E-PolyLearning

26. Groups of similar cells that are arranged into loose sheets or bundles are called
a. cells
b. tissues
c. organs
d. organelles
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Answer: (b).tissues

27. A set of organelles contain
a. mitochondria, Golgi complex and nucleus
b. mitochondria, neutron and DNA
c. mitochondria, glucose and electron
d. nerve, tissue and stomach
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Answer: (a).mitochondria, Golgi complex and nucleus

28. Vaccination for specific disease helps person to get
a. healthy
b. sick
c. immune
d. vulnerable
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Answer: (c).immune

29. Eugenic aims are achieved by using a technology
a. Cloning
b. fertilizing
c. tissue culturing
d. budding
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Answer: (a).Cloning

30. Comparison between sediment layers, can inform us about
a. age of fossils
b. weight of fossils
c. shape of fossils
d. density of fossils
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Answer: (a).age of fossils

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