Question # 1

The remoras benefit from this relationship the shark is not affected at all

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Symbiosis

Mycorrhiza

Commensalism

Mutualism

the active uptake of sodium in the loop of Henle is provided by the actioon of hormone

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Cortisone

Testosterone

Aldosterone

Progesterone

An essay on the principle of population was published by

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Darwin

Wallace

Malthus

Linnaens

Herbaceous stage in xerosere is the

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First stage

Third stage

Fourth stage

Last stage

At the time of independence in 1947 the population of pakistan was

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10 m

20 m

25.7 m

32.5 m

Water used for industrial purposes is about

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9%

90%

70%

50%

Which light enhance cell division and retards cell enlargment.

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Red

Green

Blue

Violet

Book "The origin of species" was written by.

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Linnaeus

Darwin

Wallace

Lamark

The shell, over chick egg is secreted as it passes through.

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Ovary

Oviduct

Uterus

Cloaca

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

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Fibres

Vessels

Tracheids

scleriedes

The negative physiological changes in our body are said to be

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Maturation

Childhood

Agning

Displacement

_______ regulates the kidney's retention of water.

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Prolactin

Oxytocin

Thyroxin

Vasopressin (ADN)

Mammalian kidney including human is adapted to conserve water by over

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20.5%

50%

99.5%

70%

CNS is composed of

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Sensory neuron

Associative neuron

Dendrites

Motor neuron

Each bivalent consists of four.

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Chromosomes

Chromatids

spores

Chiasmata

Limetic phytoplankton include the.

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Bacteria

Cyanobacteria

Fishes

Mouses

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

A monochromat can perceive

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Three colours

Yellow colours

Only ane colour

Two colours

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