Anatomy of Flowering Plants

Which of the following statements is true ?

1. Tracheids are unicellular and with wide lumen
2. Tracheids are multicellular and with narrow lumen
3. Vessels are multicellular and with wide lumen
4. Vessels are unicellular and with narrow lumen

Axillary bud and terminal bud derived from the activity of : -

1. Apical meristem
2. Parenchyma
3. Lateral meristem
4. Intercalary meristem

Four radial vascular bundles are found in : -

1. Monocot stem
2. Dicot stem
3. Dicot root
4. Monocot root

Vessels are found in:

1. Most of the angiosperms and a few gymnosperms
2. All angiosperms and some gymnosperms
3. All pteridophyta
4. All angiosperms, all gymnosperms and some pteridophyta

Main function of lenticel is

1. transpiration
2. guttation
3. gaseous exchange
4. bleeding.

In which of the following plants sunken stomata are found?

1. Nerium
2. Hydrilla
3. Mango
4. Guava

What happens in plants during vascularisation?

1. Formation of procambium, primary phloem and xylem simultaneously
2. Differentiation of procambium followed by the formation of secondary xylem
3. Differentiation of procambium, formation of primary phloem followed by formation of primary xylem
4. Differentiation of procambium followed by the formation of primary phloem and xylem simultaneously