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Chapters
2: Sexual Reproduction in Flowering Plants
3: Human Reproduction
4: Reproductive Health
5: Principles of Inheritance and Variation
6: Molecular Basis of Inheritance
7: Evolution
8: Human Health and Disease
9: Strategies for Enhancement in Food Production
10: Microbes in Human Welfare
11: Biotechnology : Principles and Processes
12: Biotechnology and its Applications
13: Organisms and Populations
14: Ecosystem
15: Biodiversity and Conservation
16: Environmental Issues
![NCERT solutions for Biology [English] Class 12 chapter 1 - Reproduction in Organisms - Shaalaa.com](/images/9788174506399-biology-english-class-12_6:7651503646404bfa983e02ffc9144f8b.jpg "NCERT solutions for Biology [English] Class 12 chapter 1 - Reproduction in Organisms")
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Solutions for Chapter 1: Reproduction in Organisms
Below listed, you can find solutions for Chapter 1 of CBSE, Karnataka Board PUC NCERT for Biology [English] Class 12.
NCERT solutions for Biology [English] Class 12 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).
Ovary ———————————
Anther ———————————
Egg ———————————
Pollen ———————————
Male gamete ———————————
Zygote ———————————
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?
Solutions for 1: Reproduction in Organisms
NCERT solutions for Biology [English] Class 12 chapter 1 - Reproduction in Organisms
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Concepts covered in Biology [English] Class 12 chapter 1 Reproduction in Organisms are Pre-fertilisation Events in Organisms, Sexual Reproduction in Animals, Fertilisation in Organisms, Post-fertilisation Events in Organisms, Reproduction in Organisms, Types of Reproduction, Asexual Reproduction, Life Span of Organisms, Maximum Life Span of Organisms, Different Phases in Sexual Reproduction, Asexual Reproduction in Plant, Asexual Reproduction in Animal, Budding, Vegetative Reproduction, Natural Vegetative Reproduction, Artificial Vegetative Reproduction, Fission, Budding, Sporulation (Sporogenesis), Fragmentation, Artificial Vegetative Reproduction, Artificial Vegetative Reproduction, Sexual Reproduction in Animals.
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