Self Studies

Organisms and P...

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  • Question 1
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    What is the advantage of velamen over epiphytic plants?

  • Question 2
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    Which of the following is associated with the description of life-forms in plant communities?

  • Question 3
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    Which kind of interaction is shown by sea anemone and hermit crab?

  • Question 4
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    Which of the following are not true regarding hydrophytes?

    A. Stomata are sunken.
    B. Stem is slender and flexible.
    C. Emergent forms show heterophylly.
    D. Root system is either absent or poorly developed.
    E. They have thick cuticle, well-developed epidermis and hypodermis.

  • Question 5
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    Different types of population fluctuation are

    A. flat type
    B. cyclic type
    C. gradual type
    D. seasonal type
    E. annual type

  • Question 6
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    Match the following:

    Column I Column II
    A. Mesothermic i. Grow in a wide range of temperature, from 0 to 55°C
    B. Heliothermic ii. Live in a narrow range of temperature
    C. Eurythermic iii. Live in neither hot nor cold climates, as in tropical rain forests
    D. Stenothermic iv. Mostly grow in alpine regions

  • Question 7
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    In the case of saturated air, the column of air tends to be in stable equilibrium, when the prevailing lapse rate

  • Question 8
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    Recent human population growth is attributed to

    A. agricultural revolution
    B. genetic drift
    C. industrial revolution
    D. medical advances
    E. altruistic behaviour

  • Question 9
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    Which of the following biomes is incorrectly paired with the description of its climate?

  • Question 10
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    Biomes are defined by

    1. plant structures
    2. leaf types
    3. climate
    4. plant spacing

    Which of the above are true?

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