CBSE Class 12 Biology HOTs Reproductive Health

Please refer to CBSE Class 12 Biology HOTs Reproductive Health. Download HOTS questions and answers for Class 12 Biology. Read CBSE Class 12 Biology HOTs for Chapter 4 Reproductive Health below and download in pdf. High Order Thinking Skills questions come in exams for Biology in Class 12 and if prepared properly can help you to score more marks. You can refer to more chapter wise Class 12 Biology HOTS Questions with solutions and also get latest topic wise important study material as per NCERT book for Class 12 Biology and all other subjects for free on Studiestoday designed as per latest CBSE, NCERT and KVS syllabus and pattern for Class 12

Chapter 4 Reproductive Health Class 12 Biology HOTS

Class 12 Biology students should refer to the following high order thinking skills questions with answers for Chapter 4 Reproductive Health in Class 12. These HOTS questions with answers for Class 12 Biology will come in exams and help you to score good marks

HOTS Questions Chapter 4 Reproductive Health Class 12 Biology with Answers

 

Q.1. “Creating awareness among people about various reproductions related aspect and providing facilities and support for building up a reproductively healthy society are the major tasks of a good government. For this various programmes are undertaken”. Name the programs?
 
Ans1. Reproductive and child health care (RCH) programmes.
 
Q.2. A diagnostic technique in which a sample of amniotic fluid is taken from the womb of a pregnant woman during the early stages of foetal development. By what name is this method commonly known as? What can be detected by it?
 
Ans2. To know the sex of the fetus this test is done. It is amniocentesis.
 
Q.3. Advancement in technology avoids hunger death, decline in infant mortality rate, and increase in number of people in the reproductive age, etc. These are the contributing factors for what type explosion?
 
Ans3. Population explosion.
 
Q.4. The method is performed to remove unwanted pregnancies like
a. Where fetus is suffering from an incurable disease.
b. Pregnancy has occurred due to unwanted events like rapes.
c. Continuations of pregnancy will be harmful to the mother or foetus. What is the name given to this method?
 
Ans4. MTP (medicals termination of pregnancy) or induced abortion.
 
Q.5. It is a method involving the transfer of a ovum collected from a donor female into reproductive canal of another female, who cannot produce ova but can provide suitable condition for fertilization and further growth from embryo stage up to parturition. Name the method?
 
Ans5. GIFT (gamete intra fallopian transfer )
 
Q.6. In vitro fertilization refers to the fusion gametes outside the reproductive canal almost in similar condition as that exist in the body. Mention the popular name?
 
Ans6. Test tube baby programme.
 
Q.7. It is a specialized procedure to form a zygote under laboratory conditions, in which sperm is directly injected into the ovum. Name the procedure?
 
Ans7. ICSI (intra cytoplasmic sperm injection)
 
Q.8. In India often the females is blamed for the couple being child less but more often that the problem lies in the male partner. The same couple could be guided to have children though certain special techniques. Name the techniques?
 
Ans8. ART (Assisted reproductive technology.)
 
Q.9. It is methods based on the fact that ovulation and therefore the cycle do not occur during the period of intense lactation following parturition. Name the method?
 
Ans9. Lactation amenorrhea (absence of menstruation)
 
Q.10. Surgical methods are generally advised for the male / female partner as an ultimate method to prevent any more pregnancies. Name the procedure in case of male and female?
 
Ans10. Sterilization. Male – Vasectomy, ` Female - Tubectomy
 
Q.11. Oral administration of small doses of either progestogens or progestogen –estrogen combination is another contraceptive method used by the females . What are they popularly called?
 
Ans11. Pills.
 
Q.12 Gonorrhoea , Syphilis , Genital Herpes , Chalmydiasis , Genital Warts, Trichomoniasis, Hepatitis –B etc are collectively called STDS ? Write the full forms of STDs?
 
Ans12 STD (sexually transmitted disease)
 
Q.13 It is a sterilization procedure in female where a small part of a fallopian tube is removed or tied up through a small incision in the abdomen or through vagina. Name the surgical method?
 
Ans13 Tubectomy
 
Q.14. Name the device which can prevent contraception in the following ways.
 
Ans14 IUDS – (intra uterine devices)
 
i) By increasing phagoytosis of sperm within the uterus.
 
ii) By suppressing sperm motility and thereby the fertilizing ability.
 
iii) By making uterus unsuitable for implantation.
 
Q.15. A disease reported to be high among individual of age group of 15-24years. Name the disease and mention three preventative measures of these diseases.
 
Ans15 Sexually Transmitted Disease.
 
Three preventive measures are
 
i) Avoid sex with unknown partners/multiple partners
 
ii) Always use condoms during coitus.
 
iii) In case of doubt/go to a qualified doctor for diagnosis and get complete treatment.
 
 
Important Questions for NCERT Class 12 Biology Reproductive Health
 

Ques. Which one of the following statements is correct regarding sexually transmitted diseases (STDs)?
(a) A person may contract syphilis by sharing milk with one already suffering from the disease.
(b) Haemophilia is one of the STDs.
(c) Genital herpes and sickle-cell anaemia are both STDs.
(d) The chances of a 5-years boy contracting a STD are very little.

Answer: D

 

Ques. Which one of the following does correctly match a sexually transmitted disease with its pathogen?
(a) Syphilis-Treponema pallidum
(b) Gonorrhoea-Entamoeba histolytica
(c) Urethritis-Bacillus anthracis
(d) Softsore-Bacillus brevis 

Answer: A

 

Ques. In which of the following techniques, the embryos are transferred to assist those females who cannot conceive?
(a) ZIFT and IUT (b) GIFT and ZIFT
(c) ICSI and ZIFT (d) GIFT and ICSI

Answer: A

 

Ques. In case of a couple where the male is having a very low sperm count, which technique will be suitable for fertilisation?
(a) Gamete Intracytoplasmic Fallopian Transfer
(b) Artificial Insemination
(c) Intracytoplasmic sperm injection
(d) Intrauterine transfer 

Answer: B

 

Ques. Embryo with more than 16 blastomeres formed due to in vitro fertilisation is transferred into
(a) uterus (b) fallopian tube
(c) fimbriae (d) cervix.

Answer: A

 

Ques. A childless couple can be assisted to have a child through a technique called GIFT. The full form of this technique is
(a) Gamete Internal Fertilisation and Transfer
(b) Germ cell Internal Fallopian Transfer
(c) Gamete Inseminated Fallopian Transfer
(d) Gamete Intra Fallopian Transfer. 

Answer: D

 

Ques. Assisted reproductive technology, IVF involves transfer of
(a) ovum into the fallopian tube
(b) zygote into the fallopian tube
(c) zygote into the uterus
(d) embryo with 16 blastomeres into the fallopian tube.

Answer: B

 

Ques. Artificial Insemination means
(a) artificial introduction of sperms of a healthy donor into the vagina
(b) introduction of sperms of a healthy donor directly into the ovary
(c) transfer of sperms of a healthy donor to a test tube containing ova
(d) transfer of sperms of husband to a test tube containing ova. 

Answer: A

 

Ques. The stage transferred into the uterus after induced fertilisation of ovum in the laboratory is
(a) embryo at 4 blastomeres stage
(b) embryo at 2 blastomeres stage
(c) morula
(d) zygote. 

Answer: C

 

Ques. The test-tube baby programme employs which one of the following techniques?
(a) Intra Cytoplasmic Sperm Injection (ICSI)
(b) Intra Uterine Insemination (IUI)
(c) Gamete Intra Fallopian Transfer (GIFT)
(d) Zygote Intra Fallopian Transfer (ZIFT) 

Answer: D

 

Ques. The technique called Gamete Intra Fallopian Transfer (GIFT) is recommended for those females
(a) who cannot produce an ovum
(b) who cannot retain the fetus inside uterus
(c) whose cervical canal is too narrow to allow passage for the sperms
(d) who cannot provide suitable environment forfertilisation. 

Answer: A

 

Ques. In vitro fertilisation is a technique that involves transfer of which one of the following into the fallopian tube?
(a) Embryo only, upto 8 cell stage
(b) Either zygote or early embryo upto 8 cell stage
(c) Embryo of 32 cell stage
(d) Zygote only

Answer: B

 

Ques. Test tube baby means a baby born when
(a) it is developed in a test tube
(b) it is developed through tissue culture method
(c) the ovum is fertilised externally and thereafter implanted in the uterus
(d) it develops from a non-fertilised uterus.

Answer: C

 

Ques. The test tube baby means
(a) fertilisation and development both in uterus
(b) fertilisation in vitro and then transplantation in uterus
(c) a baby grown in test tube
(d) fertilised and developed embryo in test tube.

Answer: B

 

Ques. Which of the following statements is correct with reference to a test tube baby?
(a) Fertilisation of the egg is effected outside the body; the fertilised egg is then placed in the womb of the mother where the gestation is completed.
(b) Fertilisation of the egg is effected in the female genital tract. It is then taken out and grown in a large test tube.
(c) A prematurely born baby is reared in an incubator.
(d) Fertilisation of the egg and growth of the embryo are affected in a large test tube.

Answer: A

 

 

REPRODUCTIVE HEALTH

1MARK

1. A large number of couples are said to be infertile. The couples could be assisted to have children through certain special techniques. Name the techniques. 

 

2. At what stage Zygote can be introduced in the fallopian tube in Zygote Intra Fallopian Transfer (Z.I.F.T)? 

 

3. A woman's husband is infertile. So the lady has decided to have baby by taking sperms from sperm bank. Which technique will you suggest for her pregnancy? 

 

4. A newly married couple does not want to produce children at least for one year and also not to use any contraceptives. Suggest a method to prevent pregnancy. 

 

5. A doctor has been observed the chromosomal disorders in developing foetus and advised the couple to undergo abortion. suggest the technique by which doctor absorbed the chromosomal disorders. 

 

6. What precautions a lady can take to prevent unwanted pregnancy? 

 

i) Name the barrier

ii) Mention the composition of it. 

2 marks

1. During lactation chances of conception are almost zero. 

(i) Give the reason

(ii) Give the term used to describe the phenomenon.

 

2. Following table gives certain terms associated with ARTS ½+½+½+½ Fill in the spaces a,b,c and d. 

CBSE_Class_12_Biology_Reproduction_Health_1

CBSE_Class_12_Biology_Reproduction_Health_2

 Reproductive Health
Answers
1 MARK
 
Ans1. Assisted reproductive technologies(ART) 
 
Ans2. 8-celled stage 
 
Ans3. Intra cytoplasmic sperm injection(ICSI) 
 
Ans4.Periodic obstience or coitus interruptus
 
Ans5. Amniocentesis 
 
Ans6. Pills (Progestogen-estrogen combination.)or Progestogen
 
2 MARKS
 
Ans1. a) Ovulation does not take place
 
          b) Lactational amenorrhea. 
 
Ans2. a-In vitro fertilization and embryo transfer
 
          b-Z.I.F.T
 
          c- GIFT
 
          d-Intra uterine insemination
 
Ans3.a) Condom
 
         b) Latex/rubber
 
3MARKS
 
Ans1. Implants
Functions
i) They contain progestogens or progestogen. estrogen combination
ii) They inhibit ovulation and implantation of embryo to the uterine wall.
 
 
Important Questions for NCERT Class 12 Biology Reproductive Health
 

Ques. Which one of the following is the most widely accepted method of contraception in India at present?
(a) Cervical caps
(b) Tubectomy
(c) Diaphragms
(d) IUDs (Intra uterine devices) 

Answer: D

 

Ques. Cu ions released from copper-releasing intra uterine devices (IUDs)
(a) make uterus unsuitable for implantation
(b) increase phagocytosis of sperms
(c) suppress sperm motility
(d) prevent ovulation. 

Answer: C

 

Ques. Given below are four methods (A-D) and their modes of action (i-iv) in achieving contraception. Select their correct matching from the four options that follow.
 Method                    Mode of Action
A. The pill              (i) Prevents sperms reaching cervix
B. Condom            (ii) Prevents implantation
C. Vasectomy        (iii) Prevents ovulation
D. Copper T          (iv) Semen contains no sperms
(a) A – (iii), B – (iv), C – (i), D – (ii)
(b) A – (ii), B – (iii), C – (i), D – (iv)
(c) A – (iii), B – (i), C – (iv), D – (ii)
(d) A – (iv), B – (i), C – (ii), D – (iii) 

Answer: C

 

Ques. What is the work of copper-T?
(a) To inhibit ovulation
(b) To inhibit fertilisation
(c) To inhibit implantation of blastocyst
(d) To inhibit gametogenesis

Answer: B

 

Ques. What is the work of progesterone which is present in oral contraceptive pills?
(a) To inhibit ovulation
(b) To check oogenesis
(c) To check entry of sperms into cervix and to
make them inactive
(d) To check sexual behaviour 

Answer: A

 

Ques. Tablets to prevent male contraception contain
(a) progesterone (b) LH
(c) FSH (d) both (b) and (c).

Answer: D

 

Ques. The most important component of the oral contraceptive pills is
(a) thyroxine (b) luteinising hormone
(c) progesterone (d) growth hormone.

Answer: C

 

Ques. The present population of the world is about
(a) 15 trillion (b) 6 billion
(c) 500 million (d) 100 million. 

Answer: B

 

Ques. One of the legal methods of birth control is
(a) by having coitus at the time of day break
(b) by a premature ejaculation during coitus
(c) abortion by taking an appropriate medicine
(d) by abstaining from coitus from day 10 to 17 of the menstrual cycle. 

Answer: C

 

Ques. Medical Termination of Pregnancy (MTP) is considered safe up to how many weeks of pregnancy?
(a) Eight weeks (b) Twelve weeks
(c) Eighteen weeks (d) Six weeks 

Answer: B

 

Ques. Consider the statements given below regarding contraception and answer as directed thereafter.
(1) Medical termination of pregnancy (MTP) during first trimester is generally safe.
(2) Generally chances of conception are nil until mother breast-feeds the infant upto two years.
(3) Intrauterine devices like copper-T are effective contraceptives.
(4) Contraception pills may be taken upto one week after coitus to prevent conception.
Which two of the above statements are correct?
(a) 1, 3     (b) 1, 2
(c) 2, 3     (d) 3, 4 

Answer: A

 

Ques. Select the option including all sexually transmitted diseases.
(a) Gonorrhoea, Syphilis, Genital herpes
(b) Gonorrhoea, Malaria, Genital herpes
(c) AIDS, Malaria, Filaria
(d) Cancer, AIDS, Syphilis 

Answer: A

 

Ques. Which of the following sexually transmitted disease is not completely curable?
(a) Chlamydiasis (b) Gonorrhoea
(c) Genital warts (d) Genital herpes

Answer: D

 

Ques. Match the following sexually transmitted diseases (column I) with their causative agent (column II) and select the correct option.
  Column I             Column II
A. Gonorrhoea        (i) HIV
B. Syphilis              (ii) Neisseria
C. Genital warts      (iii) Treponema
D. AIDS                 (iv) Human papilloma virus
       A    B   C   D
(a) (iii) (iv) (i) (ii)
(b) (iv) (ii) (iii) (i)
(c) (iv) (iii) (ii) (i)
(d) (ii) (iii) (iv) (i) 

Answer: D

 

Ques. Which of the following is not a sexually transmitted disease?
(a) Trichomoniasis
(b) Encephalitis
(c) Syphilis
(d) Acquired Immuno Deficiency Syndrome (AIDS)

Answer: B

 

Q1 Why is CuT considered a good contraceptive device to space children?

 
A Cu suppress sperm motility , fertilizing capacity
 
Q.2 What is the significance of progesterone – estrogen combination as contraceptive measure?
 
A Easily available , create gap, inhibit ovulation and implantation, less side effect
 
Q3 What do you mean by ectopic pregnancy? Why does it happen?
 
A Implantation outside uterus, Due to STDs
 
Q.4 Give the difference between In – vivo and In –vitro fertilization.
 
A In-vivo (in side mother's body), in-vitro (Inside the laboratory)
 
Q5 Why MTP?
 
A Medical termination of pregnancy – Population control, get rid of unwanted pregnancy, for health condition of mother and embryo.
 
ONE MARK QUESTIONS:
 
1. What was the old name given for the programme RCH of today? When was it initiated in India?
 
2. As long as the mother lactates fully, chances of conception are almost nil-Why?
 
3. Removal of gonads cannot be considered as contraceptive options, why?
 
4. Is it necessary to ban amniocentesis? Why?
 
5. LNG-20 is a type of IUD. In what additional way does it function as a contraceptive?
 
6. As a student of biology what would you suggest for the couple who does not have any children?
 
TWO MARKS QUESTIONS:
 
1. Is sex education necessary in schools? If so why?
 
2. Give reasons
a.) Surgical methods of contraception cannot prevent gamete formation
b.) Oral pills are popular contraceptives among rural women.
 
3. Is the use of contraceptives justified? Give reasons.
 
4. What are GIFT and ZIFT in relation to ART?
 
5. Can MTP be permitted? If not why?
 
6. A couple who was unable to bear a child, on clinical examination revealed that the wife was unable to produce a normal egg. How would you advice the infertile couple to have children?
 
7. If a woman is using a copper T, will it protect her from sexually transmitted diseases? Why?
 
THREE MARKS QUESTIONS:
 
1. Why is it essential to have clean sexual habits?
 
2. Embryo transfer is one of the methods of ART. What are the different types of embryo transfer?
 
3. Which is the best method of birth control? Explain giving reasons.
 
4. A woman who was pregnant (8 weeks), on clinical examination was found to have conceived a defective foetus with a serious genetic defect.
 
1) With what test would the doctor have confirmed the genetic defect.
2) What suggestive measure would you recommend?
3) Name any one complication associated with this technique.
Chapter 01 Reproduction in Organisms
CBSE Class 12 Biology HOTs Reproduction In Organisms
Chapter 02 Sexual Reproduction In Flowering Plants
CBSE Class 12 Biology HOTs Sexual Reproduction In Flowering Plants
Chapter 03 Human Reproduction
CBSE Class 12 Biology HOTs Human Reproduction
Chapter 04 Reproductive Health
CBSE Class 12 Biology HOTs Reproductive Health
Chapter 05 Principles of Inheritance and Variation
CBSE Class 12 Biology HOTs Principles Of Inheritance And Variation
Chapter 06 Molecular Basis of Inheritance
CBSE Class 12 Biology HOTs Molecular Basis of Inheritance
Chapter 07 Evolution
CBSE Class 12 Biology HOTs Evolution
Chapter 08 Human Health and Disease
CBSE Class 12 Biology HOTs Human Health and Disease
Chapter 09 Strategies for Enhancement In Food Production
CBSE Class 12 Biology HOTs Strategies For Enhancement In food Production
Chapter 10 Microbes In Human Welfare
CBSE Class 12 Biology HOTs Microbes In Human Welfare
Chapter 11 Biotechnology Principles and Processes
CBSE Class 12 Biology HOTs Biotechnology Principles and Processes
Chapter 12 Biotechnology and Its Application
CBSE Class 12 Biology HOTs Biotechnology And Its Applications
Chapter 13 Organisms and Populations
CBSE Class 12 Biology HOTs Organism And Population
Chapter 14 Ecosystem
CBSE Class 12 Biology HOTs Ecosystem
Chapter 15 Biodiversity and Conservation
CBSE Class 12 Biology HOTs Biodiversity And Conservation
Chapter 16 Environmental Issues
CBSE Class 12 Biology HOTs Environmental Issues
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HOTS for Chapter 4 Reproductive Health Biology Class 12

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