CBSE Class 12 Biology Reproductive Health Study Guide

Download CBSE Class 12 Biology Reproductive Health Study Guide in PDF format. All Revision notes for Class 12 Biology have been designed as per the latest syllabus and updated chapters given in your textbook for Biology in Standard 12. Our teachers have designed these concept notes for the benefit of Grade 12 students. You should use these chapter wise notes for revision on daily basis. These study notes can also be used for learning each chapter and its important and difficult topics or revision just before your exams to help you get better scores in upcoming examinations, You can also use Printable notes for Class 12 Biology for faster revision of difficult topics and get higher rank. After reading these notes also refer to MCQ questions for Class 12 Biology given our website

Reproductive Health Study Guide Class 12 Biology Revision Notes

Class 12 Biology students should refer to the following concepts and notes for Reproductive Health Study Guide in standard 12. These exam notes for Grade 12 Biology will be very useful for upcoming class tests and examinations and help you to score good marks

Reproductive Health Study Guide Notes Class 12 Biology

CBSE Class 12 Biology - Reproductive Health Study Guide. Learning the important concepts is very important for every student to get better marks in examinations. The concepts should be clear which will help in faster learning. The attached concepts made as per NCERT and CBSE pattern will help the student to understand the chapter and score better marks in the examinations.

 (B) (a) Read the graph given below. Correct the ovarian events that take place in the human female according to the pituitary hormones during the following days:

(i) 10-14 days              (ii) 14-15 days

(iii) 16-23 days             (iv) 25-29 days (if the ovum is not fertilised)

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(C) What are the uterine events that follow beyond 29th day if the ovum is not fertilised?

SELF EVALUATION

1. Name the important mammary gland secretions that help developing resistance in the new born baby?

2. Define foetal ejection reflex?

3. Faillure of fertilization leads to menstruation. Explain.

4. Draw and label the main parts of the human spermatozoa. Why is the middle piece considered as power house of the human sperm?

5. . Give reasons:-

       i). zona pellucida layer block the entry of additional sperms?

       ii). sperm cannot reach ovum without seminal plasma?

       iii). all copulations do not lead to fertilization and pregnancy?

6. Women are often blamed for giving birth to girl child in our society. What is your View?

7. What is the fate of inner cell mass in the blastocyst? Mention their significance.

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•IN- VITRO FERTILIZATION :- In- Vitro fertilization refersto thr fusion of gametes in the laboratory conditions.

INFERTILITY:- The inability of couple/ person to produce new young one inspite of unprotective sexual act.

INTRA-UTERINE DEVICES(IUDS):- These are the devices inserted in uterus to achieve contraception.

LACTATIONAL AMENORRHEA:- It refers to the absence of menstruation during the period of intense lactation following parturition.

MEDICAL TERMINATION OF PREGNANCY( MTP):- voluntary termination of pregnancy before full term is called MTP or induced abortion.

POPULATION EXPLOSION:- An enormous increase in the size of the population in the short span of time is called population explosion.

REPRODUCTIVE HEALTH :- It is total well being in physical, emotional, behavioural and social aspect of reproduction.

SEXUALLY TRANSMITTED DISEASES(STDs):- Diseases or infections that are transmitted through sexual act

are called STDs or reproductive track infections (RTIs).

TUBECTOMY:- Sterilization process in female by cutting of fallopian tubes is called tubectomy.

VASECTOMY:- Sterilization procedure in male by cutting and tying of vas deference is called vasectomy.

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