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1. The female gametophyte is produced in the:

a. Ovary d. Calyx

b. Anther e. Stigma

c. Filament

2. Flowers with three whorls of floral parts are: (Best answer)

a. Complete d. Incomplete

b. Perfect e. Two answers are correct

c. Imperfect

3. Seed develop from the:

a. Ovule d. Pollen

b. Ovary e. Anther

c. Sepal

4. An ovary located above the origin of other floral parts::

a. is very rare in plants

b. superior .

c. inferior

d. is not found in flowering plants

e. does not produce seed

5. Which of the following floral parts would you expect to be absent from wind pollinated plants?

a. Ovary d. Carpels

b. Stamens e. Pistil

c. Sepals

6. Which of the following floral parts is always absent from female flowers?

a. Petals d. Carpels or pistil

b. Stamens e. Calyx

c. Sepals

7. Pollen is produced in the:

a. Anthers d. Sepals

b. Stamens e. Stigmas

c. Carpels

8. The portion of the flower that contains the ovules:

a. Stamens d. Corolla

b. Anther e. Ovary

c. Calyx

9. The expanded flattened portion of the leaf is the:

a. Calyx d. Petiole

b. Blade e. Stipules

        c.     Stoma
10.   The stomatal pore is created by the activity of:
        a. petiole                       d. rachis

b. stipules e. None of these are correct

c. guard cells

11. If there are two leaves located at each node the arrangement pattern is:

a. opposite d. multiple

b. compound e. whorled

c. alternate

12. If a leaf is composed of several individual leaflets and the leaflets are arranged linearly along the rachis, it is:

pinnately compound
simple
multiple
palmately compound
pinnately multiple

13. This bud may produce leaves or lateral stem growth:

a. terminal d. leaf

b. basal or leaf e. None of these is correct

c. axillary or lateral

14. Which of the following venation patterns is characteristic of dicots?

a. dichotomous d. netted

b. parallel e. branched

c. complex

15. Whish of the following venation patterns is the most primitive?

a. dichotomous d. netted

b. parallel e. branched

c. pinnately netted

16. The region of the leaf that is most active in photosynthesis if it is present:

a. epidermis

b. bundle sheath

c. spongy mesophyll

d. palisade mesophyll

e. stoma

17. The ___________ functions for gas exchange in leaves and non-woody stems:

a. stomata d. epidermis

b. vein e. cuticle

b. petiole

18. Bulliform cells:
a. Are found only in dicots

b. Are most active in photosynthesis

c.       Allow the leaf to fold
d.   Are responsible for most gas exchange
e.   None of the above are correct.

19. The hypodermis:
a.    reduces water loss from some types of
      leaves.
b.    are most active in photosynthesis
c.    is found in pine and xerophytic leaves

d. replaces the epidermis
e. Two of the above are correct.

20. A bundle sheath is a jacket of cells

a.   that surround the vein
b. is very active in photosynthesis in some
     leaves
c.   that is found only in monocots

c.   that is always very small and
            nonfunctional
        e. Two of the above are correct.

21. The epidermis of leaves normally is coated with a waxy layer, the:

a. stomata d. cuticle

b. lignin e. hypodermis

c. resin

22. Which of the following leaf type is most adapted to aquatic conditions?

a. xerophytic d. hydrophytic

b. sun e. shade

mesophytic

23. Modified leaves that store water:

a. prickles d. thorns

b. floral e. succulent

tendrils

24. Which of the following does not have carnivorous leaves?

a. Venus fly trap

b.    Sundew
c.    Pitcher plant
d.    Bladderwort

All of the above are carnivorous

25. The abscission layer is found:

a. at the base of the flower
d. at the base of the petiole

c. in all dicot roots
d. in roots but not stems or leaves

In germinating seed

26. Plants whose leaves fall off at the end of the growing season are

a. partially evergreen.

b. conifers.

c. biennials.

d. deciduous.

e. dying.

27. Which of the following groups of fruits has a hard stony endocarp?

a. bananna

b. apples, pears
c. tomatoes, grapes
d. olives, peach
e. oranges, limes

28. An orange or grapefruit:

a. pome
b. hesperidium

c. berry

d. grain

e. pepo

29. The layer or region of a fruit:

a. endocarp.

b. pericarp.

c. exocarp.

d. mesocarp.

e. dermocarp

30. Pollen adheres to a sticky portion of the flower called the

a style.

b. carpel.

c. placenta.

d. anther.

e. none of the above is correct

31. Pressure that develops within a living cell as a result of water entering the cell is:

a. transporation

b. osmosis.

c. plasmolysis.
d. turgor.
e. water potential.

32. Osmosis is a special kind of diffusion in which water molecules

a. move across a selectively permeable membrane.

b. move from a region of higher concentration to a region of lower concentration.

c. exhibit random kinetic motion.

d. move through suberin.

e. both a and b are correct

33. If the concentration of solutes outside the plant cell is lower than the concentration on the inside, water will

a. move into the cell.

b. move in both directions equally.

c. move against a concentration gradient

d. move out of the cell.

none of the above

34. The aerobic phases of cellular respiration occurs in the:

a. cytoplasm d. mitochondria

b. ribosome e. lysosome

c. chloroplast

35. Glycolysis occurs in the:

a. matrix of the mitochondria

b. inner membrane of the mitochondria

c. stroma of the mitochondria

d. cytoplasm

e. mitochondria

36. Plants that complete their life cycle over many seasons:

a. perennials d. annuals

b. biperennials e. none is correct

c. biennials

37. This flower type has an inferior ovary
a. perigynous d. epigynous

b. plangynous e. two of these are correct

hypogynous

38. The outer most region of the fruit is the:

a. mesocarp d. pericarp

b. exocarp e. endocarp

epicarp

39. A dry fruit type that splits along two seams

a. legume d. pome

b. grain e. capsule

achene

40. Organisms that consume food from the environment:

a. heterotrophs d. consumers

b. decomposers e. autotrophs

carnivores

41. During cellular respiration glucose is broken down into:

a. carbon dioxide & water

b. hydrogen ions and oxygen

c. oxygen

d. glucose and oxygen

e. none of these

42. Alcoholic fermentation

a. is anaerobic d. produces 6 ATP

b. is aerobic e. two of these are correct

c. occurs in plants only

43. The raw materials for aerobic cellular respiration are:

a. water and oxygen d. carbon dioxide, and water

b. water and oxygen e. none of these

c. glucose and oxygen

44. The number of ATP required as activation energy for glycolysis is:

a. 1 d. 4

b. 2 e. 6

c. 3

45. A wasteful process in which oxygen competes with carbon dioxide for the active site on ribulose 1-5 bisphosphate carboxylase

resulting in a great reduction in photosynthetic efficiency is

a. cellular respiration

b. harmful to the

c. C-4 photosynthesis

d. photorespiration

e. two of these are correct

46. The electron carrier produced in the light dependent phase of photosynthesis is

a. NADH d. NADPH

b. FADH₂ e. ADP

c. ATP

47. The energy needed to drive the reactions of the light independent phase of photosynthesis (Calvin Cycle) is derived directly from

a. carbohydrate

b. ADP

c. ATP

d. light

e. none of these are correct

48. The region of the C-4 leaf that is most active in the completion of the Calvin cycle is the:

a. bundle sheath cells d. stomate

b. mesophyll e. none of the above

c. vascular bundle

49. The photosynthetic pigments are arranged into photosystems and are located in the ___________ of the chloroplast.

a. lumen d. stroma

b. matrix e. thylakoids

c. outer membrane

50. The light independent reactions of photosynthesis occur in the ___________ of the chloroplast.

a. lumen d. stroma

b. matrix e. thylakoid

c. outer membrane

51. A yellow to orange accessory pigment:

a. chlorophyll a

b. carotenoids

c. chlorophyll b

d. xanthids

e. all of these are yellow to orange.

52. The color of visible light that provides the greatest amount of energy for photosynthesis is:

a. green d. blue

b. violet e. yellow

c. red

BIOLOGY 1424 SAMPLE EXAM 2