Question # 1

The disease caused due to destruction of adrenal cortex is.

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Cushing

Diabetes

Addison

Alzheimer

EEG is the most important test for the study of.

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Epilepsy

alzheimer's disease

Parkinson's disease

Arthritis

___ are indole acetic acid or its variants.

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auxins

Gibberellins

Cytokinine

Ethene

Auxins promote growth of roots from

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Cutting

Calluses

Both a & b

Layering

The main transmitter for synapses that lie outside the central nervous system is

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Adrenaline

Acetylcholine

Serotonin

Dopamine

Etiolated plants grow without.

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Water

Light

O2

CO2

Who was the first to propose an objective definition of instincts in terms of animal behaviour

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Darwin

Lamarck

Wallace

Lyell

Metal illness causes.

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Alzheimer

Diphteria

Hemophilia

Kwashiorkor

A nerve is

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Collection of neurons

Bandle of axons or dendrites

Connection of dendrites

Bundle of exon of dendrites bounded by connection

The cytoplasmic process/fibre which carry impulse towards cell body is called.

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Dendron

Axons

Neurofibrils

Nissl's granules

The plant hormone that inhibit the growth lateral shoots.

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Cytokine

Auxin

Gibberellin

Ethene

Pathway of passage of impulse during reflex action is called.

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Reflex

Reflex arc

Stimulus

Membrane potential

All are related to medulla oblongata, except.

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Long term memory

Breathing rate

Blood pressure

Heart beat rate

median lobe of pituitary gland secretes hormone.

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Gonadotrophic hormone

Melanophore stimulating hormone

antidiuretic hormone

Somatotrophin

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

Testosterone is secreted by

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Sertoli cells

Interstitial cells

Prostrate gland

Germinal epithelium

The organic portion of bones matrix is important in providing all but:

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Tensile strength

Hardness

To resist stretch

Flexibilty

Imprinting is best known in birds such as

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Geese

Ducks

Chickens

All a,b,and c

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