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Online Mock Tests
Chapters
1: Sexual Reproduction in Flowering Plants
▶ 2: Human Reproduction
3: Reproductive Health
UNIT VII : GENETICS AND EVOLUTION
4: Principles of Inheritance and Variation
5: Molecular Basis of Inheritance
6: Evolution
UNIT VIII : BIOLOGY IN HUMAN WELFARE
7: Human Health and Disease
8: Microbes in Human Welfare
UNIT IX : BIOTECHNOLOGY
9: Biotechnology : Principles and Processes
10: Biotechnology and its Applications
UNIT X : ECOLOGY
11: Organisms and Populations
12: Ecosystem
13: Biodiversity and Conservation
![NCERT solutions for Biology [English] Class 12 chapter 2 - Human Reproduction - Shaalaa.com](/images/biology-english-class-12_6:b1f8befaad564f848198c61748124f91.jpg "NCERT solutions for Biology [English] Class 12 chapter 2 - Human Reproduction")
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Solutions for Chapter 2: Human Reproduction
Below listed, you can find solutions for Chapter 2 of CBSE, Karnataka Board PUC NCERT for Biology [English] Class 12.
NCERT solutions for Biology [English] Class 12 2 Human Reproduction EXERCISES [Pages 39 - 40]
Fill in the blanks:
Humans reproduce ____________.
asexually
sexually
Humans are __________.
oviparous
viviparous
ovoviviparous
Fertilisation is __________ in humans.
external
internal
Male and female gametes are __________.
diploid
haploid
Zygote is __________.
diploid
haploid
The process of release of the ovum from a mature follicle is called __________.
Ovulation is induced by a hormone called __________.
The fusion of the male and the female gametes is called __________.
Fertilisation takes place in __________.
The zygote divides to form __________ which is implanted in uterus.
The structure which provides vascular connection between the foetus and uterus is called __________.
Draw a labelled diagram of male reproductive system.
Draw a labelled diagram of female reproductive system.
Write two major functions of testis.
Write two major functions of ovary.
Describe the structure of a seminiferous tubule.
What is spermatogenesis?
Briefly describe the process of spermatogenesis.
Name the hormones involved in regulation of spermatogenesis.
Define spermiogenesis.
Define spermiation.
Draw a labelled diagram of sperm.
What are the major components of seminal plasma?
What are the major functions of male accessory ducts and glands?
What is oogenesis? Give a brief account of oogenesis.
Draw a labelled diagram of a section through ovary.
Draw a labelled diagram of a Graafian Follicle.
Name the function of the following:
Corpus luteum
Name the function of the following:
Endometrium
Name the functions - Acrosome of sperm.
Name the function of the following:
Sperm tail
Name the function of the following:
Fimbriae
Identify True/False statement. Correct false statement to make it true.
Androgens are produced by Sertoli cells.
True
False
Identify True/False statement. Correct false statement to make it true.
Spermatozoa get nutrition from Sertoli cells.
True
False
Identify True/False statement. Correct false statement to make it true.
Leydig cells are found in ovary.
True
False
Identify True/False statement. Correct false statement to make it true.
Leydig cells synthesise androgens.
True
False
Identify True/False statement. Correct false statement to make it true.
Oogenesis takes place in corpus luteum.
True
False
Identify True/False statement. Correct false statement to make it true.
Menstrual cycle ceases during pregnancy.
True
False
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.
True
False
What is menstrual cycle?
Which hormones regulate menstrual cycle?
What is parturition? Which hormones are involved in induction of parturition?
In our society the women are often blamed for giving birth to daughters. Can you explain why this is not correct?
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?
How many eggs do you think were released by the ovary of a female dog which gave birth to 6 puppies?
Solutions for 2: Human Reproduction
NCERT solutions for Biology [English] Class 12 chapter 2 - Human Reproduction
Shaalaa.com has the CBSE, Karnataka Board PUC Mathematics Biology [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 [English] Class 12 CBSE, Karnataka Board PUC 2 (Human Reproduction) 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 [English] Class 12 chapter 2 Human Reproduction are The Male Reproductive System, Gametogenesis, Menstrual Cycle (Ovarian Cycle), Fertilization and Implantation, Pregnancy and Embryonic Development, Human Reproduction, The Female Reproductive System, Spermatogenesis, Oogenesis, Menstrual Hygiene, Parturition and Lactation, Embryo Development Upto Blastocyst Formation, The Male Reproductive System, Gametogenesis, Menstrual Cycle (Ovarian Cycle), Fertilization and Implantation, Pregnancy and Embryonic Development, Human Reproduction, The Female Reproductive System, Spermatogenesis, Oogenesis, Menstrual Hygiene, Parturition and Lactation, Embryo Development Upto Blastocyst Formation.
Using NCERT Biology [English] Class 12 solutions Human Reproduction 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 [English] Class 12 students prefer NCERT Textbook Solutions to score more in exams.
Get the free view of Chapter 2, Human Reproduction Biology [English] Class 12 additional questions for Mathematics Biology [English] Class 12 CBSE, Karnataka Board PUC, and you can use Shaalaa.com to keep it handy for your exam preparation.
