Q1. What is the process by which living differentiated cells regain the ability to divide?A. DifferentiationB. DedifferentiationC. RedifferentiationD. Apoptosis
Q2. Which plant growth regulator is commonly used in the brewing industry to accelerate malting?A. CytokininB. GibberellinC. AuxinD. Ethylene
Q3. Select the correct statement regarding plant plasticity:A. Plasticity is the ability to perform photosynthesis.B. Cotton shows environmental plasticity.C. Plasticity results in the same leaf forms.D. Heterophylly is a form of plasticity.
Q4. Which plant growth regulator is responsible for bolting in rosette plants like cabbage?A. EthyleneB. GibberellinC. AuxinD. Abscisic acid
Q5. Which plant hormone is involved in the formation of adventitious roots from stem cuttings?A. GibberellinB. CytokininC. AuxinD. Abscisic acid
Q6. Which process involves the loss of cell division capacity in mature cells?A. DifferentiationB. DedifferentiationC. RedifferentiationD. Senescence
Q7. Which of the following statements about plant growth regulators is correct?A. Ethylene promotes root elongation.B. Auxin inhibits apical dominance.C. Cytokinin delays leaf senescence.D. Gibberellins inhibit seed germination.
Q8. Which phenomenon in plants refers to the ability to produce different types of leaves in different conditions?A. PhotoperiodismB. PlasticityC. VernalizationD. Abscission
Q9. Which plant growth regulator is responsible for delaying senescence and promoting nutrient mobilization?A. GibberellinB. CytokininC. AuxinD. Abscisic acid
Q10. Select the correct statement about seed germination:A. Gibberellins promote the production of alpha-amylase.B. Abscisic acid breaks seed dormancy.C. Ethylene inhibits seed germination.D. Auxins promote seed germination directly.