Read and download the CBSE Class 11 Biology Plant Growth and Development Assignments for the 2025-26 academic session. We have provided comprehensive Class 11 Biology school assignments that have important solved questions and answers for Chapter 13 Plant Growth And Development. These resources have been carefuly prepared by expert teachers as per the latest NCERT, CBSE, and KVS syllabus guidelines.
Solved Assignment for Class 11 Biology Chapter 13 Plant Growth And Development
Practicing these Class 11 Biology problems daily is must to improve your conceptual understanding and score better marks in school examinations. These printable assignments are a perfect assessment tool for Chapter 13 Plant Growth And Development, covering both basic and advanced level questions to help you get more marks in exams.
Chapter 13 Plant Growth And Development Class 11 Solved Questions and Answers
Ques. A plant hormone used for inducing morphogenesis in plant tissue culture is
(a) cytokinins (b) ethylene
(c) abscisic acid (d) gibberellins.
Answer: A
Ques. Which combination of gases is suitable for fruit ripening?
(a) 80% CH4 and 20% CO2
(b) 80% CO2 and 20% O2
(c) 80% C2H4 and 20% CO2
(d) 80% CO2 and 20% CH2
Answer: C
Ques. Which one among the following chemicals is used for causing defoliation of forest trees?
(a) Malic hydrazide (b) 2, 4-D
(c) Amo-1618 (d) Phosphon D
Answer: B
Ques. Gibberellic acid induces flowering
(a) in short day plants under long day conditions
(b) in day-neutral plants under dark conditions
(c) in some gymnospermic plants only
(d) in long day plants under short day conditions.
Answer: D
Ques. The movement of auxin is largely
(a) centripetal (b) basipetal
(c) acropetal (d) both (a) and (c).
Answer: B
Ques. If the growing plant is decapitated, then
(a) its growth stops
(b) leaves become yellow and fall down
(c) axillary buds are inactivated
(d) axillary buds are activated.
Answer: D
Ques. Removal of apical bud results in
(a) formation of new apical bud
(b) elongation of main stem
(c) death of plant
(d) formation of lateral branching.
Answer: D
Ques. The regulator which retards ageing/senescence of plant parts is
(a) cytokinin (b) auxin
(c) gibberellin (d) abscisic acid.
Answer: A
Ques. The hormone produced during adverse environmental conditions is
(a) benzyl aminopurine
(b) bichlorophenoxy acetic acid
(c) ethylene
(d) abscisic acid.
Answer: D
Ques. Klinostat is employed in the study of
(a) osmosis
(b) growth movements
(c) photosynthesis
(d) respiration.
Answer: B
Ques. Which is produced during water stress that brings stomatal closure?
(a) Ethylene
(b) Abscisic acid
(c) Ferulic acid
(d) Coumarin
Answer: B
Ques. Bananas can be prevented from over-ripening by
(a) maintaining them at room temperature
(b) refrigeration
(c) dipping in ascorbic acid solution
(d) storing in a freezer.
Answer: C
Ques. Apical dominance is caused by
(a) abscisic acid in lateral bud
(b) cytokinin in leaf tip
(c) gibberellin in lateral buds
(d) auxin in shoot tip.
Answer: D
Ques. Cytokinins
(a) promote abscission
(b) influence water movement
(c) help retain chlorophyll
(d) inhibit protoplasmic streaming.
Answer: C
Ques. Which is employed for artificial ripening of banana fruits?
(a) Auxin (b) Coumarin
(c) Ethylene (d) Cytokinin
Answer: C
Ques. Abscisic acid causes
(a) stomatal closure (b) stem elongation
(c) leaf expansion (d) root elongation.
Answer: A
Ques. The hormone responsible for apical dominance is
(a) IAA (b) GA
(c) ABA (d) Florigen.
Answer: A
Ques. Hormone primarily connected with cell division is
(a) IAA (b) NAA
(c) cytokinin/zeatin (d) gibberellic acid.
Answer: C
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More free study material for Biology
CBSE Class 11 Biology Chapter 13 Plant Growth And Development Assignment
Access the latest Chapter 13 Plant Growth And Development assignments designed as per the current CBSE syllabus for Class 11. We have included all question types, including MCQs, short answer questions, and long-form problems relating to Chapter 13 Plant Growth And Development. You can easily download these assignments in PDF format for free. Our expert teachers have carefully looked at previous year exam patterns and have made sure that these questions help you prepare properly for your upcoming school tests.
Benefits of solving Assignments for Chapter 13 Plant Growth And Development
Practicing these Class 11 Biology assignments has many advantages for you:
- Better Exam Scores: Regular practice will help you to understand Chapter 13 Plant Growth And Development properly and you will be able to answer exam questions correctly.
- Latest Exam Pattern: All questions are aligned as per the latest CBSE sample papers and marking schemes.
- Huge Variety of Questions: These Chapter 13 Plant Growth And Development sets include Case Studies, objective questions, and various descriptive problems with answers.
- Time Management: Solving these Chapter 13 Plant Growth And Development test papers daily will improve your speed and accuracy.
How to solve Biology Chapter 13 Plant Growth And Development Assignments effectively?
- Read the Chapter First: Start with the NCERT book for Class 11 Biology before attempting the assignment.
- Self-Assessment: Try solving the Chapter 13 Plant Growth And Development questions by yourself and then check the solutions provided by us.
- Use Supporting Material: Refer to our Revision Notes and Class 11 worksheets if you get stuck on any topic.
- Track Mistakes: Maintain a notebook for tricky concepts and revise them using our online MCQ tests.
Best Practices for Class 11 Biology Preparation
For the best results, solve one assignment for Chapter 13 Plant Growth And Development on daily basis. Using a timer while practicing will further improve your problem-solving skills and prepare you for the actual CBSE exam.
You can download free PDF assignments for Class 11 Biology Chapter Chapter 13 Plant Growth And Development from StudiesToday.com. These practice sheets have been updated for the 2025-26 session covering all concepts from latest NCERT textbook.
Yes, our teachers have given solutions for all questions in the Class 11 Biology Chapter Chapter 13 Plant Growth And Development assignments. This will help you to understand step-by-step methodology to get full marks in school tests and exams.
Yes. These assignments are designed as per the latest CBSE syllabus for 2026. We have included huge variety of question formats such as MCQs, Case-study based questions and important diagram-based problems found in Chapter Chapter 13 Plant Growth And Development.
Practicing topicw wise assignments will help Class 11 students understand every sub-topic of Chapter Chapter 13 Plant Growth And Development. Daily practice will improve speed, accuracy and answering competency-based questions.
Yes, all printable assignments for Class 11 Biology Chapter Chapter 13 Plant Growth And Development are available for free download in mobile-friendly PDF format.