Biology Questions

Q:

Lysogeny can result in all of the following except

A) Acquisition of new characteristics by the host cell B) Transduction of specific genes
C) Immunity to reinfection by the same phage. D) Immunity to reinfection by any phage
 
Answer & Explanation Answer: D) Immunity to reinfection by any phage

Explanation:

Lysogeny can result in all of the following except Immunity to reinfection by any phage. Lysogeny means phage DNA is incorporated in Host cell DNA. 

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Q:

Which organelle performs cellular respiration?

A) mitochondria B) cytolasm
C) chloroplasts D) All of the above
 
Answer & Explanation Answer: A) mitochondria

Explanation:
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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:

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:

What is the average Life span of RBC?

A) 120 days B) 99 days
C) 101 days D) 111 days
 
Answer & Explanation Answer: A) 120 days

Explanation:

The average Life span of RBC is 120 days.

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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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Q:

REM behavior disorder results from

A) sleep B) walking
C) watching D) All of the above
 
Answer & Explanation Answer: A) sleep

Explanation:

REM (Rapid Eye Movement) Sleep Disorder results from the sleep. Too much alcohol consumption too near to the bed time cause this.

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Q:

Which is not a function of the cell membrane?

A) helps substances pass from the cytoplasm into the nucleus B) keeps materials within the cell separated from the environment outside the cell
C) helps control the movement of materials into and out of the cell D) allows the cell to change shape under pressure
 
Answer & Explanation Answer: A) helps substances pass from the cytoplasm into the nucleus

Explanation:
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