Chemical Coordination and Integration - Online Test

Q1. Which of the following is not a mixed/composite gland?
Answer : Option A
Explaination / Solution:

A gland that contain both exocrine and endocrine portion is called mixed or composite gland. These glands secretes both hormone and enzymes. Pineal gland is an example of endocrine gland.

Q2. By chemical nature, hormones are never :
Answer : Option A
Explaination / Solution:

Hormones are generally protein components having amino acids as well as steroids. Hormones are generally not monosaccharide derivatives in nature.

Q3. Glucocorticoids regulate metabolism of :
Answer : Option D
Explaination / Solution:

The name glucocorticoid (glucose + cortex + steroid) is composed from its role in regulation of glucose metabolism, synthesis in the adrenal cortex, and its steroidal structure. The principal glucocorticoid hormone is cortisol, which regulates the metabolism of proteins, carbohydrates, and lipids.

Q4. The hormone secreted by pars intermedia of hypophysis is :



Answer : Option D
Explaination / Solution:

The hormone secreted by pars intemedia of hypophysis is melanocyte-stimulating hormones (MSH). MSH is a peptide hormone also knownas melanotropins.

Q5. Adrenal medulla consists of a cluster of _____ nerves and those cells are also known as _____ cells :
Answer : Option C
Explaination / Solution:

Adrenal medulla consists of a cluster of sympathetic nerves and those cells are also known as chromaffin cells. Adrenal medulla is part of the adrenal gland located at the center of the adrenal gland.

Q6. Process of parturition is facilitated by :
Answer : Option C
Explaination / Solution:

The process of parturition begins after completion of gestation period. The muscles present in uterus start contracting due to release of hormone relaxin and Oxytocin.

Q7. The largest endocrine gland is


Answer : Option B
Explaination / Solution:

Thyroid is the largest endocrine gland present in human body. This gland release thyroxin hormone that help in metabolism of carbohydrates, fats and proteins.

Q8.

Match the following :
 

Hormone Nature
a) Parathormone i) Polypeptide
b) Oxytocin ii) Amino acid Derivative
c) Sex hormone iii) Peptide
d) Norepinephrine iv) Steroid

 




Answer : Option C
Explaination / Solution:

Parathormoneis a polypeptide hormone. Oxytocin is peptide hormone. Sex hormone is a steroid hormone and Norepinephrine is a amino acid derivative.

Q9. Old people usually exhibit weaker immune power due to degeneration of
Answer : Option B
Explaination / Solution:

Thymus gland produces a hormone called thymosin which stimulates the T-cells. T-cells help in producing antibodies in the bodies. In older people weaker immune power is due to degeneration of thymus gland.

Q10.

Thyroid gland do not secrete


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Answer : Option C
Explaination / Solution:

Melatonin hormone is secreted by Pineal Gland.