Transpiration
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Preview (20 questions)Show answers
  • Question 1
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    Q. What is being produced during photosynthesis?
    answer choices
    sugar and oxygen
    sugar and carbon dioxide
    glucose
    gases
  • Question 2
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    Q. What gas is TAKEN IN during photosynthesis?
    answer choices
    argon
    nitrogen
    oxygen
    carbon dioxide
  • Question 3
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    Q. What gas is RELEASED during photosynthesis?
    answer choices
    carbon dioxide
    argon
    oxygen
    nitrogen
  • Question 4
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    Q.

    What is transpiration?

    answer choices

    Excess water being released from the aerial parts of plants in the form of water vapor

    Excess sugar being released from the leave

    The way a plant makes its food

    When the plant uses sugar for energy

  • Question 5
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    Q.

    Water transported from stems to leaves through what?

    answer choices

    xylem

    phloem

    stems

    roots

  • Question 6
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    Q.

    Which of the following indicates the pathway of water through a plant?

    answer choices

    root hair cell --> xylem --> Mesophyll --> substomatal space --> stomata

    substomatal space -- > stomata --> root hair cell --> xylem --> Mesophyll

    xylem --> stomata --> root hair cell --> Mesophyll --> Substomatal space

  • Question 7
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    Q.

    Select all of the environmental factors that would increase transpiration.

    answer choices

    Increased humidity

    Increased wind speed

    Increased temperature

    Decreased surface area

  • Question 8
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    Q.

    Which statement correctly identifies the substance and direction it is transported in the xylem?

    answer choices

    Water, only upwards

    Glucose, only upwards

    Water, up and down the plant

    Glucose, up and down the plant

  • Question 9
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    Q. Transpiration is
    answer choices
    the movement of water through a plant from the roots up the stem
    the loss of water from the leaves of a plant by the process of evaporation
    the flow of water into plant roots by osmosis from the soil
    the process of minerals and sugars moving through plant veins
  • Question 10
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    Q. Which feature would be most helpful to a plant in a desert?
    answer choices
    small leaves
    large seeds
    small roots
    smelly flowers
  • Question 11
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    Q. Cells that control the opening and closing of stomata
    answer choices
    Cuticle
    Guard cell
    Vascular tissue
    Stomata
  • Question 12
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    Q.

    Which is true?

    answer choices

    99% of water taken by the plant evaporates through transpiration

    9% of water taken by the plant evaporates through transpiration

    Evaporation through transpiration accounts only for 1% of all the water the plant takes in

    Evaporation through transpiration is minuscule

  • Question 13
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    Q.

    Stomata opens during night and closes during day

    answer choices

    True

    False

  • Question 14
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    Q.

    there are more no of stomata on

    answer choices

    Ventral side

    Dorsal side

  • Question 15
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    Q.

    Guttation is the loss of water through -

    answer choices

    Hydathodes

    Cuticle

    Stomata

    Lenticles

  • Question 16
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    Q.

    Factors which affect transpiration are (external)

    answer choices

    Sunlight

    Wind speed

    Humidity

    Rain

  • Question 17
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    Q.

    Adaptations in plant to reduce transpiration are -

    answer choices

    No of stomata

    Thickness of cuticle

    Loss of leaves

    All of the above

  • Question 18
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    Q.

    What is significance of transpiration

    answer choices

    Creates suction force

    Helps in distribution of water and nutrients

    Cooling effect for plants

    All of the above

  • Question 19
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    Q.

    The function of cobalt chloride paper is

    answer choices

    To change colour when exposed to sand

    To indicate moisture

    To change colour according to the acidity or basicity of substance .

  • Question 20
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    Q.

    More root hairs will lead to

    answer choices

    Less transpiration

    More transpiration

    Closure of stomata

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