Biology Questions

Q:

Which of the following cells produce antibodies?

A) Plasma cells B) Monocytes
C) Mast cells D) Neutrophils
 
Answer & Explanation Answer: A) Plasma cells

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

4 1320
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.

Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk , Bank PO

2 1317
Q:

Autoimmune diseases associated with vitiligo

A) Thyroiditis B) Diabetes mellitus
C) Psoriasis D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Vitiligo is a condition in which the skin loses its pigment cells (melanocytes). This can result in discolored patches in different areas of the body, including the skin, hair, retina and mucous membranes.

vitiligo1531457140.jpg image

Many disorders have been linked to vitiligo. They are::

Hashimoto thyroiditis,

Graves disease,

Addison disease and

diabetes mellitus,

alopecia areata,

pernicious anemia,

inflammatory bowel disease,

psoriasis, and

autoimmune polyglandular syndrome.

Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank PO

4 1315
Q:

Innate immune system defenses include

A) phagocytosis B) B cells
C) plasma cells D) T cells
 
Answer & Explanation Answer: A) phagocytosis

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

1 1313
Q:

Antipsychotic drugs have proved helpful in the treatment of

A) Epilepsy B) Schizophrenia
C) Psoriasis D) Eczema
 
Answer & Explanation Answer: B) Schizophrenia

Explanation:

Antipsychotic drugs have proved helpful in the treatment of schizophrenia and other psychotic disorders, inhibits dopamine, reduces delusions, hallucinations, thought disorganization.

Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk

3 1313
Q:

In autotrophic bacteria, where is chlorophyll located?

A) in the nucleoid B) in the infolded plasma membrane
C) in the ribosomes D) in chloroplast membranes
 
Answer & Explanation Answer: B) in the infolded plasma membrane

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk

1 1312
Q:

In most green plants, chloroplasts are

 

A) concentrated in a zone of leaf tissue called the mesophyll B) concentrated in a portion of the leaf called the stroma
C) found throughout the leaf tissue D) concentrated in the stomata
 
Answer & Explanation Answer: A) concentrated in a zone of leaf tissue called the mesophyll

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: Bank Exams

1 1312
Q:

Which of the following is not true of color blindness?

A) Color blind people learn to rely on shapes, patterns, and positions of signs and signals. B) Red-green color blindness is the most common type of color blindness.
C) A color blind person cannot see any colors. D) For some people, it might be difficult to recognize colors of traffic lights and signs.
 
Answer & Explanation Answer: C) A color blind person cannot see any colors.

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk , Bank PO

2 1310