Prepare for NEET Biology Plant Growth and Development (Seed Dormancy) with MCQs & PYQs on NEET.GUIDE. Access free practice, previous year questions, and expert solutions to understand factors preventing germination and dormancy breaking methods.
NEET Questions / Botany / Plant Growth and Development / Seed Dormancy
The process of removing the fleshy fruit wall surrounding a seed to break dormancy is known as:
Scarification
Stratification
Pulp removal
Vernalization
Light-sensitive seeds that require a specific light exposure to germinate exhibit:
Thermodormancy
Photodormancy
Hydrodmancy
Chemical dormancy
Which of the following is NOT a method used by seeds to overcome dormancy?
Scarification of the seed coat
Stratification (exposure to cold)
Exposure to ethylene
Exposure to appropriate light conditions
The hard seed coat in some seeds induces dormancy by:
Producing growth inhibitors
Preventing water and oxygen uptake
Lowering the temperature inside the seed
Increasing the light requirement for germination
Which type of dormancy is caused by the presence of chemical inhibitors in the seed?
Physical dormancy
Morphological dormancy
Physiological dormancy
Chemical dormancy
A seed that requires a period of cold treatment before it can germinate exhibits:
Physical dormancy
Morphological dormancy
Physiological dormancy
Chemical dormancy
Immature embryos can cause a type of dormancy known as:
Physical dormancy
Morphological dormancy
Physiological dormancy
Chemical dormancy
Which of the following substances does not typically contribute to seed dormancy?
Abscisic acid
Phenolic acids
Short-chain fatty acids
Gibberellins
Which of the following promotes seed germination, effectively counteracting seed dormancy?
Abscisic acid
Phenolic acids
Short-chain fatty acids
Gibberellins
A scientist is studying seed dormancy. Which of the following compounds would they least likely find contributing to this state in a dormant seed?
Abscisic acid
Phenolic acids
Short-chain fatty acids
Gibberellins