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NCERT solutions for बायोलॉजी [अंग्रेजी] कक्षा १२ chapter 1 - Reproduction in Organisms [Latest edition]

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NCERT solutions for बायोलॉजी [अंग्रेजी] कक्षा १२ chapter 1 - Reproduction in Organisms - Shaalaa.com
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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 बायोलॉजी [अंग्रेजी] कक्षा १२.


Exercises
Exercises [Pages 17 - 18]

NCERT solutions for बायोलॉजी [अंग्रेजी] कक्षा १२ 1 Reproduction in Organisms Exercises [Pages 17 - 18]

1Page 17

Why is reproduction essential for organisms?

2Page 17

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

3Page 17

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

4Page 17

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

5Page 17

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

6Page 17

Distinguish between asexual and sexual reproduction.

7Page 18

Give two suitable examples of vegetative propagation.

8.1Page 18

Define Juvenile phase.

8.2Page 18

Define reproductive phase.

8.3Page 18

Define senescent phase.

9Page 18

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

10Page 18

Explain why meiosis and gametogenesis are always interlinked?

11Page 18

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

  1. Ovary
  2. Anther
  3. Egg
  4. Pollen
  5. Male gamete
  6. Zygote
13Page 18

Differentiate between a zoospore and a zygote.

14Page 18

Differentiate between gametogenesis from embryogenesis.

15Page 18

Describe the post-fertilization changes in a flower.

16Page 18

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

16.1Page 18

What is a bisexual flower?

17Page 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?

18Page 18

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

Solutions for 1: Reproduction in Organisms

Exercises
NCERT solutions for बायोलॉजी [अंग्रेजी] कक्षा १२ chapter 1 - Reproduction in Organisms - Shaalaa.com

NCERT solutions for बायोलॉजी [अंग्रेजी] कक्षा १२ chapter 1 - Reproduction in Organisms

Shaalaa.com has the CBSE, Karnataka Board PUC Mathematics बायोलॉजी [अंग्रेजी] कक्षा १२ 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 बायोलॉजी [अंग्रेजी] कक्षा १२ 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.

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

Concepts covered in बायोलॉजी [अंग्रेजी] कक्षा १२ chapter 1 Reproduction in Organisms are Flower, Pre-fertilisation in Flowering Plant: Structures and Events, Structure and Development of Anther, Microsporogenesis, Structure and Development of Male Gametophyte, Pollen Viability and Storage, Structure and Development of Ovule, Megasporogenesis, Development of Female Gametophyte or Embryo Sac, Pollination, Autogamy, Geitonogamy, Agents of Pollination, Anemophily, Hydrophily, Animal-Mediated Pollination (Zoophily), Outbreeding Devices, Pollen Pistil Interaction, Artificial Hybridization or Artificial Fertilization, Double Fertilization and Triple Fusion, Events in Sexual Reproduction > Post-Fertilization Structures and Events, Endosperm, Embryo, The Seed, Apomixis, Polyembryony, Cross-pollination.

Using NCERT बायोलॉजी [अंग्रेजी] कक्षा १२ 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 बायोलॉजी [अंग्रेजी] कक्षा १२ students prefer NCERT Textbook Solutions to score more in exams.

Get the free view of Chapter 1, Reproduction in Organisms बायोलॉजी [अंग्रेजी] कक्षा १२ additional questions for Mathematics बायोलॉजी [अंग्रेजी] कक्षा १२ CBSE, Karnataka Board PUC, and you can use Shaalaa.com to keep it handy for your exam preparation.

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