Chapter-5: Morphology of Flowering Plants

1. Which one of the following plants dose not have root – pockets

  • Pistia
  • Lemna
  • Ficus
  • Eichhornia
Answer
Ficus

2. In Lathyrus, the leaves are modified into

  • thorns
  • cladodes
  • tendrils
  • spines
Answer
tendrils

3. Floating roots are characteristic of

  • Tinospora
  • Jussiaea
  • Viscum
  • Vanda
Answer
Jussiaea

4. The largest petal overlaps the lateral ones in _________ aestivation.

  • Papilionaceous
  • Valvate
  • Twisted
  • Imbricate
Answer
Papilionaceous

5. The coloured part of a Bougainuillea flower is the

  • corolla
  • calyx
  • bracts
  • androecium
Answer
bracts

6. In which of the following plants stems do not store the food material

  • potato
  • ginger
  • onion
  • colocasia
Answer
onion

7. In tamarind, the pinnate leaf is

  • bipinnate
  • tripinnate
  • paripinnate
  • imparipinnate
Answer
bipinnate

8. Potato tuber is an underground stem because

  • it lacks chlorophyll
  • it is swollen
  • it possesses axillary buds
  • it stores starch as reserve food material
Answer
it possesses axillary buds

9. The petiole is swollen and spongy in

  • Nepenthes
  • Trapa
  • Clematis
  • all of the above
Answer
Trapa

10. Thors and spines are

  • homologous organs
  • analogous organs
  • thron is homologous while spine is analogous
  • spine is homologous while is analogous
Answer
spine is homologous while is analogous

11. In banana, the stem is

  • underground only
  • both underground and aerial
  • absent
  • aerial only
Answer
underground only

12. Artabotrys is a hook climber in which the hooks are modified

  • inflorescence axis
  • petiole
  • roots
  • stipules
Answer
inflorescence axis

13. The arrangement of sepals or petals in floral bud is called

  • Placentation
  • Aestivation
  • Bracteate
  • Phyllotaxy
Answer
Aestivation

14. The coloured part of a Bougainuillea flower is the

  • corolla
  • calyx
  • bracts
  • androecium
Answer
bracts

15. Exceptional roots of Cuscuta are

  • haustorial
  • coralloid
  • mucorhizal
  • all of the above
Answer
haustorial