Home
Class 12
BIOLOGY
A person entering an empty room suddenly...

A person entering an empty room suddenly find a snake right in front on opening the door.Which one of the following is likely to happen in his neuro-hormonal control system?

A

Hypothalamus activates the parasympathetic division of brain

B

Sympathetic nervous system is activated releasing epinephrine and norepinephrin from adrenal cortex

C

Sympathetic nervous system is activated releaseing epinephrine and norepinephrine from adrenal medulla

D

Neurotransmitters diffuse rapidly across the cleft and transmit a nerve impulse

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • NEURAL CONTROL AND COORDINATION

    AAKASH SERIES|Exercise EXERCISE-II|48 Videos

  • MOLECULAR BASIS OF INHERITANCE

    AAKASH SERIES|Exercise Exercise-III (Previous AIPMT/NEET Questions) (AFMC)|5 Videos

  • ORGANISMS AND POPULATIONS

    AAKASH SERIES|Exercise EXERCISE-III (PREVIOUS AIPMT/NEET QUESTIONS)|35 Videos

Similar Questions

Explore conceptually related problems

Fill in the blanks with suitable words given below. Fluctuation s of hormone (i)_____________ levels results in sensation of hunger and motivation of consuming food. When you feel your stomach is full and there is no need of food any more. Another hormone (ii)_____________ that gets secreted suppresses hunger. When we take food into the mouth it has to be chewed thoroughly. For this purpose the (iii)_____________ muscles help in chewing actions, while the (iv)_____________ muscles of the jaw moves the jaw up,down ,forward and backward during food mastication. The (v)_____________ nerve controls the muscles of the jaw. . Under the action of (vi)_____________ nervous system Saliva is released by the salivary glands moistens the food to make chewing and swallowing easier. The salivary (vii)_____________ in the saliva breaks down the starch into sugars. As a result of chewing the food is transported into the oesophagus by the action of swallowing which is coordinated by the swallowing centre in the (viii)_____________ and the (ix)_____________. The tongue which is gustatory recognizes the taste and (x)_____________ nerve plays an important role in sensation of taste. Choose the right ones. 1) leptin, grehlin gastrin secretin. 2) ghrelin leptin secretin gastrin. 3) deep muscles ,surface muscles ,circular muscles, striated muscles. 4) surface muscles, deep muscles, neck muscles, long muscle. 5) fifth cranial nerve ,second cranial nerve,fifth facial nerve, spinal nerve. 6) central nervous system, peripheral nervous system autonomous nervous system. 7) lipase, sucrase, galactase,amylase. 8) medulla oblongata, cerebrum , 8th spinal nerve,cranial nerve.7th cranial nerve. 9) Pons varoli, brain stem ,medulla oblongata, mid brain. 10) 6^(th) cranial nerve, 5^(th) cranial nerve, 10^(th) cranial nerve, optic nerve.

Fill in the blanks with suitable words given below. Fluctuations of hormone ……………(i)……………levels results in sensation of hunger and motivation of consuming food. When you feel your stomach is full and there is no need of food any more. Another hormone ............(ii).........that gets secreted suppresses hunger . We take food into the mouth it has to be chewed thoroughly. For this purpose the...........(iii)......... muscles help in chewing actions, while the ...............(iv).......... muscles of the jaw moves the jaw up, down ,forward and backward during food mastication. The .............(v)......... nerve controls the muscles of the jaw. Under the action of ............(vi)...........nervous system Saliva is released by the salivary glands moistens the food to make chewing and swallowing easier. The salivary ............(vii)............in the saliva breaks down the starch into sugars. As a result of chewing the food is transported into the esophagus by the action of swallowing which is collimated by the swallowing center in the .......(viii)......... and the ............(ix)...........The tongue which is gustatory recognizes the taste and...........(x)............nerve plays an important role in sensation of taste. Choose the right ones. i) Leptin , ghrelin , gastrin , secretin. ii) ghrelin , Leptin , secretin , gastrin. iii) deep muscles , surface muscles , circus lard muscles, striated muscles. iv) surface muscles , deep muscles , neck muscles , long muscles. v) fifth cranial nerve , second cranial nerve , fifth facial nerve , spinal nerve. vi) central nervous system , peripheral nervous system , autonomous nervous system vii) lipase , sucrose , galactase , amylase. viii) medulla oblongata , cerebrum , 8th spinal nerve , cranial nerve, 7th cranial nerve. ix) Pons virile , brain stem medulla oblongata , mid brain . x) 6th cranial nerve , 5th cranial nerve, 10th cranial nerve , optic nerve.

AAKASH SERIES-NEURAL CONTROL AND COORDINATION-EXERCISE-III( PREVIOUS AIPMT / NEET QUESTIONS)
  1. A diagram showing axon terminal and synapse is given. Identify correct...

    Text Solution

    |

  2. Parts A, B, C and D of the human eye are shown in the diagram. Select ...

    Text Solution

    |

  3. A person entering an empty room suddenly find a snake right in front o...

    Text Solution

    |

  4. Which part of the human ear plays no role in hearing as such but is ot...

    Text Solution

    |

  5. The human hind brain comprises three parts one of which is

    Text Solution

    |

  6. When a neuron is in resting state, i.e., not conducting any impulse, t...

    Text Solution

    |

  7. The nerve centres which control the body temperature and the urge for ...

    Text Solution

    |

  8. When part of human brain is concerned with the regulation of body temp...

    Text Solution

    |

  9. Alzheimer disease in humans is associated with the deficiency of :

    Text Solution

    |

  10. Cornea transplant in human is almost never rejected. This is because:

    Text Solution

    |

  11. During the propagation of a nerve impulse. the action potential result...

    Text Solution

    |

  12. Which one of the following is the correc difference between rod cells ...

    Text Solution

    |

  13. Given below is a diagrammatic cross section of a single loop of human ...

    Text Solution

    |

  14. Which one of the following pairs of structures distinguishes a nerve c...

    Text Solution

    |

  15. Which one of the following is an example of negative feedback loop in ...

    Text Solution

    |

  16. Bowinan's glands are located in the

    Text Solution

    |

  17. During the transmission of nerve impulse through a nerve fibre, the po...

    Text Solution

    |

  18. Rowman's glands are found in :

    Text Solution

    |

  19. Which one of the following does not act as a neutrasmitter?

    Text Solution

    |

  20. One of the examples of the action of the autonomous nervous system is ...

    Text Solution

    |