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This is an MCQ-based quiz on the topic of the Parts Of Plants, Diagram, and Functions.
This includes the following topics:-
Roots
Stem
Leaves
Flowers
Fruits
Flowers
The type of roots present in mustard plant is
Which of the following is not the lateral branches of the roots?
In wheat plant ________ root system is present
Which of the following is not the main function of the root system?
In monocots, grafting is not possible as _________.
They show parallel venation
They have scattered vascular bundles
They lack cambium
They are herbaceous
Difference between heartwood and sapwood is that heartwood _________.
Shows the presence of fibres and rays
Has dead and non-conducting elements
Lacks parenchyma and vessels
Is susceptible to pathogens and pests
Which of the following factors promotes the opening of the stomatal aperture?
A decrease in guard cell turgidity
When the outer walls of the guard cells contracts
Radial orientation of the cellulose microfibrils in the cell wall of the guard cells
The longitudinal orientation of the cellulose microfibrils in the cell wall of guard cells
Which of the following is made of dead cells?
Phloem
Phellem
Collenchyma
Xylem parenchyma
Which of the following statement are true about the Tyloses – the balloon-shaped structures?
Characterise the sapwood
Original in the lumen of vessels
Are linked to the ascent sap through xylem vessels
Are extensions of the xylem parenchyma cells into vessels
This is one of the most recent and valid explanations for stomatal movements.
Starch hydrolysis
Transpiration
Guard cell photosynthesis
Potassium efflux and the influx
Which of the following are the primary water-conducting elements of xylem in gymnosperms?
Fibres
Vessels
Tracheids
Transfusion tissue
Which of the following events takes place in a ring girdled plant?
The eath of the root first
The death of the shoot first
The shoots and the root dies first
Neither the shoot nor the root will die
Which of the following is not a lateral meristem?
Phellogen
Cork cambium
Intercalary meristem
Interfascicular cambium
Primary root is the direct elongation of the
Radicle
Plumule
Stamen
Pedicel
Vascular bundles are closed in monocots as _________.
Presence of vascular cambium between xylem and phloem
Presence of xylem and phloem
Absence of vascular cambium
Xylem and phloem occur in separate bundles
