Question # 1

Which neurons have long axon.

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Sensory

Motor

Cell body

Associateive

Which of the following is the most fragile ecosystem.

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Grass land

Wood land

Tundra

Savanna

Clear cytoplasm produces

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Larval epidermis

Muscle cells

Gut

Neural tube

In terrestrial plants major mechanical stress is imposed by.

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Gravity

Temperature

Wind

Soil

The productivity of aquatic ecosystem is determined by light and

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CO2

Temperature

Nutrients

Water

The internal hydrostatic pressure in plants is.

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Root

Turgor

Osmotic

Solute

Clear cytoplasm, in an ascidian zygote produces.

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Muscle

Gut

Notochord and neural tube

Larval epidermis

The wall of trachea(windpipe) and bronchi of man is fernished with a series of incomplete:

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Cartilagenous plates

Chitinous rings

Cartilaginous rings

Muscular rings

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

The arctic tundra stretches acroos Northern North America, Northern Europe and.

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cyprus

Siberia

Morocco

Nepal

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

A pair of kidneys, consist of millions of functional units called.

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Nephrons

Dendrons

Neurons

Flatrons

ABO blood group system was discovered by

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Karn Ladsteiner

Bernstein

Correns

T.H.morgans

The position of gene one chromosome is called. its.

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Allele

Phenotype

Locus

Genotype

Each type of the principal type of sensation that we can experience e.g pain touch sight sound and so for this called a modality of

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Regulation

Susceptibility

Coordination

Sensation

Selective weed killer

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2-4 D

I AA

NAA

IPA

The amount of energy left plants have met their respiratory needs is net eprimary production , which shows up as plant:

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Respiration rate

Photosynthesis

Biomass

Food reserve

Jean Baptiste Lamarck published his theory of evolution in

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1757

1809

1859

1945

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