NCERT Solutions for Class 12 Biology Sexual reproduction in flowering plants

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NCERT Solutions for Class 12 Biology Sexual reproduction in flowering plants Class 12 Biology book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE board exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. Class 12 Biology chapter wise NCERT solution for Biology all the chapters can be downloaded from our website and myCBSEguide mobile app for free.

Download NCERT solutions for Sexual reproduction in flowering plants as PDF.

NCERT Solutions for Class 12 Biology Environmental issues

NCERT Class 12 Biology Chapter wise Solutions

  • 1 – Reproduction in Organism
  • 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 Class 12 Biology Sexual reproduction in flowering plants

1. Name the parts of an angiosperm flower in which development of male and female gametophyte take place.
2. Differentiate between microsporogenesis and megasporogenesis. Which type of cell division occurs during these events? Name the structures formed at the end of these two events.
3. Arrange the following terms in the correct developmental sequence:
Pollen grain, sporogenous tissue, microspore tetrad, pollen mother cell, male gametes
4. With a neat, labelled diagram, describe the parts of a typical angiosperm ovule.
5. What is meant by monosporic development of female gametophyte?
6. With a neat diagram explain the 7-celled, 8-nucleate nature of the female gametophyte.
7. What are chasmogamous flowers? Can cross-pollination occur in cleistogamous flowers? Give reasons for your answer.
8. Mention two strategies evolved to prevent self-pollination in flowers.
9. What is self-incompatibility? Why does self-pollination not lead to seed formation in self-incompatible species?
10. What is bagging technique? How is it useful in a plant breeding programme?
11. What is triple fusion? Where and how does it take place? Name the nuclei involved in triple fusion.
12. Why do you think the zygote is dormant for sometime in a fertilized ovule?
13. Differentiate between:
(a) Hypocotyl and epicotyl;
(b) Coleoptile and coleorrhiza;
(c) Integument and testa;
(d) Perisperm and pericarp.
14. Why is apple called a false fruit? Which part(s) of the flower forms the fruit?
15. What is meant by emasculation? When and why does a plant breeder employ this technique?
16. If one can induce parthenocarpy through the application of growth substances, which fruits would you select to induce parthenocarpy and why?
17. Explain the role of tapetum in the formation pollen-grain wall.
18. What is apomixis and what is its importance?

NCERT Solutions for Class 12 Biology

NCERT Solutions Class 12 Biology PDF (Download) Free from myCBSEguide app and myCBSEguide website. Ncert solution class 12 Biology includes text book solutions from Biology Book. NCERT Solutions for CBSE Class 12 Biology have total 16 chapters. 12 Biology NCERT Solutions in PDF for free Download on our website. Ncert Biology class 12 solutions PDF and Biology ncert class 12 PDF solutions with latest modifications and as per the latest CBSE syllabus are only available in myCBSEguide

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