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Q:

Which leukocyte is responsible for antibody production?

A) Monocyte B) T-Cells
C) B Lymphocyte D) Basophil
 
Answer & Explanation Answer: C) B Lymphocyte

Explanation:

Leukocyte, commonly known as a white blood cell (WBC), is a major component in protecting the body against invading microorganisms and body cells with mutated DNA, and they clean up debris. 

B Lymphocyte also called as B-Cells or plasma cells produces the antibodies or immunoglobulins that bind to specific foreign or abnormal components of plasma membranes. This is also referred to as humoral (body fluid) immunity.

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Q:

___ are the carriers of heredity material.

A) Genetics B) Genes
C) Gametes D) Germ cells
 
Answer & Explanation Answer: B) Genes

Explanation:
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Q:

Osteoporosis is the disease related to

A) Spinal cord B) Heart
C) Kidneys D) Lungs
 
Answer & Explanation Answer: A) Spinal cord

Explanation:
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Q:

Rickets is caused due to the deficiency of

A) Vitamin D B) Vitamin A
C) Vitamin B D) Vitamin C
 
Answer & Explanation Answer: A) Vitamin D

Explanation:
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Q:

Identify an example of a connective tissue in humans.

A) Fibres B) Bone
C) Muscles D) Cell
 
Answer & Explanation Answer: B) Bone

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Q:

A fungal cell wall is made of :

A) lignin B) hemi-cellulose
C) chitin D) cellulose
 
Answer & Explanation Answer: C) chitin

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Q:

____ is not an endocrine gland in humans.

A) The pituitary gland B) The pineal gland
C) The adrenal gland D) The liver
 
Answer & Explanation Answer: D) The liver

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Q:

___________ is a hormone that regulates the amount of glucose in the blood.

A) Glucogen B) Thyroxine
C) Oxytocin D) Insulin
 
Answer & Explanation Answer: D) Insulin

Explanation:
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