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 General Science Questions

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Q:

Lacto-ovo vegetarians would not eat

A) Fish and egg B) Egg, meat and milk products
C) Meat, poultry, milk products D) Meat, poultry, fish
 
Answer & Explanation Answer: D) Meat, poultry, fish

Explanation:

Lacto-ovo vegetarians who eat milk products and eggs but would not eat Meat, poultry, fish.

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Q:

What reacts with oxygen to produce rust?

A) Aluminium B) Silver
C) Copper D) Iron
 
Answer & Explanation Answer: D) Iron

Explanation:

Iron reacts with oxygen in the presence of moisture or water to form a red oxide called rust and the reaction involved is called as Redox reaction.

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Q:

Which describes a clinical psychologist?

A) specialist who studies behavior and emotions, but cant prescribe medication B) specialist in diagnosing and treating mental disorders who can prescribe medication
C) specialist working primarily with the family members of someone in psychiatric care D) None of the above
 
Answer & Explanation Answer: A) specialist who studies behavior and emotions, but cant prescribe medication

Explanation:
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Q:

Vertebrates and tunicates share 

A) a notochord and a dorsal, hollow nerve cord. B) the formation of structures from the neural crest.
C) jaws adapted for feeding. D) an endoskeleton that includes a skull.
 
Answer & Explanation Answer: A) a notochord and a dorsal, hollow nerve cord.

Explanation:
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Q:

Choose the correct order of electrical resistivity of metals.

A) Ag > W > Ni > Hg   B) Hg > Ni > W > Ag
C) Ag > Ni > Hg > W D) Ag > W > Hg > Ni
 
Answer & Explanation Answer: B) Hg > Ni > W > Ag

Explanation:
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Q:

Which of the following is a function of Earth's atmosphere?

A) supplies the oxygen and water for life B) screens out much of the Sun's ultraviolet radiation
C) insulates the surface against temperature extremes D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Here all the options given are important functions of Earth's atmosphere.

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Q:

Which of the following is a healthy blood pressure level?

A) 120/80 mmHg B) 140/90 mmHg
C) 90/60 mmHg D) 120/140 mmHg
 
Answer & Explanation Answer: A) 120/80 mmHg

Explanation:

Healthy blood pressure ranges from 120/80 to 90/60.

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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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