E-PolyLearning

31. Hypothesis always requires a tentative explanation of
a. reasoning
b. perception
c. observation
d. result
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Answer: (c).observation

32. Individuals of different species (animals and plants) that live together in same habitat constitutes a
a. population
b. Community
c. groups
d. individuals
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Answer: (b).Community

33. Pasteurization helps in preserving
a. fruits
b. vegetables
c. meat
d. milk
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Answer: (d).milk

34. Lethal disease which spreads via free sexually contact, blood infusions from an infected person, and contaminated syringes is
a. Hepatitis
b. Hay fever
c. Epilepsy
d. AIDS
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Answer: (d).AIDS

35. Any cell or individual of any offspring produced by asexually is termed as a
a. gene
b. offspring
c. tissue
d. clone
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Answer: (d).clone