Practice test

Plant morphology and physiology - Test Set 3

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

    In which one of the following physiological processes, excess water escapes in the form of droplets from a plant?
    1. Transpiration
    2. Guttation
    3. Secretion
    4. Excretion
    View explanation

    Sign In to See Explanations. Sign Up Here

  2. Question 2

    Which of the following transports water from the roots of the plant to its leaves?
    1. Xylem
    2. Phloem
    3. Both xylem and phloem
    4. Cortex
    View explanation

    Sign In to See Explanations. Sign Up Here

  3. Question 3

    Translocation of water is:
    1. Apoplastic
    2. Symplastic
    3. Both (a) and (b)
    4. None of these
    View explanation

    Sign In to See Explanations. Sign Up Here

  4. Question 4

    The ultimate cause of water movement in a plant stem against gravity is:
    1. Osmosis
    2. Transpiration
    3. Photosynthesis
    4. Diffusion
    View explanation

    Sign In to See Explanations. Sign Up Here

  5. Question 5

    Which of the following is responsible for transport of food and other substances in plants?
    1. Xylem
    2. Phloem
    3. Chloroplast
    4. None of these
    View explanation

    Sign In to See Explanations. Sign Up Here

  6. Question 6

    Which of the following statements about phloem transport is correct?
    1. Phloem transport occurs unidirectionally
    2. Gravity influences phloem transport
    3. Ca+ is the most abundant cation in phloem sap
    4. Sugar is transported in phloem as non-reducing sugar
    View explanation

    Sign In to See Explanations. Sign Up Here

  7. Question 7

    Chlorophyll was first isolated and named by:
    1. Caventou
    2. Pelletier
    3. Chlorophyll
    4. Caventou and Pelletier
    View explanation

    Sign In to See Explanations. Sign Up Here

  8. Question 8

    The first stable product of photosynthesis is:
    1. Starch
    2. Sucrose
    3. Phosphoglyceric acid
    4. Glucose
    View explanation

    Sign In to See Explanations. Sign Up Here

  9. Question 9

    The process through which excess of light energy is dissipated in photosynthesis is known as
    1. Scavenging
    2. Photolysis
    3. Photophosphorylation
    4. Quenching
    View explanation

    Sign In to See Explanations. Sign Up Here

  10. Question 10

    Photosynthesis takes place in the presence of chlorophyll and water:
    1. Water
    2. Nutrients
    3. Carbon-dioxide
    4. Sunlight
    View explanation

    Sign In to See Explanations. Sign Up Here

  11. Question 11

    ……… is the study of the physical form and external structure of plants.
    1. Physiology
    2. Anatomy
    3. Phytomorphology
    4. Cytology
    View explanation

    Sign In to See Explanations. Sign Up Here

  12. Question 12

    What is a pepper plant?
    1. Bush
    2. Shrub
    3. Vine
    4. Tree
    View explanation

    Sign In to See Explanations. Sign Up Here

  13. Question 13

    Which type of plants have weak stems and take support on neighbouring structures to climb up?
    1. Shrubs
    2. Climbers
    3. Trees
    4. Herbs
    View explanation

    Sign In to See Explanations. Sign Up Here

  14. Question 14

    Which of the following is/are the main absorbing organ/organs of plants?
    1. Root only
    2. Leaf only
    3. Root and leaf only
    4. Root, leaf and bark
    View explanation

    Sign In to See Explanations. Sign Up Here

  15. Question 15

    Which part of plant conducts water in plants?
    1. Leaves
    2. Fruits
    3. Flowers
    4. Stem
    View explanation

    Sign In to See Explanations. Sign Up Here

  16. Question 16

    Onion is an example of bulb, which is a modified ………
    1. Stem
    2. Root
    3. Leaf
    4. Flower
    View explanation

    Sign In to See Explanations. Sign Up Here

  17. Question 17

    Which of the following is not a stem modification?
    1. Bulb of onion
    2. Corn of arvi
    3. Tuber of sweet potato
    4. Tuber of potato
    View explanation

    Sign In to See Explanations. Sign Up Here

  18. Question 18

    Which one of the following parts of potato is edible?
    1. Stem
    2. Seed
    3. Root
    4. Fruit
    View explanation

    Sign In to See Explanations. Sign Up Here

  19. Question 19

    A plant bud is:
    1. An embryonic shoot
    2. An embryonic leaf
    3. An endosperm
    4. A seed
    View explanation

    Sign In to See Explanations. Sign Up Here

  20. Question 20

    Which of the following is incorrect?
    1. Ginger — Modified stem
    2. Turmeric — Rhizome
    3. Onion — Modified root
    4. Clove — Flower bud
    View explanation

    Sign In to See Explanations. Sign Up Here