CBSE Class 12 Biology Reproduction In Organisms Worksheet Set A

CBSE Class 12 Biology Reproduction in Organisms. CBSE issues sample papers every year for students for class 12 board exams. Students should solve the CBSE issued sample papers to understand the pattern of the question paper which will come in class 12 board exams this year. The sample papers have been provided with marking scheme. It’s always recommended to practice as many CBSE sample papers as possible before the board examinations. Sample papers should be always practiced in examination condition at home or school and the student should show the answers to teachers for checking or compare with the answers provided. Students can download the sample papers in pdf format free and score better marks in examinations. Refer to other links too for latest sample papers.

1. Name the type of cell division that takes place in the zygote of an organism exhibiting haplontic life cycle.

2. Mention the unique feature with respect to flowering and fruiting in bamboo species.

3. What is meant by juvenile phase?

4. Identify the picture and mention the vegetative part that helps it to propagate.

Class_12_Biology _Worksheet_1

5. Mention the site where syngamy occurs in amphibian and reptiles respectively.

6. Name an organism where cell division is itself a mode of reproduction.

7. 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?

8. A moss plant produces a large number of antherozoids but relatively only a few egg cells. Why?

9. Vegetative propagation is considered as a type of asexual reproduction. Give reason.

10. Differentiate between unisexual and bisexual organisms.

11. Name the phenomenon and one bird where the female gamete directly develops into a new organism.

12. Define: a) Parthenocarpy

b) parthenogenesis

13. Differentiate between external and internal fertilization.

14. Explain a) gametogenesis

b) embryogenesis

15. Describe the post fertilization changes occurring in a flower.

16. What are gemmules? Name the organisms which produce gemmules.

Please click the link below to download full pdf file for CBSE Class 12 Biology Reproduction in Organisms.



Click to View or Download pdf file
Click for more Biology Study Material

Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

National Online Painting Championship

The National Mission for Clean Ganga, Ministry of Jal Shakti in collaboration with Kalantar Art Trust is organizing KALANTAR-2020: National Online Painting Championship with the aim to provide a platform to youth and school children to demonstrate their artistic skills...

NEP Transforming India Quiz

As a part of Shikshak Parv celebration, an online quiz competition on National Education Policy 2020 will be organized by the Ministry of Education, Govt. of India, from 5 th September to 25th September 2020 in order to create awareness about NEP among all stakeholders...

TERI Green Olympiad 2020

Green Olympiad is a value driven project conducted by TERI (The Energy and Resources Institute) for school students annually since 1999. This Olympiad assesses the environment quotient of students and also enhances their understanding on issues related to sustainable...

Online Teacher Training Course on Competency based Education in DIKSHA

Competency is a set of skills, abilities, knowledge that helps an individual perform a given task in real life. Every learning should go into the imbibing of these skills to lead a productive and joyful life. The NATIONAL EDUCATION POLICY-2020 calls for shift towards...

Revised SOP preventive measures followed while conducting examinations

Revised SOP on preventive measures to be followed while conducting examinations to contain spread of COVID-19 issued by Ministry of Health & Family Welfare Examination centres are frequented by large number of students (as well as their parents) and staff till the...

Conduct of the practical work during the lockdown

CBSE has advised schools to follow the Alternative Calendar developed by NCERT to continue education during the lockdown through alternative modes to achieve learning outcomes. Schools have reportedly started using these calendars and other prescribed pedagogical...

Studies Today