• 1. 
    What is the history of the evolution of a species or group?

  • relativity
  • genetics
  • phylogeny
  • biology
  • 2. 
    A squid and an octopus are both cephalopods with eight arms, but how is a squid different from an octopus?

  • a squid has a shell
  • a squid has only six arms instead of eight
  • a squid has two long tentacles in addition to the eight arms
  • a squid has no mouth
  • 3. 
    Embryos grow into the shape of a complete organism via the differentiation of cells, tissues, and organs. What is this process called?

  • teratogenesis
  • morphogenesis
  • embryogenesis
  • orthogenesis
  • 4. 
    Which American biologist and geneticist deduced that the sex of an individual is determined by a particular chromosome?

  • Theodor Schwann
  • A.D. Hershey
  • Nettie Maria Stevens
  • Daniel Mazia
  • 5. 
    What is another name for the so-called sea wasp, which can be extremely dangerous to humans?

  • box jellyfish
  • dragonfish
  • stingray
  • cuttlefish
  • 6. 
    The name of which life-form is derived from the Latin word for “mushroom” but also applies to yeast and mold?

  • protozoan
  • fungus
  • virus
  • alga
  • 7. 
    What are produced in response to foreign substances called antigens?

  • antiglobulin
  • toxins
  • antibodies
  • lymphocytes
  • 8. 
    A voyage on which ship inspired Darwin to write On the Origin of Species by Means of Natural Selection (1859)?

  • HMS Terrier
  • HMS Beagle
  • HMS Poodle
  • HMS Spaniel
  • 9. 
    What is a sea cucumber?

  • a marine invertebrate
  • a type of vegetable
  • a seaweed
  • a fish
  • 10. 
    What special ability sets geckos apart from other lizards?

  • they can grab branches with their tail
  • they can hold their breath for hours
  • they can puff themselves up to three times their normal size
  • they can run across ceilings
  • 11. 
    Chlorella algae has been studied as a food source because it is rich in which nutrients?

  • carbohydrates
  • vitamin D
  • proteins
  • fats
  • 12. 
    Which lizard jumps into water to escape predators?

  • gecko
  • anole
  • iguana
  • chameleon
  • 13. 
    What is the largest geographic biotic unit?

  • region
  • taxon
  • biome
  • biota
  • 14. 
    Which continent are the only two species of venomous lizards found on?

  • South America
  • North America
  • Africa
  • Australia
  • 15. 
    What substance acts as a catalyst for biological reactions in living organisms?

  • enzyme
  • DNA
  • insulin
  • RNA
  • 16. 
    Who proved that contamination with microorganisms, rather than mere exposure to air, is responsible for food spoilage and disease?

  • Maud Leonora Menten
  • Mary Anning
  • Francesco Redi
  • Louis Pasteur
  • 17. 
    In which biological laboratory technique are fragments of tissue from an animal or plant transferred to an artificial environment where they can continue to survive and function?

  • cytoplasmic streaming
  • cytogenesis
  • fermentation
  • tissue culture
  • 18. 
    Which group of organisms shares certain morphological and physiological characteristics with animals, plants, or both?

  • jellyfishes
  • monerans
  • protists
  • mollusks
  • 19. 
    What term is given to the emission of light by living organisms such as a fireflies or bacteria?

  • photoluminescence
  • electroluminescence
  • radioluminescence
  • bioluminescence
  • 20. 
    What is a cowrie?

  • a species of sponge
  • a flower
  • a small cow
  • a marine snail
  • 21. 
    How many pairs of chromosomes are found in the human body?

  • 18 pairs
  • 23 pairs
  • 21 pairs
  • 28 pairs
  • 22. 
    Some flagellates are animal-like and some are plantlike, but all belong to which group of organisms?

  • fungi
  • viruses
  • protozoans
  • bacteria
  • 23. 
    What is the maintenance of a relatively constant internal environment known as?

  • homing instinct
  • thermofibrillation
  • osteopathy
  • homeostasis
  • 24. 
    People get sick from eating salmonella, but what is it?

  • bacteria
  • an insect
  • an industrial chemical
  • a fish
  • 25. 
    What are the building blocks of proteins?

  • carbohydrates
  • enzymes
  • nucleic acids
  • amino acids
  • 26. 
    A scientist comparing the shape of a whale’s flippers to a fish’s fins is engaged in the same specialized branch of biology as the scientist comparing the wings of birds to the wings of bats. What is the name of this biological specialty?

  • histology
  • morphology
  • ethology
  • cytology
  • 27. 
    Plankton is the name given to all the organisms in water that exist in a drifting, floating state. What type of plankton is the primary food source, either directly or indirectly, of all sea organisms?

  • holoplankton
  • phytoplankton
  • megaplankton
  • zooplankton
  • 28. 
    Which of these amino acids, first isolated from gelatin, is the simplest?

  • tyrosine
  • tryptophan
  • glycine
  • alanine
  • 29. 
    Which American biologist popularized sociobiology, the study of the genetic basis of the social behaviour of all animals, including humans?

  • Rachel Carson
  • Jacques Loeb
  • Carl Richard Moore
  • Edward O. Wilson
  • 30. 
    What is the name of the dormant state in which an animal’s body temperature decreases and heartbeat and breathing rate slow down?

  • hidrosis
  • adolescence
  • sleep apnea
  • hibernation
  • 31. 
    Which of these crabs is largest?

  • hermit crab
  • Tasmanian crab
  • robber crab
  • Alaskan king crab
  • 32. 
    Which do not reproduce via parthenogenesis (reproduction without fertilization)?

  • water fleas
  • butterflies
  • honeybees
  • aphids
  • 33. 
    What is another name for harvestmen, a group of arachnids that look like spiders but are not?

  • daddy longlegs
  • praying mantids
  • fiddler crabs
  • whiptail scorpions
  • 34. 
    Which animal is a carnivorous scavenger?

  • gaur
  • dolphin
  • hyena
  • elephant
  • 35. 
    What is a state of lowered body temperature and depressed metabolic activity that hummingbirds and some insects, reptiles, and mammals enter?

  • mitosis
  • senescence
  • torpor
  • metamorphosis
  • 36. 
    Which vitamin is water-soluble as opposed to fat-soluble?

  • vitamin D
  • vitamin A
  • vitamin E
  • vitamin C
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