Question

Question 1.1. Stanley Miller performed anexperiment in which he simulated the atmosphere of the early Earth,added a spark, and obtained simple organic molecules after a periodof time. (Points : 0.5)

true
false

Question 2.2. The observation that whales haveflippers best matches with which characteristic? (Points :0.5)

members of a speciesvary

struggle forexistence

survival of thefittest

adaptation to theenvironment

competition of limitedresources

Question 3.3. Which of these does NOT describethe primitive atmosphere? (Points : 0.5)

water vapor

plenty of freeoxygen
formed by volcanicgases
no flying creatures
had many sources ofenergy

Question 4.4. In the water cycle, all watereventually returns to __________ because of gravity. (Points :0.5)

the sea
groundwater
lakes
atmosphere as vapor
rivers

Question 5.5. About __________ of the energyavailable at a particular trophic level is incorporated into thetissues at the next trophic level. (Points : 0.5)

1%
5%
10%
25%
30%

Question 6.6. What type of heterotrophs(consumers) grazes directly on plants or algae? (Points : 0.5)

autotrophs
carnivores
omnivores
herbivores
pescavores

Question 7.7. Which of the following describesbiotic potential? (Points : 0.5)

maximum population theenvironment can support

maximum growth rate underideal conditions

maximum birthrate for aspecies

maximum resource usagefor a population

minimum mortality for aspecies

Question 8.8. Select the practice that willNOT contribute to sustainability in agriculture. (Points :0.5)

over crops andmultipurpose trees

integrated pestmanagement

annual addition ofpesticides

precision farmingtechniques

Question 9.9. Which of the following is arenewable resource? (Points : 0.5)

coal
mineral
land
water
natural gas

Question 10.10. Select the practice that willNOT contribute to sustainability in urban areas. (Points :0.5)

greenbelts and greenroofs

efficient publictransportation

plant bluegrass lawnsrather than native grasses

recycling of businessequipment