Biology Final Exam

What is the source of the electrons that replace the excited electrons lost from chlorophyll? A) NADPH B) water C) CO2 D) light E) glucose

B) water

One plant species flowers in the spring, whereas a different plant species flowers in the summer. This is a type of ------- isolation. A)behavioral B)temporal C)habitat D)mechanical E) post -zygotic barrier

B)temporal

ATP synthese produces A) water B) electrons C) ATP D) glucose E) carbon dioxide

C) ATP

In what product is the light energy stored in photosynthesis? A) oxygen B) carbon dioxide C) glucose D) proteins E) water

C) glucose

Which of the following is one the products of photosythesis in plants? A) water B) chlorophyll C) glucose D) carbon dioxide E) sodium

C) glucose

The stoma allow-----to exit the leaf and ------to enter it. A)glucose...water B)carbon dioxide ...oxygen C)oxygen ... carbon dioxide D) oxygen...water E)glucose..carbon dioxide

C) oxygen ... carbon dioxide

According to the biological species concept definition of a species, what characteristics do individuals belonging to the same species share? A) occur in one geographic area B) phenotypic uniformity C) reproduce under natural conditions D) are clones of one another

C) reproduce under natural conditions

Which of the following is the definition of biogeography? A) the investigation of prehistoric life B) the examination of Earth's physical composition C) the study of species distributions across the planet D) the analysis of continental movements

C) the study of species distributions across the planet

sugar (glucose) is produced

Calvin cycle

Embryology

the study of development of the anatomy of an organism to its adult form also provides evidence of relatedness between now widely divergent groups of organisms.

requires water

light reactions

In an exergonic reaction, energy is A) required as an input B) released C) consumed D) not relevant

B) released

location of the calvin cycle

stroma

The __________ the wavelength, the __________ the energy. A) longer...greater B) shorter...greater C) shorter... lower

B) shorter...greater

Which of the following statements regarding potential energy is true? -The potential energy of an object cannot be determined. -An object in motion only have potential energy, but not kinetic energy. -Potential energy is the energy that an object has based on its position. -Potential energy cannot be stored and is immediately converted to kinetic energy.

-Potential energy is the energy that an object has based on its position.

Arrange the events of the light -dependent reactions of photosynthesis in the order that they occur

1. light energy excites electrons in chlorophyll molecules 2. excited elections leave the chlorophyll molecules and move towards an electron transport chain. 3. hydrogen ions are pumped into the thylakoid space as electrons move down the electron transport chain 4. hydrogen ions flow through ATP synthase to genereate ATP

Why do most plant leaves appear green? A) Chlorophyll pigments in plant cells reflect green wavelengths of light. B) Xanthophyll pigments in plant cells reflect yellow wavelengths of light. C) Carotenoid pigments in some plant organelles reflect green wavelengths of light. D) Pigments in plant cells absorb green wavelengths from the visible spectrum of light.

A) Chlorophyll pigments in plant cells reflect green wavelengths of light.

In which phase of the calvin cycle are the carbon atoms from carbon dioxide intially incorported into an organic molecule? A) carbon fixation B) regenration of RuBP C) light dependent reactions D) reduction

A) carbon fixation

due to the electron transport chain, H+ ions are the highest in which area? A) thylakoid space B) stroma

A) thylakoid space

What provides the energy that excites the electrons in the chlorophyll molecules? A) NADPH B) light C) carbon dioxide D) water E) glucose

B) light

What does the first law of thermodynamics state about energy? A) Energy is constantly being created to replace energy that has been lost. B) Energy cannot be either created or destroyed, but it can be transformed. C) Energy is stored in objects, an is increased when the objects are in motion. D) Energy disappears each time it is transformed until it all ceases to exist.

B) Energy cannot be either created or destroyed, but it can be transformed.

Which of the light following is reduced in photosynthesis? A) light B) carbon dioxide C) oxygen D) water E) stroma

B) carbon dioxide

A post-anal tail is present in human embryos for a period of 4 weeks but disappears during fetal development. This provides evidence of common ancestry and evolution from which field? A) comparative anatomy B) comparative embryology C) biogeography D) molecular biology E) fossil record

B) comparative embryology

Photosynthesis is an example of an ------ reaction. A) exergonic B) endergonic

B) endergonic

Which of the following is incorrect? A) Light bulbs transform electrical energy into light and heat B) Gas stove transformation chemical energy from natural gas into heat C) You can convert chemical energy into kinetic energy D) Cellular respiration directly converts sunlight energy into chemical energy E) Plants convert sunlight energy into chemical energy

D) Cellular respiration directly converts sunlight energy into chemical energy

A vestigial structure is A) a physical structure that benefits an organism in its current environment B) an adaptive structure present in two otherwise unrelated species C) a physical characteristic currently preferred by the opposite sex of the same species D) an ancestral structure in an organism that no longer serves an adaptive purpose

D) an ancestral structure in an organism that no longer serves an adaptive purpose

Which of the following class examples started with chemical energy? A) ball bouncing only B) sparker only C) physical activity only D) both sparker and physical activity E) both physical activity and ball bouncing

D) both sparker and physical activity

which of the following describes the calvin cycle? A) uses sunlight energy B) produces ATP C) creates a gradient for hydrogen ions D) converts carbon dioxide to simple sugars E) occurs in the thylakiod membrane

D) converts carbon dioxide to simple sugars

Which of the following is oxidized in cellular respiration? A) light B) carbon dioxide C) oxygen D) glucose E) stroma

D) glucose

The fossil record example described in the reading assignment is A) lungfishes in South America B) vascular plants in North America C) marsupials in Australia D) horses in North America E) primates in Africa

D) horses in North America

Genome analyses reveal that humans and chimpanzees share more genome similarities than either shares with gorillas or other primates. This provides evidence of common ancestry and evolution from which field? A) comparative anatomy B) comparative embryology C)biogeography D) molecular biology E) fossil record

D) molecular biology

Choose the best description of kinetic energy? A) the stored energy in an object B) heat that is lost or gained in a reaction C) energy that spontaneously becomes more ordered D) the energy an object has due to its motion

D) the energy an object has due to it motion

Compare the combustion reaction used to run the engine of a gas-powered vehicle and an animal cells using cellular respiration to power biological processes. Select the statements that are true for both reactions. A)Energy is released. B)An organic compound is a reactant. C)Carbon dioxide is a product. D)all of the above

D)all of the above

Snails with left-coiling shells are unable to mate with snails that have right -coiling shells. This is a type of ----------- isolation. A)behavioral B)temporal C) habitat D)mechanical E) post -zygotic barrier

D)mechanical

Which of the following is true of fossils? A) They provide evidence that organisms from the past are not the same as those found today. B) Some organisms are more likely to form fossils than others/ C) Fossils show a progression of evolution. D) Scientists can determine the age of fossils. E) All of the above

E) All of the above

Which of the following molecules is one of the reactants in photosynthesis in plants? A) mitochondria B) chlorophyll C) oxygen D) carbonhydrates E) carbon dioxide

E) carbon dioxide

A granum is a stack of ________. A) chloroplasts B) calvin cycles C) stoma D) glucose molecules E) thylakoids

E) thylakoids

What is allopatric speciation? A)the divergence of two species from a common ancestor while in the same geographical location B) prevention of gene flow between two populations due to physical or behavioral barriers C) evolution of analogous structure not present in the last common ancestor of two speices D)two species that are capable of producing viable hybrids through interbreeding E) two species diverging from a common ancestor due to geographical isolation

E)two species diverging from a common ancestor due to geographical isolation

NADPH is produced

Light reactions

light energy is captured using chlorophyll

Light reactions

oxygen gas is produced

Light reactions

In cellular respiration the _____________ have less energy than the _____________. Products...reactants Enzymes...reactants Products...enzymes Enzymes...products Reactants...products

Products...ractants

uses carbon dioxide

calvin cyle

Using ATP to produce ADP and a phosphate group is an example of a(n) ____________ reaction. exergonic endergonic

exergonic

Sugar is produced

stoma

ATP is produced

thylakoid membrane

requires light

thylakoid membrane