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NCERT solutions for Biology Part 1 and 2 [English] Class 12 chapter 2 - Sexual Reproduction in Flowering Plants [Latest edition]

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NCERT solutions for Biology Part 1 and 2 [English] Class 12 chapter 2 - Sexual Reproduction in Flowering Plants - Shaalaa.com
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Solutions for Chapter 2: Sexual Reproduction in Flowering Plants

Below listed, you can find solutions for Chapter 2 of CBSE, Karnataka Board PUC NCERT for Biology Part 1 and 2 [English] Class 12.


EXERCISES
EXERCISES [Pages 39 - 40]

NCERT solutions for Biology Part 1 and 2 [English] Class 12 2 Sexual Reproduction in Flowering Plants EXERCISES [Pages 39 - 40]

Fill in the blanks:

EXERCISES | Q 1. (a) | Page 39

Humans reproduce ______.

  • asexually

  • sexually

EXERCISES | Q 1. (b) | Page 39

Humans are ______.

  • oviparous

  • viviparous

  • ovoviviparous

EXERCISES | Q 1. (c) | Page 39

Fertilisation is ______ in humans.

  • external

  • internal

EXERCISES | Q 1. (d) | Page 39

Male and female gametes are ______.

  • diploid

  • haploid

EXERCISES | Q 1. (e) | Page 39

Zygote is ______.

  • diploid

  • haploid

EXERCISES | Q 1. (f) | Page 40

The process of release of the ovum from a mature follicle is called ______.

EXERCISES | Q 1. (g) | Page 40

Ovulation is induced by a hormone called ______.

EXERCISES | Q 1. (h) | Page 40

The fusion of the male and the female gametes is called ______.

EXERCISES | Q 1. (i) | Page 40

Fertilisation takes place in ______.

EXERCISES | Q 1. (j) | Page 40

The zygote divides to form ______, which is implanted in the uterus.

EXERCISES | Q 1. (k) | Page 40

The structure which provides vascular connection between the foetus and uterus is called ______.

EXERCISES | Q 2. | Page 40

Draw a labelled diagram of the male reproductive system.

EXERCISES | Q 3. | Page 40

Draw a labelled diagram of the female reproductive system.

EXERCISES | Q 4. (i) | Page 40

Write two major functions of testis.

EXERCISES | Q 4. (ii) | Page 40

Write two major functions of ovary.

EXERCISES | Q 5. | Page 40

Describe the structure of a seminiferous tubule.

EXERCISES | Q 6. (i) | Page 40

What is spermatogenesis?

EXERCISES | Q 6. (ii) | Page 40

Briefly describe the process of spermatogenesis.

EXERCISES | Q 7. | Page 40

Name the hormones involved in regulation of spermatogenesis.

EXERCISES | Q 8. (i) | Page 40

Define spermiogenesis.

EXERCISES | Q 8. (ii) | Page 40

Define spermiation.

EXERCISES | Q 9. | Page 40

Draw a labelled diagram of sperm.

EXERCISES | Q 10. | Page 40

What are the major components of seminal plasma?

EXERCISES | Q 11. | Page 40

What are the major functions of male accessory ducts and glands?

EXERCISES | Q 12. (i) | Page 40

What is oogenesis?

EXERCISES | Q 12. (ii) | Page 40

Give a brief account of oogenesis.

EXERCISES | Q 13. | Page 40

Draw a labelled diagram of a section through the ovary.

EXERCISES | Q 14. | Page 40

Draw a labelled diagram of a Graafian Follicle.

EXERCISES | Q 15. (a) | Page 40

Name the function of the following:

Corpus luteum

EXERCISES | Q 15. (b) | Page 40

Name the function of the following:

Endometrium

EXERCISES | Q 15. (c) | Page 40

Name the functions - Acrosome of sperm.

EXERCISES | Q 15. (d) | Page 40

Name the function of the following:

Sperm tail

EXERCISES | Q 15. (e) | Page 40

Name the function of the following:

Fimbriae

EXERCISES | Q 16. (a) | Page 40

Identify True/False statement. Correct false statement to make it true.

Androgens are produced by Sertoli cells.

EXERCISES | Q 16. (b) | Page 40

Identify True/False statement. Correct false statement to make it true.

Spermatozoa get nutrition from Sertoli cells.

EXERCISES | Q 16. (c) | Page 40

Identify True/False statement. Correct the false statement to make it true.

Leydig cells are found in the ovary.

EXERCISES | Q 16. (d) | Page 40

Identify True/False statement. Correct false statement to make it true.

Leydig cells synthesise androgens.

EXERCISES | Q 16. (e) | Page 40

Identify True/False statement. Correct the false statement to make it true.

Oogenesis takes place in the corpus luteum.

  • True

  • False

EXERCISES | Q 16. (f) | Page 40

Identify True/False statement. Correct false statement to make it true.

Menstrual cycle ceases during pregnancy.

EXERCISES | Q 16. (g) | Page 40

Identify True/False statement. Correct false statement to make it true.

Presence or absence of hymen is not a reliable indicator of virginity or sexual experience.

EXERCISES | Q 17. (i) | Page 40

What is menstrual cycle?

EXERCISES | Q 17. (ii) | Page 40

Which hormones regulate menstrual cycle?

EXERCISES | Q 18. (i) | Page 40

What is parturition?

EXERCISES | Q 18. (ii) | Page 40

Which hormones are involved in the induction of parturition?

EXERCISES | Q 19. | Page 40

In our society the women are often blamed for giving birth to daughters. Can you explain why this is not correct?

EXERCISES | Q 20. | Page 40

How many eggs are released by a human ovary in a month? How many eggs do you think would have been released if the mother gave birth to identical twins? Would your answer change if the twins born were fraternal?

EXERCISES | Q 21. | Page 40

How many eggs do you think were released by the ovary of a female dog which gave birth to 6 puppies?

Solutions for 2: Sexual Reproduction in Flowering Plants

EXERCISES
NCERT solutions for Biology Part 1 and 2 [English] Class 12 chapter 2 - Sexual Reproduction in Flowering Plants - Shaalaa.com

NCERT solutions for Biology Part 1 and 2 [English] Class 12 chapter 2 - Sexual Reproduction in Flowering Plants

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 2 (Sexual Reproduction in Flowering Plants) 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 Biology Part 1 and 2 [English] Class 12 chapter 2 Sexual Reproduction in Flowering Plants 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), Overview of The Male Reproductive System, Overview of The Female Reproductive System, Overview of Gametogenesis, Structure of Sperms, Oogenesis, Menstrual Cycle (Ovarian Cycle), Major Events of Menstrual Cycle, Menstrual Hygiene, Pregnancy and Embryonic Development, Human Reproduction, Fertilization in Human, Parturition (Birth) in Human, Implantation in Human, Lactation in Human.

Using NCERT Biology Part 1 and 2 [English] Class 12 solutions Sexual Reproduction in Flowering Plants 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.

Get the free view of Chapter 2, Sexual Reproduction in Flowering Plants Biology Part 1 and 2 [English] Class 12 additional questions for Mathematics Biology Part 1 and 2 [English] Class 12 CBSE, Karnataka Board PUC, and you can use Shaalaa.com to keep it handy for your exam preparation.

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