Melatonin (pron: mel-eh-toe-nin) is produced by the: a) skin b) pineal gland c) liver d) pituitary gland

Melatonin (pron: mel-eh-toe-nin) is produced by the: a) skin b) pineal gland c) liver d) pituitary gland
by

1 Answer

Answer :

ANSWER: B -- PINEAL GLAND
by

Related questions

Melatonin is secreted by (a) pineal body (b) skin (c) pituitary gland (d) thyroid.

Description : Melatonin is secreted by (a) pineal body (b) skin (c) pituitary gland (d) thyroid.

Last Answer : (c) pituitary gland

Melatonin is synthesised in (A) Hypothalamus (B) Posterior pituitary gland (C) Pineal gland (D) Melanocytes

Description : Melatonin is synthesised in (A) Hypothalamus (B) Posterior pituitary gland (C) Pineal gland (D) Melanocytes

Last Answer : Answer : C

Identify the hormone with its correct matching of source and function. (a) Oxytocin - posterior pituitary, growth and maintenance of mammary glands. (b) Melatonin - pineal gland, regulates the normal rhythm of sleepwake cycle. (c) Progesterone - corpus luteum, stimulation of growth and activities of female secondary sex organs. (d) Atrial natriuretic factor - ventricular wall, increases the blood pressure.

Description : Identify the hormone with its correct matching of source and function. (a) Oxytocin - posterior pituitary, growth and maintenance of mammary glands. (b) Melatonin - pineal gland, regulates the ... sex organs. (d) Atrial natriuretic factor - ventricular wall, increases the blood pressure.

Last Answer : (b) Melatonin - pineal gland, regulates the normal rhythm of sleepwake cycle

Which gland will produce melatonin? A) pancreas B) pineal gland C) adrenal gland D) thyroid gland E) pituitary

Description : Which gland will produce melatonin? A) pancreas B) pineal gland C) adrenal gland D) thyroid gland E) pituitary

Last Answer : B) pineal gland

Melatonin: a. is secreted by pineal gland b. regulates the circadian rhythm c. is useful to regulate the sleep pattern of patients with complete blindness. d. all

Description : Melatonin: a. is secreted by pineal gland b. regulates the circadian rhythm c. is useful to regulate the sleep pattern of patients with complete blindness. d. all

Last Answer : all

Which is NOT a correct association of tissues and hormones or functions? A) adipose tissue--leptin to regulate a feeling of fullness B) thymus--use of iodine to make thyroxine for regulation of body growth C) pineal gland--production of melatonin and involvement in seasonal affective disorder D) pancreas--insulin for regulation of blood glucose levels E) pancreas--glucagon for regulation of blood glucose levels

Description : Which is NOT a correct association of tissues and hormones or functions? A) adipose tissue--leptin to regulate a feeling of fullness B) thymus--use of iodine to make thyroxine for ... insulin for regulation of blood glucose levels E) pancreas--glucagon for regulation of blood glucose levels

Last Answer : B) thymus--use of iodine to make thyroxine for regulation of body growth

Of the following, which mechanisms are important i the death of erythrocytes (pron: eh-rith-reh-sites) in human blood? Is it a) phagocytosis (pron: fag-eh-seh-toe-sis) b) hemolysis c) mechanical damage d) all of the above

Description : Of the following, which mechanisms are important i the death of erythrocytes (pron: eh-rith-reh-sites) in human blood? Is it a) phagocytosis (pron: fag-eh-seh-toe-sis) b) hemolysis c) mechanical damage d) all of the above

Last Answer : ANSWER: D -- all of the above

The vesicles formed via the process known as phagocytosis (pron: fag-eh-seh-toe-sis) are called: a) lysosomes (pron: lye-sah-somes: somes rhymes with homes) b) Golgi apparatus c) food vacuoles d) mitochondria (pron: my-toe-chon-dria)

Description : The vesicles formed via the process known as phagocytosis (pron: fag-eh-seh-toe-sis) are called: a) lysosomes (pron: lye-sah-somes: somes rhymes with homes) b) Golgi apparatus c) food vacuoles d) mitochondria (pron: my-toe-chon-dria)

Last Answer : ANSWER: C -- FOOD VACUOLES

Melanocyte stimulating hormone is secreted by (A) Pineal gland (B) Anterior lobe of pituitary gland (C) Posterior lobe of pituitary gland (D) Intermediate lobe of pituitary gland

Description : Melanocyte stimulating hormone is secreted by (A) Pineal gland (B) Anterior lobe of pituitary gland (C) Posterior lobe of pituitary gland (D) Intermediate lobe of pituitary gland

Last Answer : Answer : D

Which is the gland that holds the body's thermostat? (1) Pineal (2) Pituitary (3) Thyroid (4) Hypothalamus

Description : Which is the gland that holds the body's thermostat? (1) Pineal (2) Pituitary (3) Thyroid (4) Hypothalamus

Last Answer : (4) Hypothalamus Explanation: The body keeps its core temperature constant at about 37 C by physiological adjustments controlled by the hypothalamus (Thermostat Center) where there ... Thermoreceptors) and from internal structures (Central Thermoreceptors), which include the hypothalamus itself.

Which is the gland that holds the body’s thermostat? (1) Pineal (2) Pituitary (3) Thyroid (4) Hypothalamus

Description : Which is the gland that holds the body’s thermostat? (1) Pineal (2) Pituitary (3) Thyroid (4) Hypothalamus

Last Answer : Hypothalamus

All the following statements about proopiomelanocortin are true except (A) It is made up of 285 amino acids (B) It is synthesised in pars intermedia and anterior lobe of pituitary gland (C) It is the precursor of ACTH and melatonin (D) It is the precursor of corticotropin like intermediate lobe peptide and endorphins 218 MCQs IN BIOCHEMISTRY

Description : All the following statements about proopiomelanocortin are true except (A) It is made up of 285 amino acids (B) It is synthesised in pars intermedia and anterior lobe of pituitary gland ... ) It is the precursor of corticotropin like intermediate lobe peptide and endorphins 218 MCQs IN BIOCHEMISTRY

Last Answer : Answer : C

Where is the Pineal Gland situated? (1) in the Liver (2) in the Brain (3) in the Kidneys (4) in the Uterus

Description : Where is the Pineal Gland situated? (1) in the Liver (2) in the Brain (3) in the Kidneys (4) in the Uterus

Last Answer : (2) in the Brain Explanation: The pineal gland is a small endocrine gland in the vertebrate brain. It produces the serotonin derivative melatonin, a hormone that affects the modulation of wake/sleep patterns and, ... a tiny pine cone (hence its name), and it is located near the centre of the brain.

Where is the Pineal Gland situated? (1) in the Liver (2) in the Brain (3) in the Kidneys (4) in the Uterus

Description : Where is the Pineal Gland situated? (1) in the Liver (2) in the Brain (3) in the Kidneys (4) in the Uterus 

Last Answer : in the Brain

Melatonin: a. is secreted by pineal body b. secretion is highest at night c. secretion is inhibited by light d. all above

Description : Melatonin: a. is secreted by pineal body b. secretion is highest at night c. secretion is inhibited by light d. all above

Last Answer : all above

Which of the following statements is correct in relation to the endocrine system? (a) Non-nutrient chemicals produced by the body in trace amounts that act as intercellular messenger are known as hormones. (b) Releasing and inhibitory hormones are produced by the pituitary gland. (c) Adenohypophysis is under direct neural regulation of the hypothalamus. (d) Organs in the body like gastrointestinal tract, heart, kidney and liver do not produce any hormones.

Description : Which of the following statements is correct in relation to the endocrine system? (a) Non-nutrient chemicals produced by the body in trace amounts that act as intercellular messenger are known as ... in the body like gastrointestinal tract, heart, kidney and liver do not produce any hormones.

Last Answer : (a) Non-nutrient chemicals produced by the body in trace amounts that act as intercellular messenger are known as hormones.

In studies of the human body, which of the following terms can also be used when referring to the pituitary gland? I it: a) thymus b) hypophysis (pron: hypo-fi-sis) c) pancreas d) none of the above

Description : In studies of the human body, which of the following terms can also be used when referring to the pituitary gland? I it: a) thymus b) hypophysis (pron: hypo-fi-sis) c) pancreas d) none of the above

Last Answer : ANSWER: B -- HYPOPHYSIS

Select the hormone INCORRECTLY paired with its target. a) TSH - thyroid gland b) ACTH - anterior pituitary c) LH - ovary or testis d) MSH - melanocytes (pron: meh-lan-o-cite)

Description : Select the hormone INCORRECTLY paired with its target. a) TSH - thyroid gland b) ACTH - anterior pituitary c) LH - ovary or testis d) MSH - melanocytes (pron: meh-lan-o-cite)

Last Answer : ANSWER: D -- MSH - MELANOCYTES

Tissues located in different parts of body like pituitary, pineal, thyroid etc. are coutns as

Description : Tissues located in different parts of body like pituitary, pineal, thyroid etc. are coutns as

Last Answer : Tissues located in different parts of body like pituitary, pineal, thyroid etc. are coutns as

Which is the largest gland in human body? (1) Liver (2) Thyroid (3) Pituitary gland (4) Saliatary

Description : Which is the largest gland in human body? (1) Liver (2) Thyroid (3) Pituitary gland (4) Saliatary

Last Answer : (1) Liver Explanation: Liver is the largest gland in human body. It is also the largest (internal) organ in our body and can weigh up to 1.5-1.6 kg for a human ... in regulation of glycogen storage, decomposition of red blood cells, plasma protein synthesis, hormone production, and detoxification.

For digestion of fat, bile is needed. This is secreted by the – (1) stomach (2) pituitary gland (3) pancreas (4) liver

Description : For digestion of fat, bile is needed. This is secreted by the – (1) stomach (2) pituitary gland (3) pancreas (4) liver

Last Answer : (4) liver

The largest gland in the Human body is (1) Liver (2) Pancreas (3) Kidney (4) Pituitary

Description : The largest gland in the Human body is (1) Liver (2) Pancreas (3) Kidney (4) Pituitary

Last Answer : (1) Liver Explanation: The liver is the largest gland and the largest internal organ in the human body.

Largest gland in human body is _____. (1) Liver (2) Pancreas (3) Pituitary (4) Thyroid

Description : Largest gland in human body is _____. (1) Liver (2) Pancreas (3) Pituitary (4) Thyroid

Last Answer : (1) Liver Explanation: The largest gland in the human also happens to be the biggest internal organ: the liver.

Pituitary gland is located in — (1) brain (2) kidney (3) liver (4) intestine

Description : Pituitary gland is located in — (1) brain (2) kidney (3) liver (4) intestine

Last Answer : (1) brain Explanation: In vertebrate anatomy the pituitary gland is an endocrine gland about the size of a pea and weighing 0.5 grams (0.018 oz) in humans. It is a protrusion off ... a small, bony cavity covered by a Dural fold. The pituitary gland secretes nine hormones that regulate homeostasis.

Which is the largest gland in human body? (1) Liver (2) Thyroid (3) Pituitary (4) S a l i v a r y gland

Description : Which is the largest gland in human body? (1) Liver (2) Thyroid (3) Pituitary (4) S a l i v a r y gland

Last Answer : Liver

Pituitary gland is located in— (1) brain (2) kidney (3) liver (4) intestine

Description : Pituitary gland is located in— (1) brain (2) kidney (3) liver (4) intestine

Last Answer : brain

Pedocal (pron: ped-eh-kal) soils are usually found to have developed in: w) forests x) swamps y) grasslands z) jungles

Description : Pedocal (pron: ped-eh-kal) soils are usually found to have developed in: w) forests x) swamps y) grasslands z) jungles

Last Answer : ANSWER: Y -- GRASSLANDS

On the Phanerozoic (pron: fan-eh-reh-zO-ik) time scale, which of the following geologic periods occurred approximately 500 to 570 million years ago? Is it: w) Cambrian x) Ordovician (pron: ord-eh-vish-en) y) Carboniferous z) Silurian

Description : On the Phanerozoic (pron: fan-eh-reh-zO-ik) time scale, which of the following geologic periods occurred approximately 500 to 570 million years ago? Is it: w) Cambrian x) Ordovician (pron: ord-eh-vish-en) y) Carboniferous z) Silurian

Last Answer : ANSWER: W -- CAMBRIAN

On the Phanerozoic (pron: fan-eh-row-zo-ick) Time Scale, which of the following geologic periods occurred approximately 395 to 430 million years ago? Is it: w) Jurassic (pron: ju-ras-ick) x) Permian y) Carboniferous z) Silurian

Description : On the Phanerozoic (pron: fan-eh-row-zo-ick) Time Scale, which of the following geologic periods occurred approximately 395 to 430 million years ago? Is it: w) Jurassic (pron: ju-ras-ick) x) Permian y) Carboniferous z) Silurian

Last Answer : ANSWER: Z -- SILURIAN

On the Phanerozoic (pron: fan-eh-reh-zO-ik) Time Scale, which of the following geologic periods occurred approximately 225 to 280 million years ago? Is it: w) Jurassic x) Permian y) Carboniferous z) Silurian

Description : On the Phanerozoic (pron: fan-eh-reh-zO-ik) Time Scale, which of the following geologic periods occurred approximately 225 to 280 million years ago? Is it: w) Jurassic x) Permian y) Carboniferous z) Silurian

Last Answer : ANSWER: X -- PERMIAN

What is the primary CONSTITUENT of human bones? w) Calcium sulfate x) Calcium carbonate y) Hydroxyapatite (pron: high-drox-ee-ap-eh-tite) z) Chloroapatite (pron: klor-o-ap-eh-tite)

Description : What is the primary CONSTITUENT of human bones? w) Calcium sulfate x) Calcium carbonate y) Hydroxyapatite (pron: high-drox-ee-ap-eh-tite) z) Chloroapatite (pron: klor-o-ap-eh-tite)

Last Answer : ANSWER: Y -- HYDROXYAPATITE 

Calciferol (pron: kal-sif-eh-rol) is the common name of what vitamin?

Description : Calciferol (pron: kal-sif-eh-rol) is the common name of what vitamin?

Last Answer : ANSWER: VITAMIN D

The loss of water of crystallization from a hydrat when exposed to air is termed: w) efflorescence (pron: eh-floor-es-ence) x) deliquescence (pron: del-i-kwes-ence) y) quiescence (pron: kwi-es-ence) z) anhydrogenation

Description : The loss of water of crystallization from a hydrat when exposed to air is termed: w) efflorescence (pron: eh-floor-es-ence) x) deliquescence (pron: del-i-kwes-ence) y) quiescence (pron: kwi-es-ence) z) anhydrogenation

Last Answer : ANSWER: W -- EFFLORESCENCE

Which one of the following is NOT a vitamin? w) ascorbic acid x) niacin (pron: nI-eh-sen) y) trypsin (pron: trip-sen) z) riboflavin (pron: rye-bow-fla-vin)

Description : Which one of the following is NOT a vitamin? w) ascorbic acid x) niacin (pron: nI-eh-sen) y) trypsin (pron: trip-sen) z) riboflavin (pron: rye-bow-fla-vin)

Last Answer : ANSWER: Y -- TRYPSIN

Which of the following terms describes the study o animal behavior based on comparisons, the observation of patterns, and the consideration of environmental adaptations? Is it: a) ethology (pron: eh-thol-eh-gee) b) evisceration (pron: eh-vis-eh-ray-shun) c) promotorism d) sociology

Description : Which of the following terms describes the study o animal behavior based on comparisons, the observation of patterns, and the consideration of environmental adaptations? Is it: a) ethology (pron: eh-thol-eh-gee) b) evisceration (pron: eh-vis-eh-ray-shun) c) promotorism d) sociology

Last Answer : ANSWER: A -- ETHOLOGY

Which of the following is a term for mononuclear, granulocytic white blood cells that produce immunoglobulins? a) lymphocytes b) platelets c) erythrocytes (pron: eh-rith-reh-sites) d) none of these

Description : Which of the following is a term for mononuclear, granulocytic white blood cells that produce immunoglobulins? a) lymphocytes b) platelets c) erythrocytes (pron: eh-rith-reh-sites) d) none of these

Last Answer : ANSWER: A -- LYMPHOCYTES

Which of the following refers to the term -- tracheotomy (pron: tray-key-ot-eh-me)? a) an electrical determination of the flow rate of air through the trachea b) an incision of the trachea c) the removal of the trachea due to gross cancerous tumor formation d) none of these

Description : Which of the following refers to the term -- tracheotomy (pron: tray-key-ot-eh-me)? a) an electrical determination of the flow rate of air through the trachea b) an incision of the trachea c) the removal of the trachea due to gross cancerous tumor formation d) none of these

Last Answer : ANSWER: B -- AN INCISION OF THE TRACHEA

Which of the following terms relates to the mating of genetically-related individuals ("blood relatives")? a) familialism (pron: feh-mil-yel-ism) b) kinship genetics c) consanguinity (pron: kon-sang-gwin-eh-tee) d) none of these

Description : Which of the following terms relates to the mating of genetically-related individuals ("blood relatives")? a) familialism (pron: feh-mil-yel-ism) b) kinship genetics c) consanguinity (pron: kon-sang-gwin-eh-tee) d) none of these

Last Answer : ANSWER: C -- CONSANGUINITY

Which two of the following four bases in DNA are pyrimidine (pron: pie-rim-eh-den) bases? a) cytosine b) thymine c) adenine d) guanine (pron: gwa - neen)

Description : Which two of the following four bases in DNA are pyrimidine (pron: pie-rim-eh-den) bases? a) cytosine b) thymine c) adenine d) guanine (pron: gwa - neen)

Last Answer : ANSWER: A and B -- CYTOSINE and THYMINE

Which of the following laws best describes the statement: The members of an homologous (pron: ho-MOL-eh-gus) pair of genes are separated during meiosis (pron: my-O-sis) of reproductive cells so that each gamete (pron: GAM-eet) contains one of the alleles (pron: a-leels). Is it: a) law of segregation b) law of independent assortment c) law of filial (pron: FILL-ee-al) generation d) law of sorting

Description : Which of the following laws best describes the statement: The members of an homologous (pron: ho-MOL-eh-gus) pair of genes are separated during meiosis (pron: my-O-sis) of reproductive cells so that ... law of independent assortment c) law of filial (pron: FILL-ee-al) generation d) law of sorting

Last Answer : ANSWER: A -- LAW OF SEGREGATION

The tendency of a plant to grow toward light is called: a) photosynthesis b) photoinduction c) phototropism (pron: fo-tot-row-piz-em) d) photolysis (pron: fo-tol-eh-sis)

Description : The tendency of a plant to grow toward light is called: a) photosynthesis b) photoinduction c) phototropism (pron: fo-tot-row-piz-em) d) photolysis (pron: fo-tol-eh-sis)

Last Answer : ANSWER: C -- PHOTOTROPISM

Sharks are: a) amphibians b) bony fish c) cartilaginous fish (pron: kart-el-aj-eh-nes) d) reptiles

Description : Sharks are: a) amphibians b) bony fish c) cartilaginous fish (pron: kart-el-aj-eh-nes) d) reptiles

Last Answer : ANSWER: C -- CARTILAGINOUS FISH

Name a pyrimidine (pron: pie-rim-eh-den) base.

Description : Name a pyrimidine (pron: pie-rim-eh-den) base.  

Last Answer : ANSWER: THYMINE or CYTOSINE or URACIL 

The type of gene interaction in which the effects of one gene override or mask the effects of other entirely different genes is called: a) linkage b) mutation c) pleitropy (pron: ply-ah-tropy) d) epistasis (pron: eh-pis-te-sis)

Description : The type of gene interaction in which the effects of one gene override or mask the effects of other entirely different genes is called: a) linkage b) mutation c) pleitropy (pron: ply-ah-tropy) d) epistasis (pron: eh-pis-te-sis)

Last Answer : ANSWER: D -- EPISTASIS

Lengthening of long bones in humans occurs in a particular area of the bone. This area is called the: a) medullary canal b) cancellous bone c) periosteum (pron: per-E-ahs-tee-em) d) epiphysis (pron: eh-pif-eh-sis)

Description : Lengthening of long bones in humans occurs in a particular area of the bone. This area is called the: a) medullary canal b) cancellous bone c) periosteum (pron: per-E-ahs-tee-em) d) epiphysis (pron: eh-pif-eh-sis)

Last Answer : ANSWER: D -- Epiphysis

The several types of white blood cells are sometime collectively referred to as: a) erythrocytes (pron: eh-rith-row-cites) b) leukocytes (pron: lew-kah-cites) c) erythroblasts (pron: eh-rith-rah-blast) d) thrombocytes (pron: throm-bow-cites)

Description : The several types of white blood cells are sometime collectively referred to as: a) erythrocytes (pron: eh-rith-row-cites) b) leukocytes (pron: lew-kah-cites) c) erythroblasts (pron: eh-rith-rah-blast) d) thrombocytes (pron: throm-bow-cites)

Last Answer : ANSWER: B -- leukocytes 

Sponges are included in which of the following phyla? a) Cnidaria (pron: nid-air-e-ah) b) Porifera c) Reptilia d) Foraminifera (pron: feh-ram-eh-nif-eh-rah)

Description : Sponges are included in which of the following phyla? a) Cnidaria (pron: nid-air-e-ah) b) Porifera c) Reptilia d) Foraminifera (pron: feh-ram-eh-nif-eh-rah)

Last Answer : ANSWER: B -- PORIFERA 

A lake which has high nutrient availability is: a) oligotrophic (pron: all-i-go-tro-fik) b) eutrophic (pron: you-tro-fik) c) mesotrophic (pron: mez-eh-tro-fik)

Description : A lake which has high nutrient availability is: a) oligotrophic (pron: all-i-go-tro-fik) b) eutrophic (pron: you-tro-fik) c) mesotrophic (pron: mez-eh-tro-fik)

Last Answer : ANSWER: B -- eutropHic

The name of the ductless glands which secrete thei product into the circulatory system are: a) exocrine (pron: ek-seh-kren) b) apocrine (pron: ap-eh-kren) c) holocrine (pron: hoe-leh-kren) d) endocrine (pron: en-deh-kren)

Description : The name of the ductless glands which secrete thei product into the circulatory system are: a) exocrine (pron: ek-seh-kren) b) apocrine (pron: ap-eh-kren) c) holocrine (pron: hoe-leh-kren) d) endocrine (pron: en-deh-kren)

Last Answer : ANSWER: D -- ENDOcrine

Octopus and squid belong to the class of molluscs known as: a) cephalopoda (pron: sef-eh-lah-pod-ah) b) bivalvia c) gastropoda (pron: gas-tro-pod-ah) d) polyplacophora (pron: poly-pla-so-for-ah)

Description : Octopus and squid belong to the class of molluscs known as: a) cephalopoda (pron: sef-eh-lah-pod-ah) b) bivalvia c) gastropoda (pron: gas-tro-pod-ah) d) polyplacophora (pron: poly-pla-so-for-ah) 

Last Answer : ANSWER: A -- CEPHALOPODA