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 General Science Questions

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Q:

Data collected to date indicate that

A) New species of bacteria may be discovered in wild animals. B) Humans and marine mammals cannot be infected by the same pathogens.
C) Marine mammals do not get infectious diseases D) None of the above
 
Answer & Explanation Answer: D) None of the above

Explanation:
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Q:

Which of these is a starting point for primary succession?

A) a surface exposed by a retreating glacier B) a neglected yard
C) abandoned farmland D) an abandoned city
 
Answer & Explanation Answer: A) a surface exposed by a retreating glacier

Explanation:

Primary succession is the orderly and predictable series of events through which a stable ecosystem forms in a previously uninhabited region. Primary succession occurs in regions characterized by the absence of soil and living organisms.

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Q:

Plants that are more rare today are

A) Hydrophytes B) Xerophytes
C) Mesophytes D) None of the above
 
Answer & Explanation Answer: A) Hydrophytes

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Q:

A kind of foliated metamorphic rock

A) slate B) gneiss
C) phyllite D) All of the above
 
Answer & Explanation Answer: D) All of the above

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Q:

The transfer of minerals from top soil to subsoil through soil­water is called?

A) Percolation B) Conduction
C) Leaching D) Transpiration
 
Answer & Explanation Answer: C) Leaching

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Q:

Photorespiration lowers the efficiency of photosynthesis by

A) consuming carbon dioxide B) removing ribulose bisphosphate molecules
C) releasing RuBP carboxylase molecules D) None of the above
 
Answer & Explanation Answer: B) removing ribulose bisphosphate molecules

Explanation:

photorespiration lowers the efficiency of photosynthesis by removing ribulose bisphosphate molecules.

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Q:

Which receptors adapt most slowly?

A) touch receptors B) smell receptor
C) pressure receptors D) nociceptors
 
Answer & Explanation Answer: D) nociceptors

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Q:

Storage containers for recyclables must be designed to

A) Wrap them in napkin B) Prevent the entry of rodents
C) Keep the food handlers bare hands off the food D) None of the above
 
Answer & Explanation Answer: B) Prevent the entry of rodents

Explanation:

Storage_containers_for_recyclables_must_be_designed_to1547703251.jpg image

Storage containers for recyclables must be designed to prevent the entry of rodents.

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