Question # 1

Detection of changes and signaling for effector's response to control system is called.

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-ive feedback mechanism

transformation

feed back mechanism

Nephridial system

median lobe of pituitary gland secretes hormone.

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Gonadotrophic hormone

Melanophore stimulating hormone

antidiuretic hormone

Somatotrophin

The disorder in which bones are porous and thin but bone composition normal is:

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Osteomalacia

Osteoporosis

Rickets

Arthritis

Resting membrane potential of a neuron is

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50 mv

-70 mv

-60 mv

-80 mv

In myelinated neurons, the impulse jumps form node to node and is called.

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Saltatory impulse

synapse

Nerve impulse

synapsis

Testosterone is secreted by

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Sertoli cells

Interstitial cells

Prostrate gland

Germinal epithelium

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 neurons the message is transmitted across synapse in the form of chemical messenger called.

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Nerve impulse

Synaptic vesicle

Neurotransmitters

Communlaction

Alzhelimer's disease is

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Physical illness

Mental illness

Ronal illness

Pulmonary illness

Antidiuretic hormone is also called

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Oxytocin

ACTH

Vasopressin

Both a & b

Which neurons have long axon.

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Sensory

Motor

Cell body

Associateive

Higher from the learning is the

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Conditioned reflex type I

insight learning

Imprinting

Latent learning

In skletal muscle, calcium facilitates contraction by binding to:

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Tropomyosim

Troponin

Actin

Myosin

The hormone which inhibits root growth is.

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auxins

gibberellins

Absclsic acid

Cytokinins

CNS is composed of

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Sensory neuron

Associative neuron

Dendrites

Motor neuron

The corpus luteumscetres a hormone called.

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Oxytocine

Progestrone

Testostrone

Ostrogen

Endocrine gland secrete

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Harmones

Salts

Enzymes

Mucous

EEG is the most important test for the study of.

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Epilepsy

alzheimer's disease

Parkinson's disease

Arthritis

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Biology Fsc Part 2 Chapter 3 Online Test MCQs With Answers

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