A thousand ways to pass basic biology examination

61.An association between two organisms where both members benefit is known as ___
  • A. symbiosis
  • B. commensalism
  • C. ammensalism
  • D. mutualism
62.An instrument used in measuring the speed of wind is
  • A. a barometer
  • B. a wind gauge
  • C. a wind vane
  • D. an anemometer
63.At times hyenas feed on remains of animals killed by other animals. At other times, hyenas themselves kill animals for food. Therefore hyenas may best be described as ––
  • A. scavengers and herbivores
  • B. scavengers and parasites
  • C. scavengers and predators
  • D. herbivores and predators
64.Autecology is defined as the study of interrelationship of
  • A. many species of organisms and their environment
  • B. same species of organisms and their environment
  • C. organisms in the atmosphere.
  • D. organisms under the earth’s surface
65.Autotrophs are also described as ––
  • A. Consumers
  • B. Decomposers
  • C. Carnivores
  • D. Producers
66.If three 30cm lengths of glass tubing are tightly packed with clay, sand and loamy soils respectively and then stood in a beaker of water for one week the level of water will be
  • A. Lowest in the tube with clay
  • B. The same in all the tubes
  • C. Lowest in the tube with loamy soil
  • D. Lowest in the tube with sandy soil
67.In a community bacteria and fungi are referred to as ––
  • A. producers
  • B. consumers
  • C. scavengers
  • D. decomposers
68.Puddles, Ponds, Rivers, Seas and Oceans are grouped together as ––
  • A. Ecosystem
  • B. Biosphere
  • C. Aquatic habitat
  • D. Terrestrial habitat
69.The feeding pattern in an ecosystem is called…………..
  • A. Pyramid of energy
  • B. Food web
  • C. Food chain
  • D. Pyramid of member
70.The orderly changes that occur slowly and naturally in plant and animal communities in a given area over a period of time until a stable community is established is called ––
  • A. Transformational change
  • B. ecological succession
  • C. survival of the fittest
  • D. weather change
71.The sign + is used to indicate an association where an organism gains, while 0 is used where an organism is unaffected. An association indicated as +0 is known as ––
  • A. predation
  • B. commensalism
  • C. parasitism
  • D. competition
72.The sum total of all the roles an organism plays in a habitat is referred to as
  • A. ecology
  • B. ecosystem
  • C. habit.
  • D. niche
73.Which of the following factors does not control population growth?
  • A. Food shortage
  • B. Emigration
  • C. Predation
  • D. Abundance of food
74.Which of the following statements best describe an ecosystem?
  • A. A place where living organisms can live successfully
  • B. The interactions between living organism in a habitat and the non-living part of the environment
  • C. A biological association between a plant and an animal
  • D. A system of grouping organisms in a habitat
75.Which of these represents a correct food chain in nature?
  • A. Crustacea → diatom →fish → man
  • B. Diatom → crustacea → fish → man
  • C. Fish → crustacea → man → diatom
  • D. Diatom → fish → crustacea → man
76.___________ is involved in the mechanism of expelling water from the protozoans during the process of____________
  • A. Contractile vacuole, Osmoregulation
  • B. Contractile vacuole, Phagocytosis
  • C. Food vacuole, Ultrafilteration
  • D. Food vacuole, Pinocytosis
77.______________ is used for photosynthesis in Euglena sp.
  • A. Reservoir
  • B. Nucleus
  • C. Chloroplast
  • D. Paramylon granule
78.A heart with four chambers is found in______________
  • A. Fishes
  • B. Insects
  • C. Snails
  • D. Rats
79.Animal cell does not have a ____________
  • A. Membrane
  • B. Nucleolus
  • C. Food Vacuole
  • D. Cell wall
80.Beriberi is caused by deficiency of vitamin_____________
  • A. A
  • B. D
  • C. K
  • D. B