Practice test

Plant morphology and physiology - Test Set 2

Review 20 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

20 questions

Questions and explanations

  1. Question 1

    An endobiotic fungus is:
    1. Agaricus
    2. Morchella
    3. Synchytrium
    4. Polyporus
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  2. Question 2

    'Globule' and 'Nucule' are found in:
    1. Oedogonium
    2. Rhizopus
    3. Calamites
    4. Chara
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  3. Question 3

    The nature of stele in primitive vascular plants was:
    1. Protostele
    2. Siphonostele
    3. Dictyostele
    4. Atactostele
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  4. Question 4

    An example of a modified underground stem is:
    1. Carrot
    2. Potato
    3. Groundnut
    4. Turnip
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  5. Question 5

    Which of the following is an aquatic fern?
    1. Adiantum
    2. Dryopteris
    3. Salvinia
    4. Equisetum
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  6. Question 6

    Cell becomes turgid because of:
    1. Plasmolysis
    2. Exosmosis
    3. Endosmosis
    4. Diffusion
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  7. Question 7

    If cells are kept in some solution and the net result its that the cell swells up, then the solution is:
    1. Hypertonic solution
    2. Isotonic solution
    3. Hypotonic solution
    4. Acidic solution
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  8. Question 8

    Which one of the following is active transport?
    1. It is the movement of a substance against a diffusion gradient with the use of energy from respiration
    2. It is the movement of a substance against a diffusion gradient without the use of energy
    3. It is the movement of a substance against a diffusion gradient with the use of energy from photosynthesis
    4. It is the movement of a substance along a diffusion gradient with the use of energy from respiration
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  9. Question 9

    Which of the following structure of a plant is responsible for transpiration?
    1. Xylem
    2. Root
    3. Stomata
    4. Bark
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  10. Question 10

    Transpiration increases in:
    1. Hot, dry and windy condition
    2. Hot, damp and windy condition
    3. Cool, damp and windy condition
    4. Cool, dry and still condition
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  11. Question 11

    The kidney-shaped guard cells are present in:
    1. Dicot plants
    2. Monocot plants
    3. Both (a) and (b)
    4. None
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  12. Question 12

    Dumb-bell shaped guard cells are present in:
    1. Groundnut
    2. Gram
    3. Wheat
    4. Mango
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  13. Question 13

    Stomatal opening is based on:
    1. Exosmosis
    2. Endosmosis
    3. Plasmolysis in guard cells
    4. Decrease in concentration of cell sap
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  14. Question 14

    The cells which are closely associated and interacting with guard cells are:
    1. Transfusion tissue
    2. Complementary cells
    3. Subsidiary cells
    4. Hypodermal cells
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  15. Question 15

    The special modified epidermal cells surrounding stomatal pore are called:
    1. Epithelial cells
    2. Guard cells
    3. Subsidiary cells
    4. Accessory cells
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  16. Question 16

    Translation through leaves is called as:
    1. Cauline transpiration
    2. Follar transpiration
    3. Cuticular transpiration
    4. Lenticular transpiration
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  17. Question 17

    Conversion of starch to sugar is essential for:
    1. Stomatal opening
    2. Stomatal closing
    3. Stomatal formation
    4. Stomatal growth
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  18. Question 18

    Which of the following structures of a plant is responsible for transpiration?
    1. Xylem
    2. Root
    3. Stomata
    4. Bark
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  19. Question 19

    Loss of water in plants in the form of liquid is known as:
    1. Transpiration
    2. Osmosis
    3. Guttation
    4. Imbibition
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  20. Question 20

    Water stomata are present in the:
    1. Veins
    2. Ventral surface of leaf
    3. Leaf margin
    4. Dorsal surface of leaf
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