11 Jun What is produced by white blood cells and act to stimulate
Question
1. What is produced by white blood cells and act to stimulate other white blood
cells?
Select one:
a. Immunoglobulins
b. Histamines
c. Interferons
d. Interleukins
e. Complements 2. Which of the following is not a freshwater community?
Select one:
a. Streams
b. Lakes
c. Estuaries
d. Rivers
e. Ponds 3. The mycelium is a network of filaments called ________.
Select one:
a. a super-mycelium
b. a conidium
c. an ascospore
d. a basidiospore
e. a hypha 4. What part of the flower is used for catching pollen? Select one:
a. the filament
b. the anther
c. the stigma
d. the style
e. the ovary 5. Pollen is produced in the _______.
Select one:
a. stigma
b. anther
c. sepal
d. filament
e. style 6. Which of the following have a true coelom?
Select one:
a. Planarian
b. Fluke
c. Roundworm
d. Tapeworm
e. Mollusc 7. What two body systems control and regulate homeostasis in the human body?
Select one: a. Digestive and respiratory
b. Endocrine and reproductive
c. Nervous and endocrine
d. Lymphatic and muscular
e. Cardiovascular and nervous 8. All of the following statements are true about hormones except _________.
Select one:
a. Hormones are made by glands that have ducts
b. Hormones are secreted into the bloodstream
c. Hormones may be used at a far distance from where the hormone is made
d. Hormones have a slower effect than that mediated by the nervous system
e. Hormones bind to receptor sites at a target cell 9. __________ causes ocean currents to bring rich nutrients from the bottom of the
oceans to the surface.
Select one:
a. Upwelling
b. Bathypelagic up-currents
c. Mesopelagic up-currents
d. Ocean zone mixing
e. Abyssal flows 10. What is the path of inhaled air molecules?
Select one:
a. Nasal cavity, glottis, larynx, trachea, pharynx, bronchi, bronchioles, alveoli b. Nasal cavity, pharynx, larynx, glottis, trachea, bronchi, bronchioles, alveoli
c. Nasal cavity, pharynx, glottis, larynx, trachea, bronchi, bronchioles, alveoli
d. Nasal cavity, pharynx, glottis, larynx, trachea, bronchioles, bronchi, alveoli
e. Nasal cavity, pharynx, glottis, trachea, larynx, bronchi, bronchioles, alveoli 11. Which of the following is a form of active immunity?
Select one:
a. Antibodies from breast milk
b. A vaccination
c. Antibodies from the mother’s placenta
d. Antibiotics given by a doctor
e. An injection of gamma globulin 12. Collagen and elastic fibers are found in _________ tissue.
Select one:
a. Epithelial
b. Muscle
c. Nerve
d. Connective
e. Simple squamous
13. What could be a result of a drastic increase in global carbon dioxide levels?
Select one:
a. a bolide
b. continental drift
c. mass extinction d. an increase in biological diversity
e. plate subduction 14. All of the following are functions of the skeletal system except _________.
Select one:
a. The production of red blood cells
b. The storage of calcium
c. Protection
d. Movement
e. Receiving sensory input from the outside world 15. Which characteristic is not measured in taxonomic classification?
Select one:
a. extinction
b. structure
c. reproduction
d. behavior
e. molecular comparison 16. Which of the following taxonomic levels is the most inclusive?
Select one:
a. genus
b. class
c. species
d. order e. phylum 17. Which of the following statements is true of both the nervous system and the
endocrine system?
Select one:
a. They both use blood vessels
b. They both use a negative feedback mechanism
c. They both produce hormones
d. They both provide long-lasting responses
e. They both produce neurotransmitters 18. Why do trees not grow in the tundra?
Select one:
a. Land shifts from time to time
b. Land is too swampy
c. Air is too thin
d. Shrubs are too plentiful
e. Permafrost is always frozen 19. What is the most efficient way in which oxygen is transported in blood?
Select one:
a. Being dissolved in plasma
b. Chemical conversion to water
c. Combining with hemoglobin
d. Combining with carbon dioxide to form bicarbonate ions e. A free oxygen radical 20. Which of the following organisms have flame cells?
Select one:
a. Earthworms
b. Fish
c. Insects
d. Sharks
e. Planarians
21. Which group of animals made its first appearance on land during the Devonian?
Select one:
a. birds
b. mammals
c. reptiles
d. fish
e. amphibians 22. Which of these is NOT a density-dependent factor which controls population
size?
Select one:
a. Parasites
b. Competition
c. Fire
d. Predation
e. Disease 23. Which is not a characteristic of the earthworms?
Select one:
a. segmentation
b. complete digestive system
c. hermaphroditic
d. nephridia to remove waste
e. dorsal hollow nerve cord 24. Cells found in tissue that cause the surrounding capillaries to dilate are called
_______.
Select one:
a. Plasma cells
b. T cells
c. Mast cells
d. B cells
e. Eosinophils
25. What part of the brain controls the temperature in the body?
Select one:
a. Pituitary gland
b. Frontal lobe
c. Temporal lobe
d. Cerebellum
e. Hypothalamus 26. During what stage of embryonic development in plants do the cotyledons begin
to appear and rapid cell division takes place?
Select one:
a. globular
b. heart
c. mature
d. torpedo
e. proembryo 27. Which of the following is an example of homeostasis?
Select one:
a. Muscular tissue that is specialized to contract
b. The human body temperature is always maintained close to 37 C (98)6 F)
c. There is more red blood cells than white blood cells
d. An organism is limited in how high it can jump
e. Tendons connect muscle to bone 28. What is the small gap between neurons?
Select one:
a. Axon cleft
b. Synaptic cleft
c. Dendrite cleft
d. Neurotransmitter cleft
e. Myelin cleft 29. Which of the following genes is important in the development of limb buds? Select one:
a. Tbx5
b. Evo9
c. Pax6
d. Hox
e. Pax2 30. What type of skeleton would be found in arthropods and molluscs?
Select one:
a. An exoskeleton
b. A hydrostatic skeleton
c. An endoskeleton
d. A compound skeleton
e. A spongy skeleton 31. What is found in plant vascular tissue?
Select one:
a. cortex and suberin
b. xylem and phloem
c. epidermis and pith
d. cambium and cork
e. parenchyma and sclerenchyma 32. What could be seen in a cross section through the region of maturation of a
root?
Select one:
a. cells of the root cap b. the apical meristem
c. transport tissue
d. greatly elongated, undifferentiated cells
e. cells covered with a thick cuticle 33. What is true of a person’s respiratory efficiency if they lack the pigment
hemoglobin?
Select one:
a. There will not be any change in their efficiency
b. Their efficiency will increase and they will be able to carry more oxygen
c. Their efficiency will decrease because they cannot carry as much carbon dioxide
d. Their efficiency will increase because they will be able to carry more carbon
dioxide
e. Their efficiency will decrease because they will not be able to carry as much
oxygen)
34. Which of the following areas have the highest concentration of oxygen?
Select one:
a. Atmosphere
b. Trachea
c. Alveoli
d. Tissue cells
e. Blood 35. A malfunction of ________ would most likely be to blame for a condition where a
person has a bacterial infection within their cerebrospinal fluid.
Select one: a. Microglia
b. Astrocytes
c. Dendrites
d. Oligodendrocytes
e. Neuron 36. What part of the human brain is responsible for controlling homeostasis?
Select one:
a. The cerebrum
b. The thalamus
c. The pons
d. The pineal gland
e. The hypothalamus 37. To what phylum do humans belong?
Select one:
a. Echinoderms
b. Arthropods
c. Chordates
d. Cnidarians
e. Annelids 38. What is the correct path an excreted water molecule takes from the glomerulus
to the collecting duct?
Select one: a. Loop of the nephron, glomerular capsule, proximal convoluted tubule, distal
convoluted tubule
b. Glomerular capsule, proximal convoluted tubule, loop of the nephron, distal
convoluted tubule
c. Glomerular capsule, proximal convoluted tubule, loop of the nephron and distal
convoluted tubule
d. Proximal convoluted tubule, glomerular capsule, loop of the nephron, distal
convoluted tubule
e. Glomerular capsule, proximal convoluted tubule, distal convoluted tubule, loop of
the nephron
39. What are the factors that affect population size where the percentage of
individuals killed remains the same regardless of population size?
Select one:
a. Biotic-independent factors
b. Density-dependent factors
c. Density-independent factors
d. Logistical-dependent factors
e. Carrying capacity-dependent factors 40. What endocrine gland(s) is positioned on top of the kidneys in the abdominal
cavity?
Select one:
a. The pineal gland
b. The adrenal glands
c. The hypothalamus
d. The thyroid
e. The thymus gland 41. What substance can harden sclerenchyma cell walls?
Select one:
a. pith
b. lignin
c. cellulose
d. cuticle
e. xylem 42. What type of forest is found in a broad belt in Northern Eurasia and North
America, with cone-bearing trees?
Select one:
a. Desert
b. Temperate deciduous forest
c. Tropical rain forest
d. Taiga
e. Tundra 43. Which of the following statements describes zooplankton?
Select one:
a. all life in the oceanic ecosystem
b. organisms that feed on phytoplankton
c. includes all the organisms that animals feed on small organic matter that drifts to
the bottom of the ocean
d. free-drifting or mobile algae that form the base of the aquatic food chain
e. small organisms which are found riding on animals 44. An important step in the body’s second line of defense is to identify the
pathogen’s __________.
Select one:
a. Antibodies
b. Histamines
c. Antigens
d. Cytokines
e. Interferons 45. Which of the following is an example of a carnivorous plant?
Select one:
a. venus flytrap
b. pansy
c. horsetail
d. yellow trumpet plant
e. bladderworts 46. What type of neuron carries impulses away from the central nervous system to
a muscle or a gland?
Select one:
a. A visceral sensory fiber
b. An interneuron
c. An autonomic motor fiber
d. A somatic motor fiber
e. A somatic sensory fiber 47. Which of the following is not an adaptation of animals living in the arctic tundra? Select one:
a. Small mouse-like lemmings make tunnels and burrows under the snow or ground
b. The musk ox grows a thick coat to conserve heat
c. The chicken-like ptarmigan burrows in the snow during the storms
d. Polar bears change their fur coat color from white to brown (with the seasons)
e. Caribou and reindeer migrate to and from the tundra 48. What is a characteristic that allowed plants to move onto and adapt to dry land?
Select one:
a. the development of spores
b. sporophyte dominance
c. the development of a protected embryo
d. gametophyte dominance
e. the development of the flower 49. ____________ is the gas exchange between blood and the tissue fluid.
Select one:
a. Pulmonary respiration
b. External respiration
c. Cellular respiration
d. Internal respiration
e. Ventilation 50. You pick up a sponge, separate its cells, and place them in different areas. What
would the cells do?
Select one: a. reproduce sexually
b. die from being separated
c. form spicules in the pattern of the cloth
d. go back to primitive cells and soon differentiate
e. reassemble into a new organized sponge with each cell resuming its original job
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