BIOLOGY TEST X AKUEB With SLO'S REFERENCE

BIOLOGY TEST X AKUEB With SLO'S REFERENCE

1. Spindle are composed of mainly a protein : SLO # 15.2.5

a) Micro lobules
b) Mitochondria
c) Nucleolus
d) Golgi bodies
2. An ecosystem is made up of : SLO # 16.1.1

a) Produers
b) Decomposers
c) Consumers
d) All of these
3. The succession ends with a diverse and relatively stable : SLO # 16.1.1

a) Community
b) Biosphere
c) Climax community
d) Eco system
4. An association between members of different species in which both get benefit from each other is called : SLO # 16.4.1

a) Symbiosis
b) Mutualism
c) Parasitism
d) Commesalism
5. The total amount of energy fixed by plants is : SLO # 16.3.2

a) Net primary productivity
b) Secondary primary productivity
c) Gross primary productivity
d) Biomass
6. Herbivores are dominant animal species in : SLO # 16.1.2

a) Temperate deciduous forests
b) Coniferous forests
c) Deserts
d) Grasslands
7. The most common reason for conversion of garsslands into deserts is : SLO # 16.7.2

a) Overgrazing
b) Low rain fall
c) Temperate climate
d) Eutrophication
8. Smaller animals in desert ecosysetm survive without drinking water. They get all the water they need from : SLO # 11.2.1

a) Produced during respiration
b) Stored in their body
c) Their food
d) Both A & C
9. The earth's natural resources include : SLO # 16.1.2

a) Water and soil
b) Chemical elements
c) All these
d) Living organisms
10. As chlorofluorocarbons ( CFCS ) rise in the atmosphere ultraviolet rays causes : SLO # 16.5.3

a) Carbon to release
b) Flourine to release
c) Chlorine to release
d) All these are released
11. One of the following is a hormonal disorder : SLO # 12.5.1

a) Small pox
b) AIDS
c) Seurvy
d) Goiter
12. Which of the following has resulted in destruction of natural habitat of organisms : SLO # 16.7.2

a) Over hunting
b) Deforestation
c) Overgazing
d) All these
13. Osteoarithritis and arteriosclerosis are : SLO # 13.4.3

a) Genetic disorders
b) Physical infections
c) Physical disorders
d) Degenerative disease
14. A muscle fiber contain contractile sub-unite called : SLO # 13.3

a) Micro fiber
b) Myo-filament
c) Myo-fiber
d) Contractile band
15. About half of liter of air gets in and out during normal breathing : SLO # 10.3.2

a) Tidal volume
b) Vital capacity
c) Expiratory volume
d) Residual volume
16. In protein biosynthesis the codon used as start signal is : SLO # 15.2.5

a) AUG
b) UAA
c) UGA
d) GUA
17. Energy enters the ecosystem is enters through : SLO # 16.1.2

a) Consumers
b) Carnivores
c) Producers
d) Herbivores
18. The basic of life support system on planet earth is : SLO # 16.2.3

a) Work
b) Energy
c) Pollution
d) All of them
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