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64

The graph above represents the growth pattern of an animal. Which of the following groups of animals shows this
pattern of growth?

  • A. Cestoda
  • B. Reptilia
  • C. Amphibia
  • D. Insecta
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65

The muscle cell fluid of an athlete was tested immediately after a 1 O m race and was found to contain a high
concentration of lactic acid. Explain what could have caused this. The

  • A. athlete must have eaten food containing lactic acid just before the race
  • B. Athlete must have injected lactic acid into his blood just before the race
  • C. athletes muscle must have carried out anaerobic respiration during the race
  • D. athlete must have inhaled lactic acid from the environment during the race
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66

Which of the following processes occurs in the second phase of meiosis?

  • A. Homologous chromosomes separate
  • B. Two daughtercells are formed
  • C. Fertilization occurs
  • D. Segregation of genes occurs
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67

In which of the following multicellular organisms is-interdependence of cells maintained?

  • A. Spirogyra
  • B. Volvox
  • C. Eudorina
  • D. Pandorina
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68

The disadvantage of complexity of organisation in the higher organisms is that it leads to

  • A. mutual interdependence between component cells
  • B. internal structural specialization
  • C. increased adaptation to environment
  • D. slower rate of diffusion of oxygen to individual cells
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69

The organism at the organ level of organisation of life is

  • A. Euglena
  • B. Spirogyra
  • C. Ginger
  • D. Tapeworm
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70

The epidermis of a leaf is considered an example of a tissue because the cells

  • A. allow sunlight to pass through.
  • B. are covered by a waxy cuticle
  • C. all possess a similar structure and function
  • D. allow water to enter them by osmosis
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71

The science of life is referred to as

  • A. anatomy
  • B. biology
  • C. ecology
  • D. phylogeny
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