A. Cork cambium
B. Pith.
C. Vascular cambium.
D. Both a and c
Related Mcqs:
- Rapid growth at exponential ration occurs in which phase of bacterial growth:
A. Lag phase
B. Log phase
C. Stationary phase
D. Death / decline phase - Stunted growth of roots is due to the deficiency of____________in plants?
A. Potassium
B. Magnesium
C. Phosphorus
D. Iron. - The plant dye Henna imparts orangered colour to skin and hairs due to its reaction with which of the following?
A. Lipids
B. Carbohydrates
C. Amino acids
D. Protein and amino acidsSubmitted by: Rashid Mehmood
- Secondary cell wall of sclerenchyma cells is impregnated with_________________?
A. Cellulose.
B. Peptidoglycan and murein.
C. Lignin.
D. Pectin. - Bryophtes are called amphiabians of plant world because:
A. Bryophytes like amphibian ancestors are one of the most primitive organisms in this world.
B. Bryophytes like amphibian live in damp shady places and close to water body.
C. Amphibians have close relation with bryophytes in their habitat.
D. All of these - The pressure generated when water enters & inflates plant cells is called ___________ potential?
A. Water
B. Osmotic
C. Pressure
D. Solute - Which of the following structure in plant’s body is called excretophores?
A. Stem
B. Leaves
C. Flowers
D. Roots - Strong chlorosis is due to the deficiency of _____________ in plants?
A. Magnesium
B. Nitrogen
C. Potassium
D. Phosphorus - If more substrate to already occurring enzymatic reaction is added more enzyme activity is seen because_____________?
A. There is probably more substrate present than there is enzyme.
B. There is probably more enzayme available than there is substrate.
C. There is probably more product present than there is either substrate or enzyme.
D. The enzyme substrate complex is probably failing to form during the reaction - Enzyme activity can also be charted through the __________ ?
A. Rate of digestion
B. Rate of reaction
C. Level of pH
D. Number of active sitesSubmitted by: Rashid Mehmood
