Question # 1

Rough endoplasmic reticulum is the area in a cell where_______are synthesized.

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Saccharomyces

Proteins

Lipids

DNA

An example of organ is

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Neuron

electron

Carbon

Stomach

Who introduced Taxon of 'order' in classification?

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Caesalpino

John Ray

Tournefort

Rivinus

A hypothesis must be testable to be scientifically valid. Being testable means that:

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Some observations could prove that hypothesis is incorect

Only a controlled experiment can indicate whether the hypothesis is correct or incorrect

The hypothesis is proven wrong

The opposite of hypothesis is tested and proven worng

............... is an essential requirement of photosynthesis.

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CO2

H2O

O2

All

When fibrinogen makes blood clot,it separates from blood and the remainder is called:

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Plasma

Lymph

Serum

Puss

............ is loose, watery stools.

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Constipation

Diarrhea

Both

None

The _______is a major component of plant cell walls.

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Chitin

Peptidoglycan

Cellulose

Cholesterol

Lock and key model was proposed by ................. .

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Emil Fisher

Koshland

Freitz London

None

Important cause of species extinctions is:

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Habitat loss

Deforestaion

Over population

Both a and b

The reasons for deforestation are:

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Cities extension

Over population

Fuel purposes

All of the above

The branch of biology which deals with the study of Classification of organisms is called.

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Systematics

Cell Biology

Taxonomy

Physiology

There are ............. types of dietary fibers.

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One

Two

Three

Four

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