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Online Mock Tests
Chapters
▶ 1: Reproduction in Organisms
2: Sexual Reproduction in Flowering Plants
3: Human Reproduction
4: Reproductive Health
UNIT VII : GENETICS AND EVOLUTION
5: Principles of Inheritance and Variation
6: Molecular Basis of Inheritance
7: Evolution
UNIT IX : BIOTECHNOLOGY
8: Human Health and Disease
9: Strategies for Enhancement in Food Production
10: Microbes in Human Welfare
UNIT IX : BIOLOGY IN HUMAN WELFARE
11: Biotechnology : Principles and Processes
12: Biotechnology and its Applications
UNIT X : ECOLOGY
13: Organisms and Populations
Chapter 14: Ecosystem
Chapter 15: Biodiversity and Conservation
Chapter 16: Environmental Issues
![NCERT solutions for Biology Part 1 and 2 [English] Class 12 chapter 1 - Reproduction in Organisms - Shaalaa.com](/images/biology-part-1-and-2-english-class-12_6:b1f8befaad564f848198c61748124f91.jpg "NCERT solutions for Biology Part 1 and 2 [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 Part 1 and 2 [English] Class 12.
NCERT solutions for Biology Part 1 and 2 [English] Class 12 1 Reproduction in Organisms EXERCISES [Pages 24 - 25]
Name the parts of an angiosperm flower in which development of male and female gametophytes takes place.
Differentiate between microsporogenesis and megasporogenesis.
What type of cell division occurs during microsporogenesis and megasporogenesis events?
Name the structures formed at the end of microsporogenesis and megasporogenesis events.
Arrange the following terms in the correct developmental sequence:
Pollen grain, sporogenous tissue, microspore tetrad, pollen mother cell, male gametes.
With a neat, labelled diagram, describe the parts of a typical angiosperm ovule.
What is meant by monosporic development of the female gametophyte?
With a neat diagram, explain the 7-celled, 8-nucleate nature of the female gametophyte.
What are chasmogamous flowers?
Can cross-pollination occur in cleistogamous flowers? Give reason for your answer.
Mention two strategies that evolved to prevent self-pollination in flowers.
What is self-incompatibility?
Why does self-pollination not lead to seed formation in self-incompatible species?
What is the bagging technique?
How is the bagging technique useful in a plant breeding programme?
What is triple fusion?
Where and how does triple fusion take place?
Name the nuclei involved in triple fusion.
Why do you think the zygote is dormant for sometime in a fertilised ovule?
Differentiate between hypocotyl and epicotyl.
Differentiate between coleoptile and coleorhiza.
Differentiate between integument and testa.
Differentiate between perisperm and pericarp.
Why is apple called a false fruit? Which part(s) of the flower forms the fruit?
What is meant by emasculation?
When and why does a plant breeder employ the emasculation technique?
If one can induce parthenocarpy through the application of growth substances, which fruits would you select to induce parthenocarpy and why?
Explain the role of the tapetum in the formation of the pollen-grain wall.
What is apomixis?
What is the importance of apomixis?
Solutions for 1: Reproduction in Organisms
NCERT solutions for Biology Part 1 and 2 [English] Class 12 chapter 1 - Reproduction in Organisms
Shaalaa.com has the CBSE, Karnataka Board PUC Mathematics Biology Part 1 and 2 [English] Class 12 CBSE, Karnataka Board PUC solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. NCERT solutions for Mathematics Biology Part 1 and 2 [English] Class 12 CBSE, Karnataka Board PUC 1 (Reproduction in Organisms) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
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Concepts covered in Biology Part 1 and 2 [English] Class 12 chapter 1 Reproduction in Organisms are Flower - a Fascinating Organ of Angiosperms, Pre-fertilisation in Flowering Plant: Structures and Events, Structure and Development of Anther, Microsporogenesis, Structure and Development of Male Gametophyte, Pollen Products, Structure and Development of Ovule, Megasporogenesis, Development of Female Gametophyte or Embryo Sac, Pollination, Autogamy, Geitonogamy, Xenogamy, Agents of Pollination, Anemophily, Outbreeding Devices, Pollen Pistil Interaction, Artificial Hybridization or Artificial Fertilization, Double Fertilization and Triple Fusion, Post-fertilization Events, Endosperm, Embryo, The Seed, Apomixis, Polyembryony, Hydrophily, Animal-Mediated Pollination (Zoophily).
Using NCERT Biology Part 1 and 2 [English] Class 12 solutions Reproduction in Organisms exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in NCERT Solutions are essential questions that can be asked in the final exam. Maximum CBSE, Karnataka Board PUC Biology Part 1 and 2 [English] Class 12 students prefer NCERT Textbook Solutions to score more in exams.
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