Question # 1

In the eighteenth century organisms were classified by

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Charles Darwin

Alfred Wallace

Carolus Linnaeus

J.B Lamarck

In 1882, chromosomes were first observed by.

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John Brown

T.H.Morgan

Walter fleming

Walther sutton

An association between two organisms by which both are benefited is called.

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Parasitism

commensalism

Mutualism

Predation

Triethylamine Oxide is produced in.

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Hag Fish

Bony fish

Marine fish

Cartilaginous fish

What are significant happening of meiosis.

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Crossing over

Random assortment of chromosome

Linkage

Crossing over and random assortment of chromosomes

Turgor pressure is generated by high osmotic pressure is plants cell

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Cytoplasm

Vacuole

Chloroplast

Mitochondria

Effective drug available for Parkinson's disease is.

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Nicotine

GDNF

AZT

L-dopa

The ultimate source of change is.

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Evolution

Mutation

Genetic drift

Migration

The base pairs in human genome are.

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Two billion

Three billion

Four billion

Five billion

Armadillos the armoured mammals live only in the

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Africa

America

Europe

Asia

Advantage of pecking orders is to:

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Avoids injury to the strong animals

Protect territory

Find suitable mate

Assign specific role to individual subordinates

Study of aging is called

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Teratology

Gerontology

Cell biology

Paleontology

In human beings, the homeostatic thermostat is present in a part of the brain called as.

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Thalamus

Hypothalamus

Hipocampus

Amygdala

Microtubules are composed of protein, tubulin and traces of.

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DNA

Glycolipid

RNA

Phospholipid

Oxytocin is secreted by the endocrine gland named:

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Pituitary gland

Thyroid gland

Parathyroid gland

Adrenal gland

Endosymbiont hypothesis was proposed by.

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Wallace

Lamarck

Lynn Margulis

Linnaeus

The concentrations of cell bodies of neuron are

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Ganglia

Dendrites

Axons

Nodules

In 1999,transgenic crops were planted world wide on more than

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20 millions areas

35 millions areas

70 millions areas

90 millions areas

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