CBSE Class 11 Biology Respiration in Plants Worksheet Set A

Access the latest CBSE Class 11 Biology Respiration in Plants Worksheet Set A. We have provided free printable Class 11 Biology worksheets in PDF format, specifically designed for Chapter 12 Respiration in Plants. These practice sets are prepared by expert teachers following the 2025-26 syllabus and exam patterns issued by CBSE, NCERT, and KVS.

Chapter 12 Respiration in Plants Biology Practice Worksheet for Class 11

Students should use these Class 11 Biology chapter-wise worksheets for daily practice to improve their conceptual understanding. This detailed test papers include important questions and solutions for Chapter 12 Respiration in Plants, to help you prepare for school tests and final examination. Regular practice of these Class 11 Biology questions will help improve your problem-solving speed and exam accuracy for the 2026 session.

Download Class 11 Biology Chapter 12 Respiration in Plants Worksheet PDF

MULTIPLE CHOICE QUESTIONS

Question. Photorespiration in C3 plants starts from
(a) phosphoglycerate
(b) phosphoglycolate
(c) glycerate
(d) glycine
Answer. A

Question. In glycolysis, glucose molecule is converted into
(a) PEP
(b) RuBP
(c) acetyl CoA
(d) pyruvic acid
Answer. D

Question. Which of the following is the connecting link between glycolysis and Krebs cycle? 
(a) Acetyl CoA
(b) Oxalosuccinic acid
(c) Pyruvic acid
(d) Citric acid
Answer. A

Question. An enzymes of TCA cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial membrane in eukaryotes and in cytosol in prokaryotes. This enzyme is
(a) Succinate dehydrogenase
(b) Lactate dehydrogenase
(c) Isocitrate dehydrogenase
(d) Malate dehydrogenase
Answer. A

Question. Glycolysis occurs in 
(a) mitochondria
(b) chloroplast
(c) cytoplasm
(d) peroxisome
Answer. C

Question. Which of the following representation correctly explain the function of mitochondrion?
CBSE Class 11 Biology Respiration in Plants

Answer. A

Very Short Answer
 
Question. What are macromolecules? 
Answer. A macromolecule is a very large molecule, like protein.
 
Question. Define respiratory substrates? 
Answer. The compounds oxidised during the process of respiration are called as respiratory substrates.
 
Question. What is glycolysis? 
Answer.  The breakdown of the glucose to pyruvic acid is called glycolysis.
 
Question. How pyruvate is formed? 
Answer. Pyruvate is formed by the glycolytic catabolism of carbohydrates in the cytosol.
 
Question. What is electron transport system?
Answer. The metabolic pathway through which the electron passes from one carrier to another is called electron transport system.
 
 
 
Please click the link below to download CBSE Class 11 Biology Respiration in Plants Worksheet Set A
 
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Chapter 12 Respiration in Plants CBSE Class 11 Biology Worksheet

Students can use the Chapter 12 Respiration in Plants practice sheet provided above to prepare for their upcoming school tests. This solved questions and answers follow the latest CBSE syllabus for Class 11 Biology. You can easily download the PDF format and solve these questions every day to improve your marks. Our expert teachers have made these from the most important topics that are always asked in your exams to help you get more marks in exams.

NCERT Based Questions and Solutions for Chapter 12 Respiration in Plants

Our expert team has used the official NCERT book for Class 11 Biology to create this practice material for students. After solving the questions our teachers have also suggested to study the NCERT solutions  which will help you to understand the best way to solve problems in Biology. You can get all this study material for free on studiestoday.com.

Extra Practice for Biology

To get the best results in Class 11, students should try the Biology MCQ Test for this chapter. We have also provided printable assignments for Class 11 Biology on our website. Regular practice will help you feel more confident and get higher marks in CBSE examinations.

Where can I download latest CBSE Practice worksheets for Class 11 Biology Chapter 12 Respiration in Plants

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