2
Q:

Which are the special proteins in muscles that contract and relax to cause movement?

 

A) Contractile protein B) Receptor protein
C) Structural protein D) Enzymatic protein

Answer:   A) Contractile protein



Explanation:
Subject: Biology
Exam Prep: Bank Exams
Q:

Which of the following statements about aldosterone is NOT correct?

A) Aldosterone increases sodium reabsorption by increasing the number of Na+-K+ ATPase pumps in the luminal membrane of the proximal tubule. B) Aldosterone is produced in the adrenal cortex.
C) Aldosterone is stimulated by decreased plasma sodium levels and increased plasma potassium levels. D) All of the above
 
Answer & Explanation Answer: A) Aldosterone increases sodium reabsorption by increasing the number of Na+-K+ ATPase pumps in the luminal membrane of the proximal tubule.

Explanation:

Aldosterone is a steroid hormone that is produced in the adrenal gland. It is useful and more essential for the conservation of sodium content in the kidney, salivary glands, colon and sweat glands.

 

Here, Aldosterone increases sodium reabsorption by increasing the number of Na+-K+ ATPase pumps in the luminal membrane of the proximal tubule is the only option that is NOT correct about aldosterone.

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Q:

Which systems comprise the nervous system?

A) Central nervous system B) Peripheral nervous system
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:

The nervous system of the human brain consists of the central nervous system which has brain and the spinal cord and the peripheral nervous system which has perpheral, cranary, spinal nerves.

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5 2040
Q:

The renal corpuscle is made up of

A) Bowman's capsule B) Glomerulus
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:
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Q:

The substrate of photorespiration is

A) Glucose B) Pyruvic acid
C) Glycolate D) Sucrose
 
Answer & Explanation Answer: C) Glycolate

Explanation:
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5 4108
Q:

The peripheral nervous system consists of

A) Nerves from eyes to CNS B) Nerves from ears to CNS
C) Nerves from skin to CNS D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:
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5 1774
Q:

Which statements about viruses are true?

A) HIV contains reverse transcriptase. B) A retrovirus contains RNA.
C) Both A & B D) All RNA-containing viruses are retroviruses.
 
Answer & Explanation Answer: C) Both A & B

Explanation:

The statements true about viruses are :

 

1. The capsid enters the host cell if the virus is enveloped.

2. Enveloped viruses bud from the host cell. 

3. HIV contains reverse transcriptase.

4. A retrovirus contains RNA.

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Q:

Which of the following is a risk factor for osteoporosis?

A) Smoking cigarettes B) Drinking alcohol
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:

Osteoporosis makes you more likely to loss bone mass and density resulting in fractures. Smoking cigarettes and drinking alcohol can lead to loss bone mass and density. Oseoporosis is more common in women than men.

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1 1306
Q:

What are the four bases that make up DNA?

Answer

A DNA is made up of four bases called Adenine, Thymine, Cytosine and Guanine.

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