CBSE Questions for Class 11 Medical Biology Chemical Coordination And Integration Quiz 4 - MCQExams.com

Pancreatic juice is released into
  • Duodenum
  • Ileum
  • Stomach
  • Jejunum
Pancreatic lipase acts upon 
  • Glycogen
  • Triglycerides
  • Disaccharides
  • Polypeptides
Pancreatic juice contain bicarbonate which is secreted by
  • Paneth cells
  • Goblet cell
  • Kupffer's cell
  • Acinar cell
Cells of the pancreas is not digested by their own enzymes because
  • Enzymes are secreted in inactive form
  • Cells are lined by mucous membrane
  • Enzymes are released only when needed
  • None of the above
The enzyme trypsinogen is secreted from
  • Duodenum
  • Pancreas
  • Liver
  • Stomach
"Sella tursica" is a
  • Depression in brain enclosing pituitary
  • Cavity of skull enclosing ears
  • Covering of testis
  • Kind of endocrine gland
Which is called master gland of the body?
  • Thyroid
  • Pituitary
  • Thymus
  • Adrenal
Which of the following hormones is secreted by the kidney?
  • Renin
  • Renomedullary prostaglandin
  • Erythropoietin
  • All of the above
"Secondary messenger" is
  • Cyclic AMP
  • ATP
  • ADP
  • DNA
Mammals born without a Thymus gland fail to manufacture ____.
  • B - Lymphocytes
  • T - Lymphocytes
  • Plasma cells
  • Basophils
Both organs of which set secretes hormones?
  • Spleen- Brain
  • Intestine- Eye
  • Spleen- Liver
  • Testes- Placenta
If thymectomy is done during adulthood then what is the probable result of it?
  • Immunosuppressant
  • Die immediately
  • No adverse reaction
  • Myasthenia gravis
The receptor for protein hormones are present on
  • Nucleus
  • Endoplasmic reticulum
  • Cytoplasm
  • Cell-surface
Philips Collip discovered which of the following hormones?
  • Parathyroid hormone
  • Thyroxine
  • ADH
  • Oxytocin
Which gland prepares you for flight, fright and fight during adverse conditions?
  • Thyroid
  • Parathyroid
  • Pituitary
  • Adrenal
Which part of thyroid cartilage in larynx is closed?
  • Dorsal
  • Ventral
  • Anterior
  • Posterior
The thyroid gland is the largest endocrine gland of the body.
  • True
  • False
The thyroid gland regulates the BMR of the body.
  • True
  • False
The hormone secreted by kidney is
  • Gastrin
  • Secretin
  • Erythropoietin
  • Aldosterone
Enzyme 'Renin' is secreted by
  • Cells of the stomach
  • Cells of the intestine
  • The cortical cells of the kidney
  • The cells of juxtaglomerular apparatus of the kidney
The master gland in the human body is:
  • Pituitary
  • Parathyroid
  • Thyroid
  • Pancreas
Which gland undergoes atrophy in adult? 
  • Pancreas
  • Thymus
  • Thyroid
  • Adrenal
Endocrine part of the pancreas is called as 'islets of Langerhans'.
  • True
  • False
Renin is released from
  • Juxta glomerular apparatus
  • Cortical nephron
  • Collecting duct
  • Pelvis
T-cells mature in the
  • Peyer's patch
  • Lymph node
  • Thymus
  • Bursa of fabricius
Mrs Renu came to know about Mrs Sunidhi's pregnancy, but she became anxious as Mrs Sunidhi smokes badly. She knew that smoking may affect the health of the mother and developing foetus. Among the following, what are the consequences of smoking?
(i) Increased heartbeat and blood pressure in the mother due to release of adrenaline.
(ii) Increased blood supply to the placenta.
(iii) Blood clot formation in the arteries of the mother leading to the diffusion of CO$$_2$$ and urea into the foetus' blood.
(iv) Reduced ability of haemoglobin to carry oxygen in the RBC, which may affect the development of the foetus' brain.
  • (ii) and (iii)
  • (i), (ii) and (iv)
  • (i) and (iv)
  • (ii) and (iv)
The two hormones secreted by adrenal glands which regulates the rate of metabolism and the concentration of salts in blood and prepares the body to face the emergency are...........................and....................... .

  • Insulin and glucagon
  • Testosterone and estrogen
  • Cortisone and dopamine
  • Aldosterone and adrenaline
Sebaceous glands are
  • Apocrine
  • Merocrine
  • Holocrine
  • None of these
The hormone which controls the processes of burning of fats, proteins and carbohydrates and liberates energy in the body is:
  • Thyroxine
  • Adrenaline
  • Insulin
  • Cortisone
Gita is supposed to face an interview During he first five minutes before the interview she experiences sweating increased rate of heart beat increased respiratory rate etc. Which of the following hormones has increased in her blood and is responsible for her restlessness?
  • GnRH
  • Estrogen
  • Adrendaline
  • Insulin
.......... is also called the emergency hormone.
  • Rennin
  • Thyroxin
  • Insulin
  • Adrenaline
The malfunctioning of which endocrine gland causes diabetes? 
  • Thyroid gland
  • Pancreas
  • Pituitary gland
  • Hypothalamus
Hormone that stimulates heart beat is
  • Thyroxine
  • Adrenaline
  • Glucagon
  • Gastrin
Pituitary gland is found in
  • Around trachea
  • Gonad
  • Pancreas
  • Brain
The stomach pain impulses are received by receptors known as
  • Proprioreceptors
  • Exteroreceptors
  • Visceral receptors
  • Chemoreceptors
Which of the hormones is responsible for the emotional state such as fear and anger and causes rise of blood pressure and rate of heartbeat?
  • Insulin
  • Adrenaline
  • Progesterone
  • Thyroxine
The secretion of adrenal gland is known as
  • Thyroxin
  • Adrenalin
  • Calcitonin
  • None of these
If the pancreatic duct of a healthy dog is blocked an hour after it had its food, which one of the following functions of pancreas will not be affected ?
  • Carbohydrate digestion
  • Neutralization of chyme
  • Breakdown of protein
  • Maintenance of normal blood sugar level
Which of the following is the growth gland in human body? 
  • Adrenal
  • Thyroid
  • Pituitary
  • Cowper's gland
The pituitary gland by virtue of itstropic hormones controls the secretory activity of other endocrine glands. Which one of the following endocrine glands can function independent of a pituitary gland? 
  • Thyroid
  • Gonads
  • Adrenal glands
  • Parathyroid
Insulin is produced by
  • Pancreas
  • Liver
  • Spleen
  • Adrenal gland
A man suddenly sees a tiger. His heartbeat goes up, blood pressure increases, etc. Which hormone is released at this time in his body?
  • Parathonnone
  • Adrenaline
  • Corticoid
  • Thyroxine
Androgens are secreted from
  • Ovary and placenta
  • Testis and adrenal
  • Ovary and testes
  • Thymus and parathyroid
Pituitary gland is located just below the
  • Brain
  • Heart
  • Liver
  • Kidney
The endocrine gland associated with brain is
  • Adrenal
  • Parathyroid
  • Thymus
  • Pituitary
Which of the hormones is responsible for the emotional state such as fear and anger and causes rise of blood pressure and rate of heartbeat? 
  • Insulin
  • Adrenaline
  • Progesterone
  • Thyroxine
A deficiency in the secretion of hormone from the thyroid gland leads to _______.
  • Sluggishness and low cholesterol rate
  • High blood pressure
  • Delayed development of secondary sex characteristics
  • Defective carbohydrate metabolism
Which of the following is a master gland of the body?
  • Thyroid gland
  • Pituitary gland
  • Sebaceous gland
  • Pancreas
Pituitary gland is found in 
  • Around trachea
  • Gonad
  • Pancreas
  • Brain
Androgens are secreted from 
  • Ovary and placenta
  • Testis and adrenal
  • Ovary and testes
  • Thymus and parathyroid
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