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NCERT solutions for Class 12 Biology chapter 1 - Reproduction in Organisms

Biology Textbook for Class 12

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NCERT Biology Class 12

Biology Textbook for Class 12

Chapter 1 - Reproduction in Organisms

Page 17

Q 1 | Page 17

Why is reproduction essential for organisms?

Pages 17 - 18

Q 2 | Page 17

Which is a better mode of reproduction sexual or asexual? Why?

Q 3 | Page 17

Why is the offspring formed by asexual reproduction referred to as clone?

Q 4 | Page 17

Offspring formed due to sexual reproduction have better chances of survival. Why? Is this statement always true?

Q 5 | Page 17

How does the progeny formed from asexual reproduction differ from those formed by sexual reproduction?

Q 6 | Page 17

Distinguish between asexual and sexual reproduction

Q 7 | Page 18

Give two suitable examples of vegetative propagation

Q 8.1 | Page 18

Define Juvenile phase,

Q 8.2 | Page 18

Define Reproductive phase

Q 8.3 | Page 18

Define Senescent phase.

Q 9 | Page 18

Higher organisms have resorted to sexual reproduction in spite of its complexity. Why?

Q 10 | Page 18

Explain why meiosis and gametogenesis are always interlinked?

Q 11 | Page 18

Identify each part in a flowering plant and write whether it is haploid (n) or diploid (2n).

Ovary ———————————

Anther ———————————

Egg ———————————

Pollen ———————————

Male gamete ———————————

Zygote ———————————

Q 13 | Page 18

Differentiate between a zoospore and a zygote.

Q 14 | Page 18

Differentiate between gametogenesis from embryogenesis.

Q 15 | Page 18

Describe the post-fertilization changes in a flower.

Q 16 | Page 18

Collect five bisexual flowers from your neighborhood and with the help of your teacher find out their common and scientific names.

Q 16.1 | Page 18

What is a bisexual flower?

Q 17 | Page 18

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?

Q 18 | Page 18

Why are offspring of oviparous animals at a greater risk as compared to offspring of viviparous animals?

NCERT Biology Class 12

Biology Textbook for Class 12

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 from Biology Textbook for Class 12. 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. has created the CBSE Biology Textbook for Class 12 solutions in a manner that help students grasp basic concepts better and faster.

Further, we at are providing such solutions so that students can prepare for written exams. These 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 1 Reproduction in Organisms are Modes of Reproduction, Asexual Reproduction, Introduction of Reproduction in Organisms, Pre-fertilisation Events - Gametogenesis, Introduction of Sexual Reproduction, Reproduction in Organisms (Questions), Pre-fertilisation Events - Gamete Transfer, Fertilisation, Post-fertilisation Events - the Zygote, Post-fertilisation Events - Embryogenesis.

Using NCERT solutions for Class 12 Biology 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.

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