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 Biology Questions

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Q:

Slow oxidative muscle fibers are best suited for

A) Hitting football B) Heavy workout in the gym
C) Running a marathon D) None of the above
 
Answer & Explanation Answer: C) Running a marathon

Explanation:

The three types of muscle fibers are slow oxidative (SO), fast oxidative (FO) and fast glycolytic (FG). Slow oxidative fibers use aerobic metabolism to produce low power contractions over long periods and are slow to fatigue.

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Q:

The right portion of human heart receives ______ blood.

A) pure B) impure
C) mixed D) none
 
Answer & Explanation Answer: B) impure

Explanation:
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Q:

Smallest cell in human body is

A) Ovum B) Nerve cell
C) Sperm D) None of the above
 
Answer & Explanation Answer: C) Sperm

Explanation:
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Q:

Webbed neck is a characteristic of

A) Down's syndrome B) Turner's syndrome
C) Klinefelter's syndrome D) Cri-du-chat syndrome
 
Answer & Explanation Answer: B) Turner's syndrome

Explanation:
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Q:

Which body part will be effected with the disease leprosy?

A) blood B) legs
C) skin D) brain
 
Answer & Explanation Answer: C) skin

Explanation:

Leprosy is the disease which effects skin.

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Q:

Drugs that combat depression work by

Answer

Antidepressants work by stopping the breakdown of norepinephrine, dopamine, and serotonin. They're more difficult for people to take than most other antidepressants because they interact with prescription drugs, nonprescription drugs, and some foods.


 

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Q:

Mitochondrial DNA analysis is best suited for

A) analysis in which only a minute quantity of DNA material is available B) Forensic science analysis
C) analysis requiring greater discriminatory power than STR D) All of the above
 
Answer & Explanation Answer: B) Forensic science analysis

Explanation:

Mitochondrial DNA analysis is best suited for Forensic science analysis.

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Q:

Which among the following do NOT have a perfect pair of sex chromosomes?

A) Only men B) Only women
C) Both men and women D) Neither men nor women
 
Answer & Explanation Answer: A) Only men

Explanation:
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