Which of the following is the primary pigment responsible for capturing light energy in photosynthesis?
a) Chlorophyll
b) Carotenoids
c) Xanthophylls
d) Anthocyanins
Answer: a) Chlorophyll
The process by which plants convert light energy into chemical energy is known as:
a) Photosynthesis
b) Respiration
c) Transpiration
d) Germination
Answer: a) Photosynthesis
The waxy layer on the surface of leaves that helps reduce water loss is called the:
a) Cuticle
b) Stoma
c) Epidermis
d) Mesophyll
Answer: a) Cuticle
Which of the following is a plant hormone responsible for cell elongation and growth?
a) Gibberellin
b) Abscisic acid
c) Cytokinin
d) Ethylene
Answer: a) Gibberellin
The process by which water moves through a plant from the roots to the leaves is called:
a) Transpiration
b) Photosynthesis
c) Absorption
d) Osmosis
Answer: a) Transpiration
Which of the following is the primary site of photosynthesis in plant cells?
a) Chloroplasts
b) Mitochondria
c) Nucleus
d) Vacuole
Answer: a) Chloroplasts
The process by which plants release water vapor through stomata is called:
a) Transpiration
b) Respiration
c) Photosynthesis
d) Germination
Answer: a) Transpiration
Which of the following is a plant hormone responsible for promoting cell division and lateral bud growth?
a) Cytokinin
b) Gibberellin
c) Abscisic acid
d) Ethylene
Answer: a) Cytokinin
The process by which plants convert stored energy into usable energy is known as:
a) Respiration
b) Photosynthesis
c) Transpiration
d) Germination
Answer: a) Respiration
The openings on the surface of leaves that allow for gas exchange are called:
a) Stomata
b) Cuticles
c) Epidermis
d) Mesophyll
Answer: a) Stomata
Which of the following is a plant hormone responsible for promoting seed germination and fruit ripening?
a) Ethylene
b) Abscisic acid
c) Gibberellin
d) Cytokinin
Answer: a) Ethylene
The process by which plants take in carbon dioxide from the atmosphere is called:
a) Photosynthesis
b) Respiration
c) Transpiration
d) Germination
Answer: a) Photosynthesis
Which of the following is a plant hormone responsible for regulating stomatal opening and closing?
a) Abscisic acid
b) Gibberellin
c) Cytokinin
d) Ethylene
Answer: a) Abscisic acid
The process by which plants respond to light by bending towards the light source is known as:
a) Phototropism
b) Gravitropism
c) Thigmotropism
d) Hydrotropism
Answer: a) Phototropism
Which of the following is a plant hormone responsible for promoting fruit development and seed germination?
a) Gibberellin
b) Ethylene
c) Abscisic acid
d) Cytokinin
Answer: a) Gibberellin
The process by which plants respond to gravity by growing either towards or away from it is known as:
a) Gravitropism
b) Phototropism
c) Thigmotropism
d) Hydrotropism
Answer: a) Gravitropism
Which of the following is a plant hormone responsible for regulating water balance and stress responses?
a) Abscisic acid
b) Ethylene
c) Gibberellin
d) Cytokinin
Answer: a) Abscisic acid
The process by which plants respond to touch or contact by growing or bending in response is known as:
a) Thigmotropism
b) Phototropism
c) Gravitropism
d) Hydrotropism
Answer: a) Thigmotropism
Which of the following is a plant hormone responsible for promoting root growth and branching?
a) Cytokinin
b) Ethylene
c) Gibberellin
d) Abscisic acid
Answer: a) Cytokinin
The process by which plants respond to water by growing towards it is known as:
a) Hydrotropism
b) Phototropism
c) Gravitropism
d) Thigmotropism
Answer: a) Hydrotropism
Which of the following is the primary site of respiration in plant cells?
a) Mitochondria
b) Chloroplasts
c) Nucleus
d) Vacuole
Answer: a) Mitochondria
The process by which plants absorb water and nutrients from the soil is called:
a) Absorption
b) Photosynthesis
c) Transpiration
d) Respiration
Answer: a) Absorption
Which of the following is a plant hormone responsible for promoting fruit ripening and leaf senescence?
a) Ethylene
b) Abscisic acid
c) Cytokinin
d) Gibberellin
Answer: a) Ethylene
The process by which plants convert light energy into electrical energy is called:
a) Photosynthesis
b) Respiration
c) Transpiration
d) Electroporation
Answer: d) Electroporation
The process by which plants respond to changes in light intensity by adjusting the size of stomatal openings is known as:
a) Photoperiodism
b) Phototropism
c) Photoinhibition
d) Phototaxis
Answer: c) Photoinhibition
Which of the following is a plant hormone responsible for promoting dormancy and inhibiting bud growth?
a) Abscisic acid
b) Ethylene
c) Cytokinin
d) Gibberellin
Answer: a) Abscisic acid
The process by which plants respond to changes in day length by initiating flowering or dormancy is known as:
a) Photoperiodism
b) Phototropism
c) Photoinhibition
d) Phototaxis
Answer: a) Photoperiodism
Which of the following is a plant hormone responsible for promoting leaf expansion and shoot elongation?
a) Gibberellin
b) Cytokinin
c) Ethylene
d) Abscisic acid
Answer: a) Gibberellin
The process by which plants respond to changes in temperature by adjusting their growth and development is known as:
a) Thermotropism
b) Phototropism
c) Thigmotropism
d) Hydrotropism
Answer: a) Thermotropism
Which of the following is a plant hormone responsible for regulating the opening and closing of stomata?
a) Abscisic acid
b) Ethylene
c) Cytokinin
d) Gibberellin
Answer: a) Abscisic acid
The process by which plants respond to changes in touch or mechanical stimuli by adjusting their growth is known as:
a) Thigmotropism
b) Phototropism
c) Gravitropism
d) Hydrotropism
Answer: a) Thigmotropism
Which of the following is a plant hormone responsible for promoting seed dormancy and inhibiting seed germination?
a) Abscisic acid
b) Ethylene
c) Gibberellin
d) Cytokinin
Answer: a) Abscisic acid
The process by which plants respond to changes in water availability by adjusting their growth and development is known as:
a) Hydrotropism
b) Phototropism
c) Thigmotropism
d) Thermotropism
Answer: a) Hydrotropism
Which of the following is a plant hormone responsible for promoting seed germination and shoot growth?
a) Gibberellin
b) Cytokinin
c) Ethylene
d) Abscisic acid
Answer: a) Gibberellin
The process by which plants respond to changes in temperature by adjusting their growth and development is known as:
a) Thermotropism
b) Phototropism
c) Thigmotropism
d) Hydrotropism
Answer: a) Thermotropism
Which of the following is a plant hormone responsible for promoting lateral root growth and shoot branching?
a) Cytokinin
b) Ethylene
c) Gibberellin
d) Abscisic acid
Answer: a) Cytokinin
The process by which plants respond to changes in light intensity by adjusting the size of stomatal openings is known as:
a) Photoinhibition
b) Phototropism
c) Photoperiodism
d) Phototaxis
Answer: a) Photoinhibition
Which of the following is a plant hormone responsible for promoting root growth and branching?
a) Cytokinin
b) Ethylene
c) Gibberellin
d) Abscisic acid
Answer: a) Cytokinin
The process by which plants respond to changes in touch or mechanical stimuli by adjusting their growth is known as:
a) Thigmotropism
b) Phototropism
c) Gravitropism
d) Hydrotropism
Answer: a) Thigmotropism
Which of the following is a plant hormone responsible for promoting lateral root growth and shoot branching?
a) Cytokinin
b) Ethylene
c) Gibberellin
d) Abscisic acid
Answer: a) Cytokinin
The process by which plants respond to changes in water availability by adjusting their growth and development is known as:
a) Hydrotropism
b) Phototropism
c) Thigmotropism
d) Thermotropism
Answer: a) Hydrotropism
Which of the following is a plant hormone responsible for promoting seed germination and shoot growth?
a) Gibberellin
b) Cytokinin
c) Ethylene
d) Abscisic acid
Answer: a) Gibberellin
The process by which plants respond to changes in temperature by adjusting their growth and development is known as:
a) Thermotropism
b) Phototropism
c) Thigmotropism
d) Hydrotropism
Answer: a) Thermotropism
Which of the following is a plant hormone responsible for promoting root growth and branching?
a) Cytokinin
b) Ethylene
c) Gibberellin
d) Abscisic acid
Answer: a) Cytokinin
The process by which plants respond to changes in light intensity by adjusting the size of stomatal openings is known as:
a) Photoinhibition
b) Phototropism
c) Photoperiodism
d) Phototaxis
Answer: a) Photoinhibition
Which of the following is a plant hormone responsible for promoting root growth and branching?
a) Cytokinin
b) Ethylene
c) Gibberellin
d) Abscisic acid
Answer: a) Cytokinin
The process by which plants respond to changes in touch or mechanical stimuli by adjusting their growth is known as:
a) Thigmotropism
b) Phototropism
c) Gravitropism
d) Hydrotropism
Answer: a) Thigmotropism
Which of the following is a plant hormone responsible for promoting lateral root growth and shoot branching?
a) Cytokinin
b) Ethylene
c) Gibberellin
d) Abscisic acid
Answer: a) Cytokinin
The process by which plants respond to changes in water availability by adjusting their growth and development is known as:
a) Hydrotropism
b) Phototropism
c) Thigmotropism
d) Thermotropism
Answer: a) Hydrotropism
Which of the following is a plant hormone responsible for promoting seed germination and shoot growth?
a) Gibberellin
b) Cytokinin
c) Ethylene
d) Abscisic acid
Answer: a) Gibberellin
The process by which plants respond to changes in temperature by adjusting their growth and development is known as:
a) Thermotropism
b) Phototropism
c) Thigmotropism
d) Hydrotropism
Answer: a) Thermotropism
Which of the following is a plant hormone responsible for promoting root growth and branching?
a) Cytokinin
b) Ethylene
c) Gibberellin
d) Abscisic acid
Answer: a) Cytokinin
The process by which plants respond to changes in light intensity by adjusting the size of stomatal openings is known as:
a) Photoinhibition
b) Phototropism
c) Photoperiodism
d) Phototaxis
Answer: a) Photoinhibition
Which of the following is a plant hormone responsible for promoting root growth and branching?
a) Cytokinin
b) Ethylene
c) Gibberellin
d) Abscisic acid
Answer: a) Cytokinin
The process by which plants respond to changes in touch or mechanical stimuli by adjusting their growth is known as:
a) Thigmotropism
b) Phototropism
c) Gravitropism
d) Hydrotropism
Answer: a) Thigmotropism
Which of the following is a plant hormone responsible for promoting lateral root growth and shoot branching?
a) Cytokinin
b) Ethylene
c) Gibberellin
d) Abscisic acid
Answer: a) Cytokinin
The process by which plants respond to changes in water availability by adjusting their growth and development is known as:
a) Hydrotropism
b) Phototropism
c) Thigmotropism
d) Thermotropism
Answer: a) Hydrotropism
Which of the following is a plant hormone responsible for promoting seed germination and shoot growth?
a) Gibberellin
b) Cytokinin
c) Ethylene
d) Abscisic acid
Answer: a) Gibberellin
The process by which plants respond to changes in temperature by adjusting their growth and development is known as:
a) Thermotropism
b) Phototropism
c) Thigmotropism
d) Hydrotropism
Answer: a) Thermotropism
Which of the following is a plant hormone responsible for promoting root growth and branching?
a) Cytokinin
b) Ethylene
c) Gibberellin
d) Abscisic acid
Answer: a) Cytokinin
The process by which plants respond to changes in light intensity by adjusting the size of stomatal openings is known as:
a) Photoinhibition
b) Phototropism
c) Photoperiodism
d) Phototaxis
Answer: a) Photoinhibition
Which of the following is a plant hormone responsible for promoting root growth and branching?
a) Cytokinin
b) Ethylene
c) Gibberellin
d) Abscisic acid
Answer: a) Cytokinin
The process by which plants respond to changes in touch or mechanical stimuli by adjusting their growth is known as:
a) Thigmotropism
b) Phototropism
c) Gravitropism
d) Hydrotropism
Answer: a) Thigmotropism
Which of the following is a plant hormone responsible for promoting lateral root growth and shoot branching?
a) Cytokinin
b) Ethylene
c) Gibberellin
d) Abscisic acid
Answer: a) Cytokinin
The process by which plants respond to changes in water availability by adjusting their growth and development is known as:
a) Hydrotropism
b) Phototropism
c) Thigmotropism
d) Thermotropism
Answer: a) Hydrotropism
Which of the following is a plant hormone responsible for promoting seed germination and shoot growth?
a) Gibberellin
b) Cytokinin
c) Ethylene
d) Abscisic acid
Answer: a) Gibberellin
The process by which plants respond to changes in temperature by adjusting their growth and development is known as:
a) Thermotropism
b) Phototropism
c) Thigmotropism
d) Hydrotropism
Answer: a) Thermotropism
Which of the following is a plant hormone responsible for promoting root growth and branching?
a) Cytokinin
b) Ethylene
c) Gibberellin
d) Abscisic acid
Answer: a) Cytokinin
The process by which plants respond to changes in light intensity by adjusting the size of stomatal openings is known as:
a) Photoinhibition
b) Phototropism
c) Photoperiodism
d) Phototaxis
Answer: a) Photoinhibition
Which of the following is a plant hormone responsible for promoting root growth and branching?
a) Cytokinin
b) Ethylene
c) Gibberellin
d) Abscisic acid
Answer: a) Cytokinin
