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 Biology Questions

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Q:

Antibodies are produced by

A) B Lymphocytes B) Pathogens
C) Both A & B D) None of the above
 
Answer & Explanation Answer: A) B Lymphocytes

Explanation:
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1 1919
Q:

Visceral pain usually starts in which of the following?

A) Kidneys B) Abdomen
C) Rectum D) Esophagus
 
Answer & Explanation Answer: B) Abdomen

Explanation:

Visceral pain is a poorly localized, dull, or diffuse pain. It usually arises from the abdominal organs.

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3 1917
Q:

Locust, Butterfly, Scorpion and Prawn are all examples of which Phylum?

A) Annelida B) Chordata
C) Arthropoda D) Platyhelminthes
 
Answer & Explanation Answer: C) Arthropoda

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2 1917
Q:

Where are the proteins of the electron transport chain located?

A) mitochondrial matrix B) mitochondrial inner membrane
C) mitochondrial outer membrane D) mitochondrial intermembrane space
 
Answer & Explanation Answer: B) mitochondrial inner membrane

Explanation:

The proteins of the electron transport chain are present in mitochondrial inner membrane in Eukaryotes.

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2 1916
Q:

The cell wall in plants is interrupted by narrow pores carrying fine stands of cytoplasm which interlink the contents of the cells. These strands are called:-

A) Plasmahole B) Microvilli
C) Plasmodesmata D) Plasmalemma
 
Answer & Explanation Answer: C) Plasmodesmata

Explanation:

Plasmodesmata are interrupted by narrow pores carrying fine strands of cytoplasm, which interlink the contents of the cells.

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2 1914
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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4 1913
Q:

Non-Gonococcal Urethritis is most often caused by

A) chlamydia B) gonorrhea
C) progesterone D) herpes genitalis
 
Answer & Explanation Answer: A) chlamydia

Explanation:

Chlamydial infection is very common in both males and females.

 

NGU (Non-Gonococcal Urethritis) is an infection of the urethra caused by pathogens (germs) other than gonorrhea.

 

Several types of germs cause NGU. The most common and serious is chlamydia.

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0 1902
Q:

Which organ does detoxification and produces chemicals needed for digestion?

A) Salivary glands B) Pancreas
C) Thyroid gland D) Liver
 
Answer & Explanation Answer: D) Liver

Explanation:
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3 1900