Online Mock Tests
Chapter 2: Sexual Reproduction in Flowering Plants
Chapter 3: Human Reproduction
Chapter 4: Reproductive Health
Chapter 5: Principles of Inheritance and Variation
Chapter 6: Molecular Basis of Inheritance
Chapter 7: Evolution
Chapter 8: Human Health and Disease
Chapter 9: Strategies for Enhancement in Food Production
Chapter 10: Microbes in Human Welfare
Chapter 11: Biotechnology : Principles and Processes
Chapter 12: Biotechnology and its Applications
Chapter 13: Organisms and Populations
Chapter 14: Ecosystem
Chapter 15: Biodiversity and Conservation
Chapter 16: Environmental Issues
Chapter 1: Reproduction in Organisms
NCERT solutions for Class 12 Biology Chapter 1 Reproduction in Organisms Exercises [Pages 17 - 18]
Why is reproduction essential for organisms?
Which is a better mode of reproduction sexual or asexual? Why?
Why is the offspring formed by asexual reproduction referred to as clones?
Offspring formed due to sexual reproduction have better chances of survival. Why? Is this statement always true?
How does the progeny formed from asexual reproduction differ from those formed by sexual reproduction?
Distinguish between asexual and sexual reproduction
Give two suitable examples of vegetative propagation
Define Juvenile phase,
Define Reproductive phase
Define Senescent phase.
Higher organisms have resorted to sexual reproduction in spite of its complexity. Why?
Explain why meiosis and gametogenesis are always interlinked?
Identify each part in a flowering plant and write whether it is haploid (n) or diploid (2n).
Male gamete ———————————
Differentiate between a zoospore and a zygote.
Differentiate between gametogenesis from embryogenesis.
Describe the post-fertilization changes in a flower.
Collect five bisexual flowers from your neighborhood and with the help of your teacher find out their common and scientific names.
What is a bisexual flower?
Examine a few flowers of any cucurbit plant and try to identify the staminate and pistillate flowers. Do you know any other plant that bears unisexual flowers?
Why are offspring of oviparous animals at a greater risk as compared to offspring of viviparous animals?
Chapter 1: Reproduction in Organisms
NCERT solutions for Class 12 Biology chapter 1 - Reproduction in Organisms
NCERT solutions for Class 12 Biology chapter 1 (Reproduction in Organisms) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CBSE Class 12 Biology solutions in a manner that help students grasp basic concepts better and faster.
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Concepts covered in Class 12 Biology chapter 1 Reproduction in Organisms are Pre-fertilisation Events in Organisms, Sexual Reproduction, Fertilisation in Organisms, Types of Reproduction, Asexual Reproduction, Post-fertilisation Events in Organisms, Reproduction in Organisms, Maximum Life Span of Organisms, Life Span of Organisms, Different Phases in Sexual Reproduction, Events in Sexual Reproduction in Organisms, Asexual Reproduction in Plant, Asexual Reproduction in Animal, Budding, Vegetative Reproduction, Natural Vegetative Reproduction, Artificial Vegetative Reproduction, Artificial Vegetative Reproduction - Conventional Method, Artificial Vegetative Reproduction - Modern Method, Fission, Budding, Sporulation (Sporogenesis), Fragmentation.
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