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General Knowledge :: Biology

  1. Which of the following is an example of parasitism?

  2. A.

     Leeches consume blood of their host

    B.

     Ticks that live on dogs

    C.

     Aphid insects eat the sap of the host plant

    D.

     All of the above


  3. ________ is the interaction in which one species benefits and the other is neither harmed nor benefited.

  4. A.

     Predation

    B.

     Commensalism

    C.

     Competition

    D.

     Parasitism


  5. Consider the following statements
    1. Different plant species grow together
    2. Light cannot penetrate into the lower strata full of undergrowth
    Which of the following type of vegetation is characterized by the above?

  6. A.

     Equatorial moist evergreen

    B.

     Tropical deciduous

    C.

     Mediterranean

    D.

     Warm temperate broad leaved deciduous


  7. It is the branch of biology which deals with the study of relationship between organisms and their environment.

  8. A.

     Ecology

    B.

     Taxonomy

    C.

     Evolution

    D.

     Genetics


  9. Which of the following is responsible for Vermicomposting?

  10. A.

     Fungus

    B.

     Worms

    C.

     Bacteria

    D.

     Birds


  11. A living part of the organisms environment is known as

  12. A.

     Abiotic Factor

    B.

     Habitat

    C.

     Biotic Factor

    D.

     Nonliving factor


  13. Secondary consumers are eaten by larger

  14. A.

     Fast animal

    B.

     Animal in the third trophic level

    C.

     Herbivorous animal

    D.

     Predator


  15. Some of the conifers in our northern areas include

  16. A.

     Pines

    B.

     Abies

    C.

     Cedrus

    D.

     All of the above


  17. Which of these plants grow in an environment that is neither very wet nor very dry?

  18. A.

     Mesophytes

    B.

     Sporophyte

    C.

     Saprophytes

    D.

     Tracheophytes


  19. Which statement describes decomposers?

  20. A.

     Decomposers are insignificant organisms in the ecosystem and can be absent in some ecosystems

    B.

     Decomposers can produce their own source of energy and can sometimes act as primary producers

    C.

     Decomposers are those organisms that recycle matter in the ecosystem

    D.

     All the above