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Quiz on AP Biology Semester 1, created by 22alexpereyra on 16/12/2014.

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AP Biology Semester 1

Question 1 of 32

1

A scientist chemically analyzes the plasma membrane of a cell. He determines that it is an animal cell because he finds that it contains

Select one of the following:

  • cholesterol molecules

  • phospholipids

  • proteins

  • cellulose

  • chitin

Explanation

Question 2 of 32

1

During interphase, chromosomes are not visible because

Select one of the following:

  • they condense and form circular bodies

  • they move into the cytoplasm and attach to ribosomes

  • they attach to the nuclear envelope

  • they move into the cytoplasm to form the endoplasmic reticulum

  • they unwind for replication and transcription

Explanation

Question 3 of 32

1

The plant cells responsible for increases in the length of roots are located in the

Select one of the following:

  • apical meristem

  • vascular cambium

  • cork cambium

  • secondary xylem

  • primary phloem

Explanation

Question 4 of 32

1

Natural selection occurs for all the following reasons except

Select one of the following:

  • resources are limited

  • traits are inherited

  • there is variation in traits among individuals in a population

  • individuals change in order to adapt

  • individuals compete for resources

Explanation

Question 5 of 32

1

In the hydrological cycle, plants transfer most of their water to the environment through

Select one of the following:

  • photosynthesis

  • respiration

  • dentrification

  • nitrification

  • transpiration

Explanation

Question 6 of 32

1

Asci, perithecia, and hyphae characterize which of the following groups?

Select one of the following:

  • algae

  • bacteria

  • cyanobacteria

  • slime molds

  • fungi

Explanation

Question 7 of 32

1

Which of the following correctly describes DNA polymerase activity?

Select one of the following:

  • It can operate in either the 3' -> 5' or 5' -> 3' direction.

  • It can initiate DNA replication.

  • It operates continuously without interruption on either DNA strand.

  • It can copy a mutation from the template strand to the replicate strand.

  • It requires no other enzymes to assemble DNA.

Explanation

Question 8 of 32

1

During photosynthesis, the pH inside the thylakoid

Select one of the following:

  • decreases as O2 enters the thylakoid

  • decreases as H+ accumulates inside the thylakoid from photolysis

  • only decreases in the dark

  • is always greater than the pH of the stroma

  • decreases as ATP is generated across the thylakoid membrane

Explanation

Question 9 of 32

1

Seeds are produced by all of the following except

Select one of the following:

  • ferns

  • angiosperms

  • gymnosperms

  • flowering plants

  • conifers

Explanation

Question 10 of 32

1

The Kreb cycle occurs

Select one of the following:

  • in the matrix

  • in the stroma

  • in the cytoplasm

  • between the crista membrane and the mitochondrial membrane

  • outside the thylakoids

Explanation

Question 11 of 32

1

Which of the following describes a correct order of events for the germination and early growth of a dicotyledon seedling?

Select one of the following:

  • cotyledon digestion->inhibition->root growth->shoot growth

  • inbibition-> cotyledon digestion->root growth->shoot growth

  • inbibition->root growth->shoot growth->cotyledon digestion

  • root growth->shoot growth->inbibition->cotyledon digestion

  • root growth->inbibition->shoot growth->cotyledon digestion

Explanation

Question 12 of 32

1

Compared to a person who is physically unfit, a person who is fit

Select one of the following:

  • pumps a smaller volume of blood with each heart beat

  • takes longer to reach a maximum heart rate

  • delivers the same amount of oxygen to the circulatory system with each heart beat

  • requires more oxygen for the same amount of muscle contraction

  • is more likely to skip heart beats

Explanation

Question 13 of 32

1

Both cyclic and noncyclic photophosphorylation

Select one of the following:

  • require H2O

  • generate NADP

  • generate oxygen

  • generate PGAL

  • generate ATP

Explanation

Question 14 of 32

1

All of the following reactions involve membrane transport by passive or active transport processes except the

Select one of the following:

  • large intestine

  • postsynaptic membranes of a neuron

  • loop of Henle

  • alveolus

  • urethra

Explanation

Question 15 of 32

1

Which of the following is a characteristic that differentiates the domains Archae and Bacteria? Of the two domains,

Select one of the following:

  • only members of Archaea have a nuclear envelope

  • only member of Archaea have a circular chromosome

  • only member of Bacteria have peptidoglycans in their cell walls

  • only members of Bacteria have membrane enclosed organelles

  • only members of Bacteria have plasma membranes with lipids

Explanation

Question 16 of 32

1

All of the following are true about energy in an ecosystem except

Select one of the following:

  • energy flows in one direction: from producers to primary consumers, to secondary consumers, to tertiary consumers

  • most of the energy transferred out of one trophic level is lost before passing into the next higher trophic level

  • the ultimate source of most energy entering an ecosystem is the sun

  • heat generated by organisms represents a loss of energy to the ecosystem

  • energy is recycled in an ecosystem

Explanation

Question 17 of 32

1

In the biogeochemical cycle for carbon, carbon passes from inorganic to organic form through the process of

Select one of the following:

  • ammonification

  • cellular respiration

  • decay

  • photosynthesis

  • transpiration

Explanation

Question 18 of 32

1

Growth that stops when an organism becomes an adult is called

Select one of the following:

  • asexual

  • heterotrophic

  • embryonic

  • determinant

  • eukaryotic

Explanation

Question 19 of 32

1

During which phase of the cell cycle do chromosomes replicate?

Select one of the following:

  • anaphase

  • telophase

  • metaphase

  • prophase

  • interphase

Explanation

Question 20 of 32

1

Which of the following processes produces pyruvate?

Select one of the following:

  • glycolysis

  • oxidative phosphorylation

  • Krebs cycle

  • alcohol fermentation

  • lactic acid fermentation

Explanation

Question 21 of 32

1

In which of the following areas of the brain do speech, conscious thinking, and control of skeletal muscles occur?

Select one of the following:

  • cerebellum

  • medulla oblongata

  • optic chiasma

  • corpus callosum

  • cerebral cortex

Explanation

Question 22 of 32

1

All of the following products form as a result of a condensation or dehydration reaction except

Select one of the following:

  • proteins

  • disaccharides

  • polysaccharides

  • steroids

  • triglycerides

Explanation

Question 23 of 32

1

Which of the following events is believed to be the earliest step toward the origin of a living cell?

Select one of the following:

  • the development of RNA like molecules with enzymatic functions

  • the appearance of oxygen in the atmosphere

  • the development of photosynthesis

  • the development of respiration

  • the development of DNA in protected pools of water

Explanation

Question 24 of 32

1

Cellular activities that occur during the G1, G2, and M checkpoints control whether or not subsequent phases of the cell cycle will be completed. These checkpoint activities do not control cell division in

Select one of the following:

  • fetal cells

  • liver cells

  • cancer cells

  • nerve cells

  • embryonic stem cells

Explanation

Question 25 of 32

1

A researcher is observing a cell through a microscope. She determines that it is a plant cell because she observes a

Select one of the following:

  • mitochondrion

  • lysosome

  • centriole

  • central vacuole

  • nucleus

Explanation

Question 26 of 32

1

Which of the following would most likely provide examples of meiotic cell divisions?

Select one of the following:

  • cross section of muscle tissue

  • cross section of an anther

  • longitudinal section of a shoot tip

  • endosperm of a dormant seed

  • cross section of a leaf

Explanation

Question 27 of 32

1

All of the following occur during photosynthesis except

Select one of the following:

  • light absorption occurs in the thylakoid membranes

  • oxygen is generated during photolysis

  • CO2 concentrates inside the thylakoid

  • ATP is generated as protons move from inside the thylakoid to the stroma

  • glucose is produced in the stroma

Explanation

Question 28 of 32

1

The amount of energy lost during the transfer from one trophic level of a pyramid of energy to the next higher trophic level is, on average, about

Select one of the following:

  • 90%

  • 75%

  • 60%

  • 50%

  • 25%

Explanation

Question 29 of 32

1

The structure of the seed and seedling that stores food for the embryo and seedling is called the

Select one of the following:

  • apical meristem

  • plumule

  • hypoctoyl

  • cotyledon

  • coleptile

Explanation

Question 30 of 32

1

All of the following provide evidence for the support of evolution except

Select one of the following:

  • Many shrubs in Southern California and South Africa possess thick, shiny leaves and are well adapted to fire, characteristics well suited to their Mediterranean type habit, yet the plants of Southern California and South Africa are not closely related

  • Closely related species share higher percentages of DNA than species more distantly related

  • Tails and gill arches appear during the development of human embryos

  • Whales do not have hind legs, but small, nonfunctional bones that resemble leg and foot bones are present

  • Acquired characteristics, such as the dwarf-like appearance in bonsai that results when trees are closely pruned, can be passed on to offspring

Explanation

Question 31 of 32

1

Which of the following process convert NADH to NAD+

Select one of the following:

  • glycolysis and Krebs cycle

  • glycolysis and alcohol fermentation

  • Krebs cycle and alcohol fermentatioin

  • alcohol fermentation, lactic acid fermentation, and oxidative phosphorylation

  • Krebs cycle and oxidative phosphorylation

Explanation

Question 32 of 32

1

When water evaporates form the surface of a pond, what happens to the remaining liquid water?

Select one of the following:

  • The surface water cools

  • The surface water warms

  • The surface water temperature remains unchanged

  • The amount of energy stored in water molecules remaining in the pond increases

  • The pH of the remaining water decreases

Explanation

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