Here we will provide you the 50+ MCQ Questions of Plant Growth and Development for NEET-UG. Plant Growth and Development is the second chapter in Class XI or Class 11 Biology NCERT Unit Plant Growth and Development. NEET (conducted by NTA) is based on the NCERT book.
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These 50+ MCQ questions are selected by the experts of studyrate.in, and these are more difficult questions, which will help you to better understand Plant Growth and Development NEET MCQ Questions with Answers.
Plant Growth and Development NEET MCQ
Which hormone is responsible for promoting stem elongation in plants?
A) Auxin
B) Gibberellin
C) Cytokinin
D) Ethylene
Answer:B) Gibberellin
Which of the following hormones is responsible for promoting cell division in plants?
A) Auxin
B) Gibberellin
C) Cytokinin
D) Ethylene
Answer:C) Cytokinin
Which of the following is not a plant growth regulator?
A) Auxin
B) Gibberellin
C) Cytokinin
D) Adenosine triphosphate (ATP)
Answer:D) Adenosine triphosphate (ATP)
Which of the following hormones is responsible for inhibiting stem elongation in plants?
A) Auxin
B) Gibberellin
C) Abscisic acid
D) Ethylene
Answer:C) Abscisic acid
Which of the following is not a function of auxin in plants?
A) Promotion of stem elongation
B) Inhibition of lateral bud growth
C) Promotion of cell division
D) Promotion of leaf abscission
Answer:D) Promotion of leaf abscission
Which hormone is responsible for promoting fruit ripening in plants?
A) Auxin
B) Gibberellin
C) Cytokinin
D) Ethylene
Answer:D) Ethylene
Which of the following is not a plant growth movement?
A) Phototropism
B) Gravitropism
C) Thigmotropism
D) Glycotropism
Answer D) Glycotropism
Which of the following plant hormones is responsible for promoting apical dominance?
A) Auxin
B) Gibberellin
C) Cytokinin
D) Abscisic acid
Answer:A) Auxin
Which of the following is not a plant growth response to light?
A) Phototropism
B) Chloroplast movement
C) Photoperiodism
D) Circadian rhythm
Answer:D) Circadian rhythm
Which of the following is a process by which plants respond to environmental stress by reducing growth and metabolic activity?
A) Dormancy
B) Senescence
C) Adaptation
D) Quiescence
Answer A) Dormancy
Which of the following is a plant hormone that regulates the opening and closing of stomata?
A) Auxin
B) Gibberellin
C) Cytokinin
D) Abscisic acid
Answer:D) Abscisic acid
Which of the following is a plant growth movement in response to touch?
A) Phototropism
B) Gravitropism
C) Thigmotropism
D) Hydrotropism
Answer:C) Thigmotropism
Which of the following is a plant hormone that regulates seed germination and dormancy?
A) Auxin
B) Gibberellin
C) Cytokinin
D) Abscisic acid
Answer:B) Gibberellin
Which of the following is not a plant growth movement in response to gravity?
A) Positive gravitropism
B) Negative gravitropism
C) Geotropism
D) Phototropism
Answer:D) Phototropism
Which of the following is not a plant growth movement in response to light?
A) Phototropism
B) Chloroplast movement
C) Photoperiodism
D) Glycotropism
Answer:D) Glycotropism
Which of the following is a process by which plants shed leaves or other parts?
A) Abscission
B) Senescence
C) Dormancy
D) Adaptation
Answer:A) Abscission
Which of the following is not a function of cytokinins in plants?
A) Promotion of cell division
B) Delay of senescence
C) Inhibition of apical dominance
D) Promotion of fruit ripening
Answer:D) Promotion of fruit ripening
Which of the following is a plant growth movement in response to light intensity?
A) Phototropism
B) Chloroplast movement
C) Photoperiodism
D) Photonasty
Answer:D) Photonasty
Which of the following is a plant hormone that promotes root growth and branching?
A) Auxin
B) Gibberellin
C) Cytokinin
D) Ethylene
Answer:A) Auxin
Which of the following is not a function of gibberellins in plants?
A) Promotion of stem elongation
B) Promotion of seed germination
C) Inhibition of fruit ripening
D) Induction of flowering
Answer C) Inhibition of fruit ripening
Which of the following is a plant growth movement in response to touch or wind?
A) Phototropism
B) Gravitropism
C) Thigmotropism
D) Chemotropism
Answer C) Thigmotropism
Which of the following is a plant hormone that promotes fruit development?
A) Auxin
B) Gibberellin
C) Cytokinin
D) Ethylene
Answer:B) Gibberellin
Which of the following is not a plant growth response to water availability?
A) Hydrotropism
B) Wilting
C) Stomatal closure
D) Chloroplast movement
Answer:D) Chloroplast movement
Which of the following is a plant growth movement in response to chemicals?
A) Phototropism
B) Gravitropism
C) Thigmotropism
D) Chemotropism
Answer:D) Chemotropism
Which of the following is a plant hormone that promotes root growth and prevents leaf abscission?
A) Auxin
B) Gibberellin
C) Cytokinin
D) Abscisic acid
Answer:A) Auxin
Which of the following is not a plant hormone?
A) Auxin
B) Glucose
C) Ethylene
D) Abscisic acid
Answer:B) Glucose
Which of the following is a plant hormone that promotes flowering?
A) Auxin
B) Gibberellin
C) Cytokinin
D) Ethylene
Answer B) Gibberellin
Which of the following is a plant hormone that regulates cell division and differentiation?
A) Auxin
B) Gibberellin
C) Cytokinin
D) Abscisic acid
Answer:C) Cytokinin
Which of the following is a plant growth movement in response to water availability?
A) Hydrotropism
B) Wilting
C) Stomatal closure
D) Chemotropism
Answer:A) Hydrotropism
Which of the following is a plant hormone that regulates fruit ripening and senescence?
A) Auxin
B) Gibberellin
C) Cytokinin
D) Ethylene
Answer:D) Ethylene
Which of the following is a plant growth movement in response to touch or pressure?
A) Phototropism
B) Gravitropism
C) Thigmomorphogenesis
D) Chemotropism
Answer:C) Thigmomorphogenesis
Which of the following is a process by which plants undergo programmed cell death?
A) Senescence
B) Abscission
C) Dormancy
D) Adaptation
Answer:A) Senescence
Which of the following is a plant hormone that promotes apical dominance?
A) Auxin
B) Gibberellin
C) Cytokinin
D) Abscisic acid
Answer:A) Auxin
Which of the following is a plant growth movement in response to touch or mechanical stimulation?
A) Phototropism
B) Gravitropism
C) Thigmotropism
D) Hydrotropism
Answer:C) Thigmotropism
Which of the following is a plant hormone that inhibits growth and promotes dormancy in buds and seeds?
A) Auxin
B) Gibberellin
C) Cytokinin
D) Abscisic acid
Answer:D) Abscisic acid
Which of the following is a plant growth response to light?
A) Phototropism
B) Thigmotropism
C) Gravitropism
D) Chemotropism
Answer:A) Phototropism
Which of the following is a process by which plants shed leaves, flowers, or fruits?
A) Senescence
B) Abscission
C) Dormancy
D) Adaptation
Answer B) Abscission
Which of the following is a plant growth movement in response to gravity?
A) Phototropism
B) Thigmotropism
C) Gravitropism
D) Hydrotropism
Answer:C) Gravitropism
Which of the following is a plant hormone that regulates plant responses to stress, such as drought, cold, and salt?
A) Auxin
B) Gibberellin
C) Cytokinin
D) Abscisic acid
Answer:D) Abscisic acid
We hope there NEET MCQ of Class 11 Chapter 2 Plant Growth and Development will help you to score an excellent rank in NEET-UG. If you have any queries feel free to write in the comments section. We at Study Rate are always ready to serve our students.
