284892
Middle ear protects the internal ear from high sound waves:
1 By the reflex action of tenser tympani and stapes muscle
2 By pulling inside malleus and tympanic membrane
3 By pulling outside the stapes and basal plates
4 All of the above
Explanation:
B The middle ear provides protection to the inner ear form high intensity sound through a mechanism called the acoustic reflex. When loud sound, the muscles in the middle ear contract which reduces the transmission of sound vibration to the inner tensor tympani and stapedius muscles, helps protect delicate inner ear structure like the cochlea from potential damage, caused by excessively loud noises.
Rajasthan PMT-1996
Neural Control and Coordination
284893
Pigment iodopsin is contained in
1 Rod cells
2 Cone cells
3 Amacrime cells
4 Horizontal cells
Explanation:
B Cone cell contain a visual violet pigment called iodopsin which is sensitive to bridge day light. Iodopsin pigments are found in one of the retina cells. Retinal cells are present in the eyes. These cells are responsible for light vision there are two types of photo pigment cells, i.e. rods and cone cells. Rod cells are responsible for dark and dim light vision whereas con cells are responsible for light vision or colour vision.
Manipal-2012 / AFMC-2010
Neural Control and Coordination
284894
Branching tree like processes of white matter called \(A\) are located in \(B\) of CNS. \[ \mathbf{A} \]
1 Funiculi
2 Folia
3 Corpora striata
4 Arbor vitae B spinal cord medulla oblongata cerebrum cerebellum
Explanation:
D The cerebellum is located at the back of hind brain. The cortex of cerebellum is consist of outer white matter and inner gray matter. The white matter project the outside and tree like branching. Cerebellum role in coordinating and regulating voluntary muscle movements, balance, posture and motor learning. It communicates with other brain region including the cerebral cortex and brainstem, to fine funs motor functions and maintain overall motor precision.
MHT CET 5.10.2020 Shift-I
Neural Control and Coordination
284895
In the following abnormalities of the eye, which one is a serious condition that leads to blindness?
1 Presbyopia
2 Myopia
3 Hypermetropia
4 Glaucoma
Explanation:
D Glaucoma is a group of colour (eye) disorders resulting in optic nerve damage or loss to the field of vision caused by a pressure build up of the fluid of the eye ball. The increased pressure can damage the optic nerve which transmitted image to the brain. If damage to the optic nerve from high eye pressure continuous, glaucoma will cause permanent loss of vision.
284892
Middle ear protects the internal ear from high sound waves:
1 By the reflex action of tenser tympani and stapes muscle
2 By pulling inside malleus and tympanic membrane
3 By pulling outside the stapes and basal plates
4 All of the above
Explanation:
B The middle ear provides protection to the inner ear form high intensity sound through a mechanism called the acoustic reflex. When loud sound, the muscles in the middle ear contract which reduces the transmission of sound vibration to the inner tensor tympani and stapedius muscles, helps protect delicate inner ear structure like the cochlea from potential damage, caused by excessively loud noises.
Rajasthan PMT-1996
Neural Control and Coordination
284893
Pigment iodopsin is contained in
1 Rod cells
2 Cone cells
3 Amacrime cells
4 Horizontal cells
Explanation:
B Cone cell contain a visual violet pigment called iodopsin which is sensitive to bridge day light. Iodopsin pigments are found in one of the retina cells. Retinal cells are present in the eyes. These cells are responsible for light vision there are two types of photo pigment cells, i.e. rods and cone cells. Rod cells are responsible for dark and dim light vision whereas con cells are responsible for light vision or colour vision.
Manipal-2012 / AFMC-2010
Neural Control and Coordination
284894
Branching tree like processes of white matter called \(A\) are located in \(B\) of CNS. \[ \mathbf{A} \]
1 Funiculi
2 Folia
3 Corpora striata
4 Arbor vitae B spinal cord medulla oblongata cerebrum cerebellum
Explanation:
D The cerebellum is located at the back of hind brain. The cortex of cerebellum is consist of outer white matter and inner gray matter. The white matter project the outside and tree like branching. Cerebellum role in coordinating and regulating voluntary muscle movements, balance, posture and motor learning. It communicates with other brain region including the cerebral cortex and brainstem, to fine funs motor functions and maintain overall motor precision.
MHT CET 5.10.2020 Shift-I
Neural Control and Coordination
284895
In the following abnormalities of the eye, which one is a serious condition that leads to blindness?
1 Presbyopia
2 Myopia
3 Hypermetropia
4 Glaucoma
Explanation:
D Glaucoma is a group of colour (eye) disorders resulting in optic nerve damage or loss to the field of vision caused by a pressure build up of the fluid of the eye ball. The increased pressure can damage the optic nerve which transmitted image to the brain. If damage to the optic nerve from high eye pressure continuous, glaucoma will cause permanent loss of vision.
284892
Middle ear protects the internal ear from high sound waves:
1 By the reflex action of tenser tympani and stapes muscle
2 By pulling inside malleus and tympanic membrane
3 By pulling outside the stapes and basal plates
4 All of the above
Explanation:
B The middle ear provides protection to the inner ear form high intensity sound through a mechanism called the acoustic reflex. When loud sound, the muscles in the middle ear contract which reduces the transmission of sound vibration to the inner tensor tympani and stapedius muscles, helps protect delicate inner ear structure like the cochlea from potential damage, caused by excessively loud noises.
Rajasthan PMT-1996
Neural Control and Coordination
284893
Pigment iodopsin is contained in
1 Rod cells
2 Cone cells
3 Amacrime cells
4 Horizontal cells
Explanation:
B Cone cell contain a visual violet pigment called iodopsin which is sensitive to bridge day light. Iodopsin pigments are found in one of the retina cells. Retinal cells are present in the eyes. These cells are responsible for light vision there are two types of photo pigment cells, i.e. rods and cone cells. Rod cells are responsible for dark and dim light vision whereas con cells are responsible for light vision or colour vision.
Manipal-2012 / AFMC-2010
Neural Control and Coordination
284894
Branching tree like processes of white matter called \(A\) are located in \(B\) of CNS. \[ \mathbf{A} \]
1 Funiculi
2 Folia
3 Corpora striata
4 Arbor vitae B spinal cord medulla oblongata cerebrum cerebellum
Explanation:
D The cerebellum is located at the back of hind brain. The cortex of cerebellum is consist of outer white matter and inner gray matter. The white matter project the outside and tree like branching. Cerebellum role in coordinating and regulating voluntary muscle movements, balance, posture and motor learning. It communicates with other brain region including the cerebral cortex and brainstem, to fine funs motor functions and maintain overall motor precision.
MHT CET 5.10.2020 Shift-I
Neural Control and Coordination
284895
In the following abnormalities of the eye, which one is a serious condition that leads to blindness?
1 Presbyopia
2 Myopia
3 Hypermetropia
4 Glaucoma
Explanation:
D Glaucoma is a group of colour (eye) disorders resulting in optic nerve damage or loss to the field of vision caused by a pressure build up of the fluid of the eye ball. The increased pressure can damage the optic nerve which transmitted image to the brain. If damage to the optic nerve from high eye pressure continuous, glaucoma will cause permanent loss of vision.
284892
Middle ear protects the internal ear from high sound waves:
1 By the reflex action of tenser tympani and stapes muscle
2 By pulling inside malleus and tympanic membrane
3 By pulling outside the stapes and basal plates
4 All of the above
Explanation:
B The middle ear provides protection to the inner ear form high intensity sound through a mechanism called the acoustic reflex. When loud sound, the muscles in the middle ear contract which reduces the transmission of sound vibration to the inner tensor tympani and stapedius muscles, helps protect delicate inner ear structure like the cochlea from potential damage, caused by excessively loud noises.
Rajasthan PMT-1996
Neural Control and Coordination
284893
Pigment iodopsin is contained in
1 Rod cells
2 Cone cells
3 Amacrime cells
4 Horizontal cells
Explanation:
B Cone cell contain a visual violet pigment called iodopsin which is sensitive to bridge day light. Iodopsin pigments are found in one of the retina cells. Retinal cells are present in the eyes. These cells are responsible for light vision there are two types of photo pigment cells, i.e. rods and cone cells. Rod cells are responsible for dark and dim light vision whereas con cells are responsible for light vision or colour vision.
Manipal-2012 / AFMC-2010
Neural Control and Coordination
284894
Branching tree like processes of white matter called \(A\) are located in \(B\) of CNS. \[ \mathbf{A} \]
1 Funiculi
2 Folia
3 Corpora striata
4 Arbor vitae B spinal cord medulla oblongata cerebrum cerebellum
Explanation:
D The cerebellum is located at the back of hind brain. The cortex of cerebellum is consist of outer white matter and inner gray matter. The white matter project the outside and tree like branching. Cerebellum role in coordinating and regulating voluntary muscle movements, balance, posture and motor learning. It communicates with other brain region including the cerebral cortex and brainstem, to fine funs motor functions and maintain overall motor precision.
MHT CET 5.10.2020 Shift-I
Neural Control and Coordination
284895
In the following abnormalities of the eye, which one is a serious condition that leads to blindness?
1 Presbyopia
2 Myopia
3 Hypermetropia
4 Glaucoma
Explanation:
D Glaucoma is a group of colour (eye) disorders resulting in optic nerve damage or loss to the field of vision caused by a pressure build up of the fluid of the eye ball. The increased pressure can damage the optic nerve which transmitted image to the brain. If damage to the optic nerve from high eye pressure continuous, glaucoma will cause permanent loss of vision.
