Stomatal apparatus consists of
Stomatal aperture
Guard cell
Subsidiary cells
All of these
Related Questions
Conjoint vascular bundles are common in
Roots
Stems
Leaves
Both (2) and (3)
Open vascular bundles
Have cambium in between the primary and secondary xylem
Have cambium in between the primary and secondary phloem
Have cambium in between the xylem and phloem
Don’t have cambium in between xylem and phloem
Which tissue system forms the outer covering of plants?
Vascular tissue system
Ground tissue system
Epidermal tissue system
Meristematic tissue system
Prickles I. don’t have vascular supplyII. are epidermal in originIII. help in climbingSelect the right combination of statements from the given options
I and II
II and III
I and III
I, II and III
The outer walls of guard cells (away from stomatal pore) are …A…. While the inner walls (towards the stomatal pore) are …B… .
Choose the correct combination of A and B
thin and elastic, thick and inelastic
thick and inelastic, thin and elastic
thin and inelastic, thick and elastic
thick and elastic, thin and inelastic
Which of the following statements is INCORRECT regarding parenchyma and xylem in plants?
Parenchyma is dead tissue, while collenchyma is living tissue.
Gymnosperms lack xylem vessels, while angiosperms possess them.
Parenchyma cells are typically thin-walled and involved in storage.
Xylem vessels are efficient for water transport in angiosperms.
Stelar regions are formed from
Periblem
Plerome
Dermatogen
Tunica
A vascular bundle without pith is
Protostele
Siphonostele
Solenostele
None of these
Which tissue system is responsible for the transport of water and minerals in plants?
Phloem
Xylem
Parenchyma
Sclerenchyma
Select the odd one w.r.t. ground tissue system
Pericycle
Pith
Epidermis
Cortex
