MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 1405 Mcqs, each offering curated multiple-choice questions to sharpen your Logical and Verbal Reasoning knowledge and support exam preparation. Choose a topic below to get started.
| 501. |
Most of the hormones that circulate around the body are controlled in oneway or another by ---------- |
| A. | Pituitary gland |
| B. | Adrenal gland |
| C. | Liver |
| D. | Thymus gland |
| Answer» B. Adrenal gland | |
| 502. |
The hormones released by the anterior pituitary are usually stimulatinghormones but one of them acts directly on target cells: |
| A. | Oxytocin |
| B. | Prolactin |
| C. | Dopamine |
| D. | Epinephrine |
| Answer» C. Dopamine | |
| 503. |
Two hormones which have a significant role at the time of child birth are: |
| A. | Oxytocin and adrenaline |
| B. | Dopamine and vasopressin |
| C. | Serotonine and vasopressin |
| D. | Oxytocin and vasopressin |
| Answer» E. | |
| 504. |
Control of the anterior pituitary is by -----------inputs from the hypothalamusbut the posterior pituitary are controlled by --------input from the hypothalamus. |
| A. | Hormonal; Neuronal |
| B. | Neuronal; Hormonal |
| C. | Hormonal; electro chemical |
| D. | Neuronal; electrical |
| Answer» B. Neuronal; Hormonal | |
| 505. |
Release of oxytosine is an example of |
| A. | Hormone secretion |
| B. | Positive feedback |
| C. | Negative feedback |
| D. | Neurochemical secretion |
| Answer» C. Negative feedback | |
| 506. |
, the receptors within the endocrine gland register that there is enough hormone circulating and turn off production and/or release of any more hormone at somecut-off point, known as: |
| A. | Positive feedback |
| B. | Negative feedback |
| C. | Response initiation |
| D. | Response prevention |
| Answer» C. Response initiation | |
| 507. |
Cholecystokinin (CCK) is an example of : |
| A. | Neurochemical |
| B. | Hormones |
| C. | Neurohormones |
| D. | Chemical |
| Answer» D. Chemical | |
| 508. |
Autocrine action is used to describe a hormone that : |
| A. | Acts on the cells that released it. |
| B. | More localized action |
| C. | Acts quickly under emergency conditions |
| D. | Acts automatically |
| Answer» B. More localized action | |
| 509. |
Under strong emotions: |
| A. | Thyroxin is secreted |
| B. | Cortin is secreted |
| C. | Adrenalin is secreted |
| D. | Dopamine is secreted |
| Answer» D. Dopamine is secreted | |
| 510. |
Which neurotransmitter is produced by the neurons located in a region of braincalled substantia nigra? |
| A. | Acetylcholine |
| B. | Nor epinephrine |
| C. | Dopamine |
| D. | Serotonin |
| Answer» D. Serotonin | |
| 511. |
Endocrine glands are called ductless glands because they secrete theirhormones: |
| A. | through genes |
| B. | directly into the blood |
| C. | through chromosomes |
| D. | through tubes |
| Answer» C. through chromosomes | |
| 512. |
Insulin is an example of |
| A. | peptides |
| B. | amino acids |
| C. | fatty acids |
| D. | Steroids |
| Answer» B. amino acids | |
| 513. |
Once hormone has been secreted, it reaches to target organ through |
| A. | Neurons |
| B. | Blood |
| C. | Proteins |
| D. | Neurotransmitters |
| Answer» C. Proteins | |
| 514. |
Which chemical in the following list can act as both a neurotransmitter and ahormone? |
| A. | Epinephrine |
| B. | Dopamine |
| C. | Insulin |
| D. | Thyroxin |
| Answer» B. Dopamine | |
| 515. |
What is a target cell? |
| A. | Specialized receptor cells that accepts hormones |
| B. | Specialized cells that secrets hormones |
| C. | Cells which controls the secretion rate of hormones |
| D. | Cells that determine where to store hormones |
| Answer» B. Specialized cells that secrets hormones | |
| 516. |
Which part is known as the ‘ relay centre’ and transmit almost all the sensorymessages? |
| A. | Cerebellum |
| B. | Thalamus |
| C. | Limbic system |
| D. | Hypothalamus |
| Answer» C. Limbic system | |
| 517. |
Which hormone increases body energy and prepare us for ‘Fight or Flight’response? |
| A. | Thyroxin |
| B. | Dopamine |
| C. | Adrenaline |
| D. | Serotonin |
| Answer» D. Serotonin | |
| 518. |
The endocrine system is the internal communication network in the body, and ituses chemical messengers called----- |
| A. | Neurons |
| B. | Blood |
| C. | Impulses |
| D. | Hormones |
| Answer» E. | |
| 519. |
Motor disturbances in Parkinson's disease can be treated with a drug called----- |
| A. | Amphetamine |
| B. | Haloperidol |
| C. | L-dopa |
| D. | Lithium |
| Answer» D. Lithium | |
| 520. |
Disruptions of dopamine transmission lead to resting tremors and jerky motormovements called ----- |
| A. | Parkinson’s disease |
| B. | Amnesia |
| C. | Alzheimer’s disease |
| D. | schizophrenia |
| Answer» B. Amnesia | |
| 521. |
The dispute between the place theory and the frequency theory has to do withthe action of the |
| A. | Basilar Membrane |
| B. | Ossicles |
| C. | Inferior colliculus |
| D. | Somatosensory cortex |
| Answer» B. Ossicles | |
| 522. |
Semicircular canals are involved in which sense? |
| A. | Auditory |
| B. | Kinesthetic |
| C. | Olfactory |
| D. | Visual |
| Answer» B. Kinesthetic | |
| 523. |
opponent-process theory of color vision is proposed by |
| A. | Thomas Young |
| B. | Edwin Land |
| C. | Ewald Hering |
| D. | Hurvich and Jameson |
| Answer» D. Hurvich and Jameson | |
| 524. |
is the part of the brain where the optic nerves partially cross |
| A. | optic chiasma |
| B. | lateral geniculate nucleus |
| C. | Superior Colliculus |
| D. | optic tract |
| Answer» B. lateral geniculate nucleus | |
| 525. |
fovea composed of |
| A. | more number of cones |
| B. | more number of rods |
| C. | more number of rods and cones |
| D. | no rods and cones |
| Answer» B. more number of rods | |
| 526. |
blind spot consists of |
| A. | more number of cones |
| B. | more number of rods |
| C. | more number of rods and cones |
| D. | no rods and cones |
| Answer» E. | |
| 527. |
------------are helping for color vision |
| A. | Cones |
| B. | Blind spot |
| C. | fovea |
| D. | Rods |
| Answer» B. Blind spot | |
| 528. |
------------are used for seeing in low light conditions |
| A. | Cones |
| B. | Blind spot |
| C. | fovea |
| D. | Rods |
| Answer» E. | |
| 529. |
The major interior chamber of the eye is filled with a jellylike substance called |
| A. | aqueous humor |
| B. | vitreous humor |
| C. | epithelium |
| D. | Cerebro spinal fluid |
| Answer» C. epithelium | |
| 530. |
Wavelength is perceived by the visual system as ----------------- |
| A. | Brightness |
| B. | Depth |
| C. | Distance |
| D. | Color |
| Answer» E. | |
| 531. |
Wernicke’s area is located in -------------- |
| A. | Frontal lobe |
| B. | Parietal lobe |
| C. | Temporal lobe |
| D. | Occipital lobe |
| Answer» D. Occipital lobe | |
| 532. |
Broca’s area is located in -------------- |
| A. | Frontal lobe |
| B. | Parietal lobe |
| C. | Temporal lobe |
| D. | Occipital lobe |
| Answer» B. Parietal lobe | |
| 533. |
----------------plays important roles in fear, rage, and aggression |
| A. | Amygdale |
| B. | Hippocampus |
| C. | Olfactory bulbs |
| D. | limbic cortex |
| Answer» B. Hippocampus | |
| 534. |
----------- is a major regulatory center for behaviors such as eating, drinking, sex, biorhythms,and temperature control |
| A. | Hypothalamus |
| B. | Thalamus |
| C. | Limbic system |
| D. | cerebellum |
| Answer» B. Thalamus | |
| 535. |
------------- plays an important role in regulating states of sleep and wakefulness |
| A. | Thalamus |
| B. | Hypothalamus |
| C. | Amygdale |
| D. | limbic cortex |
| Answer» B. Hypothalamus | |
| 536. |
------------is named as relay center in the brain |
| A. | Hypothalamus |
| B. | Pons |
| C. | Thalamus |
| D. | Spinal cord |
| Answer» D. Spinal cord | |
| 537. |
Diencephalon and the telencephalon are the divisions of ----------- |
| A. | Forebrain |
| B. | Midbrain |
| C. | Hindbrain |
| D. | Cerebrum |
| Answer» C. Hindbrain | |
| 538. |
Vision is associated with |
| A. | Red nucleus |
| B. | Substantia nigra |
| C. | Superior colliculi |
| D. | Inferior colliculi |
| Answer» D. Inferior colliculi | |
| 539. |
----------------is considering as little brain |
| A. | Thalamus |
| B. | Cerebellum |
| C. | Hypothalamus |
| D. | Pons |
| Answer» C. Hypothalamus | |
| 540. |
-----------is not a part of hindbrain |
| A. | Medulla |
| B. | Pons |
| C. | Thalamus |
| D. | cerebellum |
| Answer» D. cerebellum | |
| 541. |
In suprasegmental reflex |
| A. | comprises neurons associated with one or even a few spinal segments |
| B. | consists of neurons associated with several spinal segments |
| C. | involves neurons in the brain that influence the reflex activity in the spinal cord |
| D. | spinal cord does not involve |
| Answer» D. spinal cord does not involve | |
| 542. |
--------------part of CNS manages reflex behavior |
| A. | Medulla |
| B. | Spinal cord |
| C. | Somatic nervous system |
| D. | Thalamus |
| Answer» C. Somatic nervous system | |
| 543. |
_____________is considered as information superhighway |
| A. | Brain |
| B. | Cranial nerves |
| C. | Thalamus |
| D. | Spinal cord |
| Answer» E. | |
| 544. |
polygraph was invented in 1921 by John Augustus Larson |
| A. | John Augustus Larson |
| B. | Leonarde Keeler |
| C. | Cesare Lombroso |
| D. | Vittorio Benussi |
| Answer» B. Leonarde Keeler | |
| 545. |
___________has a major role in the ‘fight or flight’ response |
| A. | Spinal cord |
| B. | Autonomic nervous system |
| C. | Somatic nervous system |
| D. | Parasympathetic nervous system |
| Answer» C. Somatic nervous system | |
| 546. |
__________helps to maintain bodily homeostasis |
| A. | Autonomic nervous system |
| B. | Somatic nervous system |
| C. | Spinal cord |
| D. | Sympathetic nervous system |
| Answer» B. Somatic nervous system | |
| 547. |
---------- of spinal nerves exit the spinal cord |
| A. | 12 pairs |
| B. | 5 pairs |
| C. | 31 pairs |
| D. | 23 pairs |
| Answer» D. 23 pairs | |
| 548. |
Function of optic nerve is |
| A. | Controls muscles of the eye |
| B. | Carrying information from the eyes to the brain |
| C. | Carrying information about smell to the brain |
| D. | Carries information from the inner ear to the brain |
| Answer» C. Carrying information about smell to the brain | |
| 549. |
Which part of nervous system responsible for "vegetative" processes? |
| A. | Somatic nervous system |
| B. | Autonomic nervous system (ANS) |
| C. | Central nervous system |
| D. | Sympathetic nervous system |
| Answer» C. Central nervous system | |
| 550. |
Cranial nerves are part of --------------- |
| A. | Spinal cord |
| B. | peripheral nervous system |
| C. | Central nervous system |
| D. | Sympathetic nervous system |
| Answer» C. Central nervous system | |