PENN FOSTER INTRODUCTION TO

PENN FOSTER INTRODUCTION TO

BIOLOGY PROCTORED REAL ACTUAL

EXAM WITH REAL QUESTIONS

AND WELL VERIFIED CORRECT

ANSWERS ||ALREADY GRADED A+ ||

PENN FOSTER INTRO TO BIOLOGY

LATEST VERSION -

An insect is able to walk across the surface of a pond without sinking because of

the: - ANSWER-Surface tension of the water

How does mitosis in plant cells differ from that in animal cells? - ANSWER- Animals lack a cell plate and plant cells lack centrioles

Binomial name given to an organism is composed of: - ANSWER-Genus, Species

Crossing-over involves the exchange of genetic information between: - ANSWER-

Nonsister chromatids

Nucleic acids are composed of monomers called: - ANSWER-Nucleotides

The tail bones of humans are an example of ___ structure. - ANSWER-Vestigial 1 / 3

According to the theory of evolution, birds’ feathers evolved from: - ANSWER-

Reptile Scales

What organisms can live in hot springs and thermal vents? - ANSWER-Archaea

During the life cycle of a plant, gametophyte is to n as sporophyte is to: -

ANSWER-2n

Darwin argued that the beak size and shape of Galapagos Finch species was related

to their: - ANSWER-Food source

Which of the following is NOT an example of a service provided by beneficial bacteria?

• Food production
• Nutrient Cycling
• Bioaccumulation
• Bioremediation - ANSWER-Bioaccumulation

The most diverse and prevalent organisms on earth are: - ANSWER-Bacteria

Angiosperms may use any of the following to disperse pollen except: - ANSWER-

Water

What type of reproduction shuffles the genes? - ANSWER-Sexual

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How many cotyledons would be found in a flowering plant with 9 petals on each flower and long leaves with parallel leaf veins? - ANSWER-One

What does electronegativity mean? - ANSWER-Affinity for electrons in a covalent bond

If you immerse a living cell in a hypertonic solution, water will: - ANSWER-Move out of the cell

___ chromosomes are found in pairs, one from father and mother - ANSWER- Homologous

___ is the name for all the chemical processes in the cell. - ANSWER-Metabolism

What does a receptor protein do? - ANSWER-Allows a specific molecule to bind to it because of its shape

___ are modifications that make organisms suited to their way of life. - ANSWER- Adaptations

During exponential growth, the rate of growth: - ANSWER-Starts slowly then

accelerates

___ is the science of observing and describing organisms in their environment

paired with experimental science: - ANSWER-Ecology

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