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Inner part of cerebral hemisphere, which...

Inner part of cerebral hemisphere, which is involved in sexual behaviour, motivation expression of emotional reactions etc. and a group of associated deep structure like amygdala, hippocampus etc. is

A

Recticular system

B

Corpora quadrigemina

C

Limbic lobe/limbic system

D

Arbor vitae

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The correct Answer is:
C
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The inner parts of cerebral hemispheres and a group of association deep structures like amygdala, hippocampus etc., from a complex structure called

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Structure / set of structuresin the brain which is associated with emotions like rage, fear, anger expression

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The colloidal particles are electrically charged as a indicated by their migration towards cathode or anode under the applied electric field. In a particular colloidal system, all particles carry either positive charge or negative charge. The electric charge on colloidal particles orginate in several ways. According to preferential adsorption theory, the freshly obtained precipitate particles adsorb ions from the dispersion medium, which are common to their lattice and acquire the charge of adsorbed ions. For example, For example, freshly obtained Fe(OH)_(3) precipitated is dispersed, by a little FeCl_(3) , into colloidal solution owing to the adsorption of Fe^(3+) ions in preference. Thus sol particles will be positively charged. In some cases the colloidal particles are aggregates of cations or anions having ampiphilic character. When the ions posses hydrophobic part (hydrocarbon end) as well as hydrophilic part (polar end group), they undergo association in aqueous solution to form particles having colloidal size. The formation of such particles, called micelles plays a very important role in the solubilization of water insoluble substances, (hydrocarbon, oils, fats, grease etc.). In micelles, the polar end groups are directed towards water and the hydrocarbon ends into the centre. The charge on sol particles of proteins depends on the pH. At low pH, the basic group of protein molecule is ionized (protonated) and at higher pH (alkaline medium), the acidic group is ionized. At isoelectric pH, characteristic to the protein, both basix and acidic groups are equally ionized. The stability of colloidal solution is attributed largely to the electric charge of the dispersed particles. This charge causes them to be coagulated or precipitated. On addition of small amount of electrolytes, the ions carrying oppiste charge are adsorbed by sol particles resulting in the neutralization of their charge. When the sol particles either with no charge or reduced charge, come closer due to Brownian movement, they coalesce to form bigger particles resulting in their separation from the dispersion medium. This is what is called coagulating or precipitation of the colloidal solution. The coagulating power of the effective ion, which depend on its charge, is expressed in terms of its coagulating value, defined as its minimum concentration (m mol/L) needed to precipitate a given sol. Which of the following ions would have the minimum coagulating value for sol obtained on peptizing Sn(OH)_(4) by little NaOH solution?

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MOTION-NEUTRAL AND COORDINATION-Exercise -2
  1. The cerebrum wraps around a structure called thalamus, which is

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  2. Hypothalamus does not control

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  3. Inner part of cerebral hemisphere, which is involved in sexual behavio...

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  4. Which of the following statements or structures is not correct about t...

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  5. Read the following statements and choosed the correct option- I. Cer...

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  6. Different components of reflex arc are given below: I. Effector orga...

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  7. Where A stands for axon, D for dendrite, S for synapse, and CB for cel...

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  8. What is meant by a reflex arc in the nervous system?

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  9. The given diagram represent reflex action shows knee jerk reflex In...

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  10. Read the following statements :- (a) Nervous system provides an orga...

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  11. Which of the following answer shows the correct arrangement of nerve f...

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  12. Which statement is correct regarding neuron.

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  13. Which of the nervous system transmit impulse from CNS to involuntary o...

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  14. Read the following statement : (A) Peripheral nervous system divide'...

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  15. Which of the statement is false regarding synapse.

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  16. Which of the following statement is correct. (A) The electrical pote...

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  17. Na^+ – K^+ pump (A) Transports 3Na^+ inwards & 2K^+ outwards. (B) Ma...

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  18. Which of the following are controlled by limbic system : (A) Emotional...

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  19. The prime area of brain where different type of information are integr...

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  20. In an epileptic patient, doctor administer a GABA facilitatory drug. A...

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