Biology

22. During the Calvin-Benson cycle, in the red Columbine plant, high-energy electrons from NADPH are

 

 

 

transferred into a newly made 3-carbon compound. Eventually these electrons will end up as part of

 

 

 

glucose molecules. What was the original source of these electrons in photosynthesis?

 

 

 

 

A. NADP+ B. ATP C. oxygen D. water E. carbon dioxide

 

 

 

 

 

 

 

Name: ______________________ ID: A

 

 

 

 

 

 

 

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____ 23. Which color of light has the least important role in photosynthesis?

 

 

 

A. red B. green C. blue D. orange E. indigo

 

 

 

____ 24. Roots function in all of the following except

 

 

 

A. storage of food. B. production of food. C. anchorage and support of the plant. D. absorption

 

 

 

of water. E. absorption of minerals.

 

 

 

____ 25. The endodermis of a root

 

 

 

A. regulates the transport of water and minerals into the vascular system. B. produces root hairs for

 

 

 

the absorption of water and minerals. C. produces lateral roots in woody dicotyledons. D. transports

 

 

 

starch to parenchyma cells for storage. E. produces starch in the roots of dicotyledons.

 

 

 

____ 26. Which of the following is true regarding primary growth in a plant?

 

 

 

A. Primary growth increases the height of a plant. B. Primary growth results in woody tissue.

 

 

 

C. Primary growth arises from apical meristems. D. All the above are true. E. Only a and c are true.

 

 

 

____ 27. Which of the following statements regarding leaf structure and function is not true?

 

 

 

A. Most photosynthesis takes place in the palisade mesophyll. B. Most stomata are usually found on

 

 

 

the upper epidermis rather than the lower. C. The palisade mesophyll is more densely packed than the

 

 

 

spongy mesophyll. D. A waxy cuticle covers the epidermis of many leaves. E. The epidermis of

 

 

 

many leaves has associated trichomes.

 

 

 

____ 28. Which of the following is mismatched?

 

 

 

A. netted veination – dicotyledons B. vascular bundles distributed throughout the stem –

 

 

 

monocotyledons C. one cotyledon – monocotyledons D. floral parts in multiples of four or five –

 

 

 

dicotyledons E. true secondary growth – monocotyledons

 

 

 

____ 29. Which of the following dicotyledon root tissues/cells are in order from the outside of the root to the

 

 

 

inside?

 

 

 

A. epidermis, cortex, endodermis, pericycle, vascular tissue B. epidermis, cortex, pericycle,

 

 

 

endodermis, vascular tissue C. epidermis, cortex, pericycle, vascular tissue, endodermis D. epidermis,

 

 

 

cortex, endodermis, vascular tissue, pericycle E. epidermis, pericycle, cortex, endodermis, vascular

 

 

 

tissue

 

 

 

____ 30. The ancestor to all plants is believed to be

 

 

 

A. a green alga. B. a red alga. C. a brown alga, like kelp. D. a diatom. E. a sea grass.

 

 

 

____ 31. The tip of the stem (the shoot tip) contains the

 

 

 

A. apical meristem. B. lateral meristem. C. intercalary meristem D. lateral buds. E. endodermis.

 

 

 

____ 32. This type of tissue provides the primary support and strength in the shoot system.

 

 

 

A. dermal tissue B. epidermal tissue C. cortical tissue D. parenchyma E. vascular tissue

 

 

 

____ 33. Following fertilization, an ovary will develop into ____________, whereas an ovule will become

 

 

 

______________.

 

 

 

A. a. a fruit; a seed B. an embryo; a fruit C. a seed; an embryo D. a female gametophyte; a seed

 

 

 

E. a fruit; a female gametophyte

 

 

 

____ 34. Double fertilization occurs when

 

 

 

A. one sperm unites with an egg and another sperm unites with the central cell of the female

 

 

 

gametophyte. B. two sperm unite with one egg. C. two sperm unite with the central cell. D. one

 

 

 

sperm unites with the egg and another sperm unites with the male gametophyte. E. one sperm unites

 

 

 

with the egg and another sperm unites with a pollen grain.

 

 

 

 

 

Name: ______________________ ID: A

 

 

 

 

 

 

 

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____ 35. What part of a plant actually feeds the majority of people on earth?

 

 

 

A. root B. stem C. leaf D. endosperm E. meristem

 

 

 

____ 36. The period following dormancy of a seed is called

 

 

 

A. germination. B. abscission. C. guttation. D. scarification. E. desiccation.

 

 

 

____ 37. Which of the plant growth regulator(s) is actually a gas?

 

 

 

A. phytochrome B. ethylene C. abscisic acid D. cytokinins E. auxins

 

 

 

____ 38. This group of plant growth regulators are typically produced in the apical meristems of shoots, diffusing

 

 

 

downward to the roots.

 

 

 

A. gibberellins B. ethylene C. abscisic acid D. phytochrome E. auxins

 

 

 

____ 39. Water moves up a plant via

 

 

 

A. capillaries. B. phloem. C. xylem. D. stomates. E. panicles.

 

 

 

____ 40. What structure prevents water from moving between cells of the endodermis of the plant root?

 

 

 

A. Casparian strip B. Okazaki fragments C. sclerids D. collenchyma E. sclerenchyma

 

 

 

____ 41. Plants lose water primarily

 

 

 

A. by passing it out of the stomata. B. by evaporation from the surface of the epidermis. C. by

 

 

 

evaporation from the cuticle. D. by loss to the phloem. E. by translocation.

 

 

 

____ 42. What type of chemical bond allows for the unique characteristics of water (cohesion, adhesion, and

 

 

 

capillary action)?

 

 

 

A. ionic bonds B. covalent bonds C. hydrogen bonds D. oxide bonds E. James Bond

 

 

 

 

 

Matching

 

 

 

 

 

 

 

Match the following trait with the correct adaptive advantage.

 

 

 

A. increases the chances of pollination

 

 

 

B. protection from desiccation

 

 

 

C. decreases predation

 

 

 

D. increases gas exchange

 

 

 

E. allows movement of nutrients and water throughout plant

 

 

 

F. increases chance of wide dispersal of offspring

 

 

 

____ 43. Vascular systems

 

 

 

____ 44. Flowers

 

 

 

____ 45. Seeds and fruits

 

 

 

____ 46. Cuticles

 

 

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