Question # 1

Active membrane potential is

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0.05 volts

- 50 mv

Both a & b

0.07 volts

Imprinting is best known in birds such as

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Geese

Ducks

Chickens

All a,b,and c

During non conducting state the neuron membrane is permeable to efflux of.

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Cl-

Ca

Ca+

Na+

K+

Alzheimer's disease is characterized by the decline in the function of.

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Brain

Kidney

Liver

Stomach

Which neurons have long axon.

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Sensory

Motor

Cell body

Associateive

Secretin is a hormone produced by

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Liver

Gut

Adrenals

Pancreas

Cortisol brings about an increase in blood glucose level mainly by its production from protein and by

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Insulin

Glucagons

Oestrogen

Progesterone

Ethene induce flowering in

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Banana

Rose

Pine apple

Orange

The sensation of pain is produced by

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Chemoreceptors

Photoreceptors

Nociceptors

Mechanoreceptors

The largest part of brain is

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Cerebellum

Medulla

Cerebrum

Thallamus

Which of the following statements conserning the role of Ca⁺² inthe contraction of skeletal muscle is correct?

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The mitochondria act as a store of Ca⁺²for the contractile process

Ca⁺²entry across the plasma membrane is important in sustaining the contraction of skeletal muscle

A rise in inter cellular Ca⁺²allows actin to interact with myosin

The tension of a skeletal muscle fiber is partly regulated by G proteins muscle

In myelinated neurons the impulse jumps from node to node (node of Ranvier) This is called

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Myelinated impulse

Jumping impulse

Saltatory impulse

None of these

Alzhelimer's disease is

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Physical illness

Mental illness

Ronal illness

Pulmonary illness

Kohler used chimpanzee to prove

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Habituation

Imprinting

Insight learning

Latent learning

Microscopic gap between the two neurons is called as

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Synapsis

Collapse

Preapse

Axons

Which hormone is chemically steroid .

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ADH

Corticosherone

Insulin

Thyoxine

Which animal has diffused nervous system.

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Octopus

Earthworm

Planaria

Jelly fish

The receptor cells of Planaria are sensitive to.

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Light and pressure

Light pressure and touch

Touch , pressure and chemicals

Light, pressure, touch and chemicals

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