Practice test

Plant morphology and physiology - Test Set 1

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

    Which of the following is not a stimulant?
    1. Caffeine
    2. Barbiturates
    3. Cocaine
    4. Amphetamines
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  2. Question 2

    Flowers without petals are pollinated by:
    1. Bees
    2. Birds
    3. Butterflies
    4. Wind
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  3. Question 3

    Edible portion of coconut is the:
    1. Fruit wall
    2. Endosperm
    3. Cotyledon
    4. Embryo
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  4. Question 4

    From which part of Cinchona plant quinine is obtained?
    1. Seed
    2. Leaf
    3. Flower
    4. Bark
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  5. Question 5

    The vegetative body of a bryophyte / moss represents the structure of:
    1. Sporophyte
    2. Gametophyte
    3. Sporophyte or gametophyte
    4. Xerophyte
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  6. Question 6

    Presence of sunken stomata in leaves indicates the character of:
    1. Hydrophytes
    2. Xerophytes
    3. Halophytes
    4. Mesophytes
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  7. Question 7

    Name one rootless plant.
    1. Ceratophyllum
    2. Eichhornia
    3. Monochoria
    4. Pistia
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  8. Question 8

    Which one of the following is an endemic plant?
    1. Quercus Incana
    2. Eleusine Coracana
    3. Phoenix Paludosa
    4. Kydia Calycina
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  9. Question 9

    Which of the following is a terrestrial algae?
    1. Chlorella
    2. Terentepohlia
    3. Spirullina
    4. Sargassum
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  10. Question 10

    The presence of pneumatophore (breathing root) is found in:
    1. Mangrove plants
    2. Epiphytic plants
    3. Hydrophytic plants
    4. Insectivorous plants
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  11. Question 11

    The plant body is not differentiated into root, stem, and leaves in:
    1. Pteridophytes
    2. Angiosperms
    3. Gymnosperms
    4. Algae
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  12. Question 12

    In angiosperm, triple fusion is required for the formation of:
    1. Embryo
    2. Endosperm
    3. Suspensor
    4. Pericarp
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  13. Question 13

    Oil is obtained from the endosperm of:
    1. Groundnut
    2. Coconut
    3. Mustard
    4. Sesame
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  14. Question 14

    Clove is obtained from:
    1. Root
    2. Stem
    3. Leaf
    4. Flower bud
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  15. Question 15

    Which one of the following is not a true fruit?
    1. Date
    2. Plum
    3. Apple
    4. Grape
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  16. Question 16

    The identifying features of carrot roots are:
    1. Conical with small roots
    2. Conical without small roots
    3. Round with small roots
    4. Irregular with no small roots
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  17. Question 17

    Monocotyledonous plants show which of the following features?
    1. Leaf shows reticulate venation
    2. Tap root system
    3. Flowers are trimerous
    4. Perennial growth
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  18. Question 18

    Transfer of pollen from anther to the stigma of the same flower is referred to as:
    1. Allogamy
    2. Geitenogamy
    3. Xenogamy
    4. Autogamy
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  19. Question 19

    Gynobasic style is present in which family?
    1. Malvaceae
    2. Solanaceae
    3. Labiatae
    4. Orchidaceae
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  20. Question 20

    A short-day plant has a critical day length of 14 hours. It will flower when the day length is:
    1. 15 hours
    2. 18 hours
    3. 12 hours
    4. 16 hours
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