Access the latest CBSE Class 11 Biology Chemical Coordination and Integration Worksheet Set A. We have provided free printable Class 11 Biology worksheets in PDF format, specifically designed for Chapter 19 Chemical Coordination and Integration. These practice sets are prepared by expert teachers following the 2025-26 syllabus and exam patterns issued by CBSE, NCERT, and KVS.
Chapter 19 Chemical Coordination and Integration 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 19 Chemical Coordination and Integration, 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 19 Chemical Coordination and Integration Worksheet PDF
MULTIPLE CHOICE QUESTIONS
Question. Addison's disease result from
(a) hyposecretion of gonads
(b) hyposecretion of adrenal gland
(c) hypertrophy of kidney
(d) hyposecretion of pituitary gland
Answer. B
Question. Which of the following statements regarding glucagon is false?
(a) It is secreted by α-cells of Langerhans.
(b) It acts antagonistically to insulin.
(c) It decreases blood sugar level.
(d) The gland responsible for its secretion is heterocrine gland.
Answer. C
Question. Which one of the following four gland is correctly matched with the accompanying description?
(a) Thyroid - Hyperactivity in young children causes cretinism
(b) Thymus - Starts undergoing atrophy after puberty
(c) Parathyroid - Secretes para-thormone, which promotes movement of calcium ions from blood into bones during calcification
(d) Pancreas - Delta cells of the 'islets of Langerhans' secrete a hormone, which stimulates glycolysis in liver
Answer. B
Question.The development of adult characteristics in a moulting insect is promoted by
(a) Thyroxine
(b) Ecdysone
(c) Pheromone
(d) None of these
Answer. B
Question. Which one of the following hormones contains iodine?
(a) Thyroxine
(b) Testosterone
(c) Insulin
(d) Adrenaline
Answer. A
Question. Heart beat increases at the time of interview because of
(a) renin
(b) rennin
(c) adrenaline
(d) Diuretic ADH
Answer. C
Question. Conn’s disease is caused by the over secretion of
(a) ADH
(b) ACTH
(c) Oxytocin
(d) Aldosterone
Answer. D
Question. Acromegaly is due to hypersecretion of
(a) Insulin
(b) Thyroxine
(c) Growth hormone
(d) None of these
Answer. C
Question. Which one of the following four secretions is correctly matched with its source, target and nature of action?
Answer. D
ASSERTION REASON QUESTIONS
Directions : These questions consist of two statements, each printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following five responses.
(a) If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
(b) If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
(c) If the Assertion is correct but Reason is incorrect.
(d) If both the Assertion and Reason are incorrect.
(e) If the Assertion is incorrect but the Reason is correct.
Question. Assertion: The regulation of RBC production is accomplished by FSH.
Reason: Erythropoietin hormone circulates to red bone marrow where it increases stem cell mitosis and speed up development of RBCs.
Answer. E
Question. Assertion : Diabetes insipidus is marked by excessive urination and too much thirst of water.
Reason : Anti-diuretic hormone (ADH) is secreted by the posterior lobe of pituitary gland.
Answer. B
Question. Assertion : Our body secretes adrenaline in intense cold.
Reason : Adrenaline raises metabolic rate.
Answer. A
Please click the link below to download CBSE Class 11 Biology Chemical Coordination and Integration Worksheet Set A
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| CBSE Class 11 Locomotion and Movement Worksheet A |
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Important Practice Resources for Class 11 Biology
Chapter 19 Chemical Coordination and Integration CBSE Class 11 Biology Worksheet
Students can use the Chapter 19 Chemical Coordination and Integration 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 19 Chemical Coordination and Integration
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.
You can download the teacher-verified PDF for CBSE Class 11 Biology Chemical Coordination and Integration Worksheet Set A from StudiesToday.com. These practice sheets for Class 11 Biology are designed as per the latest CBSE academic session.
Yes, our CBSE Class 11 Biology Chemical Coordination and Integration Worksheet Set A includes a variety of questions like Case-based studies, Assertion-Reasoning, and MCQs as per the 50% competency-based weightage in the latest curriculum for Class 11.
Yes, we have provided detailed solutions for CBSE Class 11 Biology Chemical Coordination and Integration Worksheet Set A to help Class 11 and follow the official CBSE marking scheme.
Daily practice with these Biology worksheets helps in identifying understanding gaps. It also improves question solving speed and ensures that Class 11 students get more marks in CBSE exams.
All our Class 11 Biology practice test papers and worksheets are available for free download in mobile-friendly PDF format. You can access CBSE Class 11 Biology Chemical Coordination and Integration Worksheet Set A without any registration.