JSS 3
1. The S.I unit of force us --------- (a) Newton (b) Watts (c) Volts (d) Joules
2. The cutting down of trees without replacement is called (a) Desertification
(b) Deforestation (c) Afforestation (d) desert
3. Traits that are seen in every generation is known as ----- (a) Recessive (b)
Dominant trait (c) Projency (d) Albinism
4. Which of the following is not an agent of soil erosion (a) water (b) wind (c)
soil (d) ice
5. Wind erosion is common in which part of Nigeria (a) Southern region (b)
Northern region (c) western region (d) Eastern region
6. In which of the layer of atmosphere can ozone be found (a) Troposphere (b)
stratosphere (c) thermosphere (d) ionosphere
7. Which of these disease is not inheritable (a) Anaemia (b) shortsightedness
(c) High blood pressure (d) leukemia
8. Ozone consist of (a) one atom of oxygen (b) six atoms of oxygen (c) two
atoms of oxygen (d) three atoms of oxygen
9. The artificial causes of Desertification include the following except (a)
Absence of rain (b) cutting of trees (c) Bush burning (d) overgrazing
10.------- is the transformation of a fertile land into an arid land (a)
Deforestation (b) depletion (c) Desertification (d) Bush burning
11.Object thrown up falls down due to (a) weight (b) mass (gravitational force
(d) Bush burning
12.Transmittable characters that are passed from Parents to offspring from
one generation to another are called --- (a) family tree (b) family traits (c)
characters (d) chromosomes
13.All this gases cause global warming except (a) oxygen (b) sulphur(iv) oxide
(c) carbon monoxide (d) carbon dioxide
14.Animals that live both on land in water are called (a) Amphibians (b)
Aquatic (c) primates (d) turtles
15.The temperature at which a substance changes from a solid state to liquid
state is called (a) melting point (b) boiling point (c) condensation (d)
freezing point
16.The process of separating petroleum into different components is called (a)
refining (b) distillation (c) fractional distillation (d) cracking
17.The kinetic energy of a bullet of mass 1kg fired from a gun moving with a
velocity of 4m/s is (a) 2J (b) 1.5J (c) 0.5 J (d) 4J
18.Power is defined as (a) ability to do work (b) strength of a man (c) rate of
doing work (d) Energy of a man
19.The removal of the topmost layers of the soil by wind and water is ------ (a)
soil erosion (b) Water erosion (c) Afforestation (d) glacier erosion
20.An organism that hunts and kills another organism is called (a) Prey (b)
predator (c) parasite (c) wild animals
THEORY
1. Define the following terms
(a) Deforestation
(b) Desertification
(c) Flooding
(d) Soil erosion
(e) Element
2. List and explain 5 causes of Erosion
(b) mention 6 function of NAFDAC
3. Write down the full meaning of the following
(a) FEPA
(b) NAFDAC
(c) NAFCON
(d) NDLEA
(e) NPF
4. List 5 elements with their symbols
(b) mention 5 compounds with their formula
© Mention 5 control measures of Deforestation
