Biodiversity MCQ Questions and Answers Quiz

21. The chromosome numbers vary from organism to organism. Dogs have 78 chromosomes and cats have 38. The different pairings of chromosomes outlines the blueprints, which are the source of

  1. diversity
  2. pigmentation
  3. heredity
  4. sexuality

22. Sexual reproduction is very advantageous because it provides lots of

  1. variation among the species
  2. energy for the species to survive
  3. identical organisms
  4. similar copies of the parent

23. Asexual reproduction is very advantageous because it provides lots of

  1. variation among the species
  2. energy for the species to survive
  3. identical organisms
  4. similar copies of the parent

24. Variations caused by interactions with the environment are not heritable. Plants that are grown in dim lighting conditions would turn out to be

  1. much like their parents
  2. very different from their parents
  3. identical to their parents in all aspects
  4. similar to parent plants that were grown in dim light

25. Some plants and animals can reproduce asexually and sexually. Alternating between these types of reproduction enables the organism to be

  1. much like their parents
  2. very different from their parents
  3. identical to their parents in all aspects
  4. identical to parent plants every other generation

26. The process that produces two new cells with the same number of chromosomes is called

  1. mitosis
  2. pollination
  3. meiosis
  4. fertilization

27. An albino kangaroo is a kangaroo that is pure white. This characteristic is classified as a

  1. continuous variation
  2. discrete variation
  3. non-inherited variation
  4. singular variation

28. Those characteristics or variations that have a wide range of forms are

  1. discrete
  2. overbearing
  3. obnoxious
  4. continuous

29. A group of organisms that have the same structure and can reproduce with one another are considered to be

  1. family
  2. genus
  3. order
  4. species

30. The pistil is made up of the following parts

  1. stamen, stigma, ovary
  2. anther, ovary, stigma
  3. ovary, filament, stigma
  4. stigma, style, ovary
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