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NCERT solutions for Class 12 Biology chapter 2 - Sexual Reproduction in Flowering Plants

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NCERT Biology Class 12

Biology Textbook for Class 12 - Shaalaa.com

Chapter 2: Sexual Reproduction in Flowering Plants

Chapter 2: Sexual Reproduction in Flowering Plants solutions [Pages 40 - 41]

Q 1 | Page 40

Name the parts of an angiosperm flower in which development of male and female gametophyte take place

Q 2.1 | Page 40

Differentiate between microsporogenesis and megasporogenesis

Q 2.2 | Page 40

Which type of cell division occurs during these events (microsporogenesis and megasporogenesis) ?

Q 3 | Page 40

Arrange the following terms in the correct developmental sequence:

Pollen grain, sporogenous tissue, microspore tetrad, pollen mother cell, male gametes

Q 4 | Page 40

With a neat, labelled diagram, describe the parts of a typical angiosperm ovule.

Q 5 | Page 40

What is meant by monosporic development of female gametophyte?

Q 6 | Page 40

With a neat diagram explain the 7-celled, 8-nucleate nature of the female gametophyte.

Q 7.1 | Page 41

What are chasmogamous flowers?

Q 7.2 | Page 41

Can cross-pollination occur in cleistogamous flowers? Give reasons for your answer.

Q 8 | Page 41

Mention two strategies evolved to prevent self-pollination in flowers.

Q 9.1 | Page 41

What is self-incompatibility?

Q 9.2 | Page 41

Why does self-pollination not lead to seed formation in self-incompatible species?

Q 10 | Page 41

What is bagging technique? How is it useful in a plant breeding programme?

Q 11.1 | Page 41

What is triple fusion?

Q 11.2 | Page 41

Where and how does triple fusion take place? Name the nuclei involved in triple fusion

Q 12 | Page 41

Why do you think the zygote is dormant for sometime in a fertilized ovule?

Q 13.1 | Page 41

Differentiate between Hypocotyl and epicotyl

Q 13.2 | Page 41

Differentiate between Coleoptile and coleorrhiza;

Q 13.3 | Page 41

Differentiate between Integument and testa;

Q 13.4 | Page 41

Differentiate between Perisperm and pericarp

Q 14 | Page 41

Why is apple called a false fruit? Which part(s) of the flower forms the fruit?

Q 15 | Page 41

What is meant by emasculation? When and why does a plant breeder employ this technique?

Q 16 | Page 41

If one can induce parthenocarpy through the application of growth substances, which fruits would you select to induce parthenocarpy and why?

Q 17 | Page 41

Explain the role of tapetum in the formation pollen-grain wall.

Q 18 | Page 41

What is apomixis and what is its importance?

Chapter 2: Sexual Reproduction in Flowering Plants

NCERT Biology Class 12

Biology Textbook for Class 12 - Shaalaa.com

NCERT solutions for Class 12 Biology chapter 2 - Sexual Reproduction in Flowering Plants

NCERT solutions for Class 12 Biology chapter 2 (Sexual Reproduction in Flowering Plants) 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 Biology Textbook for Class 12 solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. NCERT textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Class 12 Biology chapter 2 Sexual Reproduction in Flowering Plants are Flower – a Fascinating Organ of Angiosperms, Development of Male Gametophytes, Development of Female Gametophytes, Pollination, Double Fertilisation, Endosperm, Apomixis And Polyembryony, Significance of Seed Dispersal and Fruit Formation, Stamen, Microsporangium and Pollen Grain, The Pistil, Megasporangium (Ovule) and Embryo Sac, Introduction of Sexual Reproduction in Flowering Plants, Artificial Hybridization, Sexual Reproduction in Flowering Plants (Questions), Embryo, Seed.

Using NCERT Class 12 solutions Sexual Reproduction in Flowering Plants exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in NCERT Solutions are important questions that can be asked in the final exam. Maximum students of CBSE Class 12 prefer NCERT Textbook Solutions to score more in exam.

Get the free view of chapter 2 Sexual Reproduction in Flowering Plants Class 12 extra questions for Biology and can use Shaalaa.com to keep it handy for your exam preparation

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