusted metal
9.   Which of the following is NOT an example of air pollutants?   (a)dust  (b)carbon(ii)oxide  (c)oxygen  (d)sulphur(iV)oxide
10.  The process by which parents produce new offspring of their kind is termed  (a) Production (b) Reproduction (b)Reproductionn (c) fertilization (d) Immunization
11.  Which the following is a component ICT? (a)Calculator (b)Fax machine (c)None of the above (d) Microphone
12.  The process of storing, retrieving, manipulatingand transmitting digital data is called (a) Technology (b)Science (c) ICT(c)Telecommunication (d)Computers
13.  Joule is the unit of (a)Energy (b)work (c)force(d)Speed
14.  The energy of a body due to its  positionof rest is called (a0kinetic enegy (b)potential energy (c) work done (d) heat energy
15.  Power is defined as (a) the ability to do work (b)work done over time taken (c) the ability to dance (d) the strength of principal
16.  The full meaning of HIV is (a) Human immune
deficiency syndrome (b) Acquired immune deficiency virus (c)Human immuno virus
(d) Human immune virus
17.  The following are example of communicable diseases except (a) syphilis (b)gonorrhea (c) Apollo (d)diabetes
18.  The state of ill-health is referred to as (a) disease (b)virus (c) disease vectors (d) virus
19.  Chemical substance taking  into the body which alternate the body system positively or negatively is (a) Drug abuse (b)drugs (c) marijuana (d) panadol
20.  Dark brown chemical substances formed from the remains of dead plants and animal matters years ago in the ground is referred to as (a) petrochemicals (b) crude oil  (c) detergent (d) oil
21.  The harmful substance that contaminate water bodies
are called   (a)pollutants  (b)oil spillage  (c)effluents  (d)sewage
22.  Which of the following is not caused by using contaminated water? (a)HIV/AIDS  (b)malaria  (c)cholera (d)dysentery
23.  ——– is anything that has mass and occupies space  (a)heat  (b)solid  (c)matter  (d)light
24.  ——— change is easily reversible  (a)permanent (b)temporary  (c)solid change
(d)liquid change
25.  All living things have (a) life (b) exist as plant (c) move by bending to water and light (d) excrete

SECTION B. ANSWER 4 QUESTIONS ONLY

1a. What are crude oil
b. List 4 examples of petrochemical products
c.Mention 3 ways of disease transmission
2a. Explain the term air pollution
b.List 4 examples of diseases
c.state three ways of contracting HIV/AIDS
d.What are the effects of drug abuse on youths?
3a. Define the  following terms  (i)Drug abuse  (ii)disease  (iii)immunization  (iv)water
pollution (v)Air pollution
b.Define ICT and state three uses of ICT in today’s life
c.List five major components of Information and communication technology
 d.What is the name of the instrument used for detecting the presence of crude oil
in a particular environment is called
4a. state 4 dangers involved in the wrong use of drugs.
b.What are petrochemicals?
c.list 5 parts of the male reproductive system
d.list two types of reproduction and define one.
5a. List 3 physical changes that occur in girls during   puberty.
b.calculate the work done by a boy moves a distance of 40 meter and applied a
force of 10N
c.differentiate between potential energy and kinetic energy


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