E-PolyLearning

11. A walnut tree can be saved from attack of aphid biologically by a parasite
a. wasp
b. bee
c. leech
d. lice
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Answer: (a).wasp

12. A synthesized knowledge of science may have observations which can be qualitative and
a. deductive
b. inductive
c. quantitative
d. exact
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Answer: (c).quantitative

13. A change in evolution give rise to increase in
a. biodiversity
b. population
c. community
d. geological periods
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Answer: (a).biodiversity

14. A group of similar individuals that actually or potentially interbreed in nature are called
a. community
b. population
c. groups
d. species
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Answer: (d).species

15. Any theory is considered a good theory if it leads to further hypothesis and is known as
a. productive hypothesis
b. generative hypothesis
c. nil hypothesis
d. multiple hypothesis
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Answer: (a).productive hypothesis

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