Question # 1

The sclerenchyma cells found in seed coats and nut shells are the

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Fibres

Vessels

Tracheids

scleriedes

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

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Saltatory impulse

synapse

Nerve impulse

synapsis

The hyphae of fungi are

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Phototactic

Chemotropic

Geotropic

Chemotactic

Muscle present in the gut wall are.

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Smooth

skeletal

Cardiac

Voluntary

In plants movement in response to stimulus of touch is called.

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Phototactie

Chemotatic

Thigmotopism

Nyctinasty

An increase in plant girth due to activity of cascara cambium is called.

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Primary growth

Secondary growth

Heart wood

Sap wood

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 type of Nastic movement ,which occurs in response to contact is called.

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Hyponastic

Photonasty

Nyctinasty

Thermonasty

Rapid movement of leaves of mimosa on touching is a example of.

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Turgor movement

Tropic movement

Nastic movement

Growth movement

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

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

In terrestrial plants major mechanical stress is imposed by.

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Gravity

Temperature

Wind

Soil

The disease caused due to destruction of adrenal cortex is.

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Cushing

Diabetes

Addison

Alzheimer

The word tropic is derived from greek word 'tropos' meaning.

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Sticky

Turn

Attractive

Growth

In human mid brain is

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Reduced

Enlarged

Swollen

Broken

The hormone which inhibits root growth is.

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auxins

gibberellins

Absclsic acid

Cytokinins

Hind brain includes the medulla pons and

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Cerebrum

Cerebellum

Thalamus

Amygdala

An animal that worms itself mainly by absorping from its surroundings is known as:

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Homoiotherm

Ectotherm

Endotherm

None of these

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Biology Fsc Part 2 Chapter 2 Online Test MCQs With Answers

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