Q. Absence of a centralized nervous system in hydra is because of

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Q. Experience has an obvious influence on the

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Q. Membrane potential of a non-conducting or resting neuron is

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Q. Hormone production is a function related to

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Q. Messages from central nervous system to effector is transferred through

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Q. Secretin is produced from

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Q. Bolting of some rosette plants is promoted by

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Q. Heart beat rate, blood pressure and digestive tract mobility is increased by

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Q. A neuron at rest is electrically

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Q. Neurons once mature

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Q. Corticosterone belongs to group

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Q. Reticular formation is important in screening

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Q. To start an impulse in next neuron, it may take

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Q. Development of secondary male characteristics is caused by

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Q. Acetylcholine and adrenaline are

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Q. Melanocytes in skin produce pigments that are

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Q. Smaller fibers which carry nerve impulse towards cell body are called

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Q. Secretion of saliva by dogs on ringing bell just before giving them food is an example of

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Q. Both adrenaline and nor-adrenaline are secreted in situations of

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Q. Tri-iodothyronine in its structure contains

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