Chapter-5: Morphology of Flowering Plants

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

• Pistia
• Lemna
• Ficus
• Eichhornia

2. In Lathyrus, the leaves are modified into

• thorns
• cladodes
• tendrils
• spines

3. Floating roots are characteristic of

• Tinospora
• Jussiaea
• Viscum
• Vanda

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

• Papilionaceous
• Valvate
• Twisted
• Imbricate

5. The coloured part of a Bougainuillea flower is the

• corolla
• calyx
• bracts
• androecium

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

• potato
• ginger
• onion
• colocasia

7. In tamarind, the pinnate leaf is

• bipinnate
• tripinnate
• paripinnate
• imparipinnate

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

9. The petiole is swollen and spongy in

• Nepenthes
• Trapa
• Clematis
• all of the above

10. Thors and spines are

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

11. In banana, the stem is

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

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

• inflorescence axis
• petiole
• roots
• stipules

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

• Placentation
• Aestivation
• Bracteate
• Phyllotaxy

14. The coloured part of a Bougainuillea flower is the

• corolla
• calyx
• bracts
• androecium

15. Exceptional roots of Cuscuta are

• haustorial
• coralloid
• mucorhizal
• all of the above