CBSE Class 12 Biology Reproduction In Organisms Worksheet Set E

Access the latest CBSE Class 12 Biology Reproduction In Organisms Worksheet Set E. We have provided free printable Class 12 Biology worksheets in PDF format, specifically designed for Chapter 1 Reproduction in Organisms. These practice sets are prepared by expert teachers following the 2025-26 syllabus and exam patterns issued by CBSE, NCERT, and KVS.

Chapter 1 Reproduction in Organisms Biology Practice Worksheet for Class 12

Students should use these Class 12 Biology chapter-wise worksheets for daily practice to improve their conceptual understanding. This detailed test papers include important questions and solutions for Chapter 1 Reproduction in Organisms, to help you prepare for school tests and final examination. Regular practice of these Class 12 Biology questions will help improve your problem-solving speed and exam accuracy for the 2026 session.

Download Class 12 Biology Chapter 1 Reproduction in Organisms Worksheet PDF

 

TOPIC : REPRODUC TION IN ORGANISMS
 
1. Define a) life span  b) clone. 
 
2. Identify the asexual reproductive structures in the following organisms
a) Algae     b) Penicillium   c) Hydra     d) Sponge
 
3. Name the vegetative propagules of
a) Potato   b) Ginger         c) Agave    d) Bryophyllum    e) Water hyacinth
 
4. Amoeba is called immortal. Justify.
 
5. In yeast and Amoeba the parent cell divides to give rise to two new individual cells. How does the cell division differ in these two organisms?
 
6. What are gemmules? Name the organisms which produce gemmules. 
 
7. Which plant is known as ‘Terror of Bengal’? Why?
 
8. Mention the site where syngamy occurs in amphibian and reptiles respectively. 
 
9. Vegetative propagation is considered as a type of asexual reproduction. Give reason. 
 
10. Algae and fungi shift to sexual method of reproduction just before the onset of adverse conditions. Give reason.
 
11. What is Juvenile phase? How is it referred to as in plants?
 
12. Name two plants showing unusual flowering phenomenon. 
 
13. Differentiate between oestrous cycle and menstrual cycle.
 
14. Mention the events of sexual reproduction. 
 
15. A moss plant produces a large number of antherozoids but relatively only a few egg cells. Why? 
 
16. Differentiate between unisexual and bisexual organisms. 
 
17. Name the phenomenon and one bird where the female gamete directly develops into a new organism.
 
18. Define: a) Parthenocarpy
b) Parthenogenesis
 
19. Differentiate between external and internal fertilization. 
 
20. Explain a) Gametogenesis
b) Embryogenesis
 
21. Describe the post fertilization changes occurring in a flower.

 

Please click on below link to download CBSE Class 12 Biology Reproduction In Organisms Worksheet Set A

Chapter 1 Reproduction in Organisms CBSE Class 12 Biology Worksheet

Students can use the Chapter 1 Reproduction in Organisms practice sheet provided above to prepare for their upcoming school tests. This solved questions and answers follow the latest CBSE syllabus for Class 12 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 1 Reproduction in Organisms

Our expert team has used the official NCERT book for Class 12 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 12, students should try the Biology MCQ Test for this chapter. We have also provided printable assignments for Class 12 Biology on our website. Regular practice will help you feel more confident and get higher marks in CBSE examinations.

Where can I download the latest PDF for CBSE Class 12 Biology Reproduction In Organisms Worksheet Set E?

You can download the teacher-verified PDF for CBSE Class 12 Biology Reproduction In Organisms Worksheet Set E from StudiesToday.com. These practice sheets for Class 12 Biology are designed as per the latest CBSE academic session.

Are these Biology Class 12 worksheets based on the 2026 competency-based pattern?

Yes, our CBSE Class 12 Biology Reproduction In Organisms Worksheet Set E 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 12.

Do you provide solved answers for CBSE Class 12 Biology Reproduction In Organisms Worksheet Set E?

Yes, we have provided detailed solutions for CBSE Class 12 Biology Reproduction In Organisms Worksheet Set E to help Class 12 and follow the official CBSE marking scheme.

How does solving CBSE Class 12 Biology Reproduction In Organisms Worksheet Set E help in exam preparation?

Daily practice with these Biology worksheets helps in identifying understanding gaps. It also improves question solving speed and ensures that Class 12 students get more marks in CBSE exams.

Is there any charge for the Class 12 Biology practice test papers?

All our Class 12 Biology practice test papers and worksheets are available for free download in mobile-friendly PDF format. You can access CBSE Class 12 Biology Reproduction In Organisms Worksheet Set E without any registration.