Midbrain

Q.

Do Humans Have Two Brains?

Q.

Average weight of human pituitary gland is

1. 4 gm

2. 2 gm

3. 5 gm

4. 3 gm

Q. Match the following from column I and column II and choose the correct option.
$\begin{array}{cc}\text{Column I}& \text{Column II}\\ \text{A. Midbrain}& \text{I. Pons}\\ \text{B. Forebrain}& \text{ii.Corpus callosum}\\ \text{C. Hindbrain}& \text{iii.Corpora quadrigemina}\end{array}$

1. A-iii, B-i, C-ii
2. A-iii, B-ii, C-i
3. A-ii, B-i, C-iii
4. A- i, B-ii, C-iii

Q. Pons connects:

1. Brain with spinal cord
2. Cerebrum with cerebellum
3. Cerebral cortex with medulla oblongata
4. Two cerebral hemispheres

Q. Which structure allows communication between the right and left cerebral hemisphere?

1. Cerebral cortex
2. Corpus callosum
3. Brain stem
4. Pons

Q. Which of the following is not correctly matched to its location?

1. Cerebral aqueduct - midbrain
2. Corpora quadrigemina - midbrain
3. Pons - hindbrain
4. Brainstem - forebrain

Q. Find out the correct answer from the following statements. The main functions of the cerebrum of human brain are:
(a) To control the contraction of voluntary muscles through the frontal lobe
(b) To control the sensitivity, movement, memory, vocabulary through the frontal lobe
(c) To control the temperature, taste, touch, pain through the parietal lobe
(d) To control the vision and adaptation through the occipital and frontal lobes

1. a, b, d
2. c, d, a
3. a, b, c
4. b, c, d

Q. Given below is the midsagittal view of the brain. Identify the structure marked as ‘A’ in the given figure below.

1. Cerebral aqueduct
2. Midbrain
3. Corpus callosum
4. Hindbrain

Q.

Medula oblongata is also known as __________.

Q.

Hypersecretion of PTH leads to:

1. Osteitis fibrosa cystica

2. Cushings syndrome

3. Addison's disease

4. Tetany

Q. Cerebral aqueduct is filled with

1. endolymph
2. lymph
3. plasma
4. cerebrospinal fluid

Q. White matter in cerebellum is arranged in the form of patches called

1. arbor vitae
2. Purkinje cells
3. aqueduct of Sylvius
4. substantia nigra

Q.

In human brain two hemispheres are connected by bundle of fibers which is known as:

1. Medulla oblongata

2. Cerebrum

3. Cerebellum

4. Corpus callosum

Q.

The basal ganglia comprise

1. All of these

2. Thalamus

3. Hypothalamus

4. Corpus striatum

Q. Which of the following is not true for cerebrum?

1. Cerebral hemispheres are longitudinal halves
2. Forms the major part of the human brain
3. A deep cleft divides transversely into two halves
4. The hemispheres are connected by a tract of nerve fibres called corpus callosum

Q.

Name the following:

The part of the brain associated with memory.

Q. do cortical nephrons and juxta medullary nephrons both exist in humans?

Q. Assertion :The pituitary gland is called as the conductor of the endocrine orchestra.
Reason: Some of the endocrine glands are regulated by the pituitary gland.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q.

Pituitary gland is located

1. Above cerebrum

2. below cerebellum

3. Above the hypothalamus

4. Below the hypothalamus

Q. Parkinson's disease (characterized by tremors and progressive rigidity of limbs) is caused by degeneration of brain neurons that are involved in movement control and make use of the neurotransmitter:

1. Norepinephrine
2. Acetylcholine
3. GABA
4. Dopamine

Q. (xi) is the largest part of the brain.

Q. Corpus callosum connects two ________________.

1. Cerebral hemispheres
2. Ventricles of brain
3. Cerebellar hemispheres
4. Optic thalamus

Q.

Thermoregulatory centre in the body of man is found in

1. Hypothalamus

2. Diencephalon

3. Cerebrum

4. Cerebellum

Q. Diencephalon is not a control centre of

1. Heart Beat
2. Anger
3. Hate
4. Love

Q. Identify the correct statement with reference to arbor vitae in the brain of the rabbit.

1. Rounded elevation present behind infundibulum
2. Thick nerve tracts that link the cerebral hemisphre and medulla oblangata
3. Deep grooves and wrinkles of cerebral hemispheres
4. Branching of white matter in cerebellum

Q. Preganglionic parasympathetic fibres arise from ................. spinal segments.

1. Thoracic and lumbar
2. Thoracic and sacral
3. Brain and lumbar
4. Brain and sacral

Q. Biradial symmetry and lack of cnidoblasts are the characteristics of-

1. Asterias and Adamsia
2. Ctenoplana and Beroe
3. Aurelia and Paramecium
4. Hydra and Asterias

Q. Parkinson's disease (characterized by tremors and progressive rigidity of limbs) is caused by degeneration of brain neurons that are involved in movement control and make use of the neurotransmitter:

1. Acetylcholine
2. Dopamine
3. GABA
4. Norepinephrine