Biology Questions

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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Q:

Another name for a bundle of nerve fibers is

A) Axon B) Tract
C) Fascicles D) None of the above
 
Answer & Explanation Answer: C) Fascicles

Explanation:

Another name for a bundle of nerve fibers is called Fascicles.

Another_name_for_a_bundle_of_nerve_fibers_is1560169494.jpg image

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Q:

Which helps prevent errors in DNA replication?

A) Complementary base pairing reduce errors B) DNA ligase checks the DNA for errors
C) DNA is located in the ribosomes D) Any base can pair with any other base
 
Answer & Explanation Answer: A) Complementary base pairing reduce errors

Explanation:

DNA replication is the biological process of producing two identical replicas of DNA from one original DNA molecule. DNA replication occurs in all living organisms acting as the basis for biological inheritance. Complementary base pairing helps prevent errors in DNA replication.

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Q:

A dissecting aortic aneurysm occurs when

A) The inner layers of the aorta become separated B) The aorta ruptures, resulting in profound bleeding
C) All layers of the aorta suddenly contract D) None of the above
 
Answer & Explanation Answer: A) The inner layers of the aorta become separated

Explanation:

A dissecting aortic aneurysm occurs when the inner layers of the aorta become separated.

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Q:

Gametes are produced by the process of

A) Mitosis B) Meiosis
C) Both A & B D) None of the above
 
Answer & Explanation Answer: B) Meiosis

Explanation:

A gametes are haploid cells as they have only one set of chromosomes. Meiosis is a process of cellular reproduction in which both male and female gametes are formed. During meiosis, the DNA is only replicated or copied one time.

Gametes_are_produced_by_the_process_of1560944987.png image

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Q:

What is the outcome when a cell undergoes meiosis?

A) Two haploid cells B) Four haploid cells
C) Two diploid cells D) Four diploid cells
 
Answer & Explanation Answer: B) Four haploid cells

Explanation:

When a cell undergoes meiosis process, it produces 4 haploid cells as a result.

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Q:

When insulin is released, it causes

A) Amount of glucose in blood decreases B) Amount of glucose in blood increases
C) Amount of bile juice increases D) Amount of bile juice decreases
 
Answer & Explanation Answer: A) Amount of glucose in blood decreases

Explanation:

We know that, when we eat a meal, any carbohydrates we've eaten are broken down into glucose and passed into the bloodstream. This rise in blood glucose causes insulin to be released from the pancreas so glucose can move inside the cells and be used. As glucose moves inside the cells, the amount of glucose in the bloodstream returns to normal and insulin release slows down.

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Q:

Localized area of pus formation in the lungs?

A) Pleural effusion B) Pulmonary abscess
C) Pleurisy D) Pulmonary edema
 
Answer & Explanation Answer: B) Pulmonary abscess

Explanation:

Localized area of pus formation in the lungs is called Pulmonary abscess.

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