Question # 1

Digitigrade mammals tend to walk on their

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Soles

Digits

Tips of toes

None of these

Each muscle fibre contains a large number of myofibrils having a diameter of

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1 - 2 mm

1 - 5 mm

2 - 4 mm

3 - 7 mm

The concentrations of cell bodies of neuron are

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Ganglia

Dendrites

Axons

Nodules

Frogs and toads also walk and hop on land due to strong

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Forelimbs

Hindlimbs

Trunk

Head

Alzhelimer's disease is

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Physical illness

Mental illness

Ronal illness

Pulmonary illness

Part of brain which controls breathing, heart rate and swelling is.

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Cerebrum

Medulla

Mid Brian

Cerebellum

Amphibians wriggle along the belly on the gound with the help of segmentally arranged

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Muscles

Scales

Skin patches

Both a & b

The diameter of the skeletal muscle fibres is.

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10-80 micro meter

10-100 micro meter

10-120 micro meter

10-135 micro meter

The chemical waste of industry is called.

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Pollution

effluent

Pollutant

Toxin

The process of moulting is controlled by the nervous system and a hormone called.

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Aldosterone

Ecdysone

Oxytocin

Androgen

Etiolated plants grow without.

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Water

Light

O2

CO2

Which one of the following is not an unpaired bone.

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Mandible

Vomer

Nasal

Sphenoid

The largest part of brain is

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Cerebellum

Medulla

Cerebrum

Thallamus

Buoyancy in the water is maintained by a specialized structure in bony fish called

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Fins

Swim bladder

Tail

Both a & c

The most toxic substance routinely found in the blood are metabolities of what type of molecule?

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Proteins

Carbohydrates

Nucleic acids

Fats

Acute forms of arthritis usually result from

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Bacterial invasion

Viral inversion

fungal invasion

Severe injury

Each A band has a lighter stripe in its mid section called.

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A zone

H zone

M - Line

Z - Line

Each intervetebral disc is a cushion like pad composed of

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Nucleus pulposus

Annulus fibrosus

Stomium globosus

Both a & b

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