50+ NEET MCQ Questions:  Plant Growth and Development with Solutions

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.

Sneha

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