Which of the following statements is correct?
Which of the following statements is correct?
- A
Angiosperms lack vessels in their xylem
- B
The presence of vessels is a characteristic feature of angiosperms
- C
The cells of vessels are living
- D
Vessel is a long cylindrical tube-like cell made up of many vessel members
Similar Questions
In old trees the greater part of secondary xylem is dark brown and resistant to insect attack due to:
$(a)$ secretion of secondary metabolities and their deposition in the lumen of vessels.
$(b)$ deposition of organic compounds like tannins and resins in the central layers of stem.
$(c)$ deposition of suberin and aromatic substances in the outer layer of stem.
$(d)$ deposition of tannins, gum, resin and aromatic substances in the peripheral layers of stem.
$(e)$ presence of parenchyma cells, functionally active xylem elements and essential oils.
Choose the correct answer from the options given below:
In old trees the greater part of secondary xylem is dark brown and resistant to insect attack due to:
$(a)$ secretion of secondary metabolities and their deposition in the lumen of vessels.
$(b)$ deposition of organic compounds like tannins and resins in the central layers of stem.
$(c)$ deposition of suberin and aromatic substances in the outer layer of stem.
$(d)$ deposition of tannins, gum, resin and aromatic substances in the peripheral layers of stem.
$(e)$ presence of parenchyma cells, functionally active xylem elements and essential oils.
Choose the correct answer from the options given below:
- [NEET 2022]
Cortex is the region found between
Cortex is the region found between
- [NEET 2016]
Which of the following is/are living cells?
$I.$ Vessel, $II.$ Tracheids, $III.$ Companion cells
Which of the following is/are living cells?
$I.$ Vessel, $II.$ Tracheids, $III.$ Companion cells
Location / Function :
$(i)$ Fascicular cambium
$(ii)$ Pericycle
Location / Function :
$(i)$ Fascicular cambium
$(ii)$ Pericycle
Which combination of tissues acts together to provide the support to the hypocotyl of a seedling
Which combination of tissues acts together to provide the support to the hypocotyl of a seedling