🌿 Morphology of Flowering Plants – Top 25 MCQs with answers

 

1. Which part of the coconut is edible?
   A. Cotyledon
   B. Perisperm
   C. Pericarp
   D. Endosperm ✅

2. Which of the following are the non-essential parts of a flower?
   A. Androecium and Gynoecium
   B. Sepals and Carpels
   C. Sepals and Petals ✅
   D. Sepals and Gynoecium

3. Four long and two short stamens are characteristic of which family?
   A. Asteraceae
   B. Brassicaceae ✅
   C. Liliaceae
   D. Solanaceae

4. Which of the following plants bear hygroscopic roots?
   A. Bryophyllum
   B. Cuscuta
   C. Vanda ✅
   D. Rhizophora

5. In which of the following plants are all parts roots?
   A. Podostemon
   B. Lemna
   C. Wolffia
   D. Utricularia ✅

6. The region of root hair in a root lies just behind:
   A. Region of Maturation
   B. Region of Elongation ✅
   C. Meristematic Region
   D. Region of Root Cap

7. Which plant has a stem that performs the function of storage and perennation?
   A. Ginger ✅
   B. Wheat
   C. Radish
   D. Groundnut

8. Lack of which element has made some plants insectivorous?
   A. Iron
   B. Magnesium
   C. Nitrogen ✅
   D. Sodium

9. Velamen absorbs moisture from:
   A. Air ✅
   B. Root
   C. Leaves
   D. Mineral Salts

10. Leaves are changed into spines in xerophytic structures called:
    A. Phyllode
    B. Cladode
    C. Phylloclade
    D. All of the above ✅

11. Which of the following is not a floral character of the family Fabaceae?
    A. Calyx - Sepals five, gamosepalous; imbricate aestivation
    B. Corolla - Petals five, polypetalous; vexillary aestivation
    C. Androecium - Ten, diadelphous, anther dithecous
    D. Gynoecium - Ovary inferior, bicarpellary, unilocular with many ovules ✅

12. Which part of the fruit makes it a false fruit?
    A. Seed
    B. Mesocarp
    C. Endocarp
    D. Thalamus ✅

13. The flowers are zygomorphic in:
    A. Mustard
    B. Gulmohar ✅
    C. Cassia
    D. Datura

14. A phylloclade is the modification of a:
    A. Root
    B. Stem ✅
    C. Leaf
    D. Flower

15. The broad, green part of the leaf is called:
    A. Lamina ✅
    B. Petiole
    C. Veins
    D. Midrib

16. Diadelphous stamens are found in:
    A. China rose and citrus
    B. China rose
    C. Citrus
    D. Pea ✅

17. Which of the following is the female reproductive part of the flower?
    A. Pistil ✅
    B. Filament
    C. Anther
    D. Sprouting

18. If the leaflets are attached at the tip of the petiole, that leaf is called:
    A. Pinnate compound leaf
    B. Palmate compound leaf ✅
    C. Simple leaf
    D. Compound leaf

19. Which of the following describes characteristics of monocotyledonous seeds?
    A. The seed coat is membranous.
    B. The endosperm is bulky and stores food.
    C. The outer covering of the endosperm separates the embryo by a proteinous layer called the aleurone layer.
    D. All of the above ✅

20. In which plant are the leaflets modified into pointed hard thorns?
    A. Citrus ✅
    B. Bougainvillea
    C. Opuntia
    D. Rhizophora

21. Which plant shows vertically upward growing roots that help to get oxygen for respiration?
    A. Rhizophora ✅
    B. Opuntia
    C. Bougainvillea
    D. Citrus

22. Which of the following is a modification of the stem?
    A. Sweet potato
    B. Radish
    C. Ginger ✅
    D. Carrot

23. Pneumatophores occur in plants of:
    A. Marshy soil
    B. Saline soil
    C. Water
    D. Sandy soil ✅

24. Which of the following is not a type of simple permanent tissue?
    A. Parenchyma
    B. Collenchyma
    C. Xylem ✅
    D. Sclerenchyma

25. Which part of the plant primarily serves as the site of photosynthesis?
    A. Stipules
    B. Leaves ✅
    C. Internodes
    D. Petioles