Solution- Reproductive Health Test-1 Class 12 Notes | EduRev

Class 12 : Solution- Reproductive Health Test-1 Class 12 Notes | EduRev

 Page 1


CBSE TEST PAPER-05 
CLASS - XII BIOLOGY (Reproductive Health) 
 (Answer Key) 
1. WHO defines reproductive health as total well being in all respects of reproduction
including physical, emotional, behavioural and social.
2. The Government has banned amniocentesis to check on the incidences of female
foeticides.
3. MTP: Medical Termination of Pregnancy.
ICSI: Intra Cytoplasmic Sperm Injection.
4. It is the introduction of two unfertilized oocytes and several sperms into the fallopian
tube of a woman desirous to be a mother through laproscope. The eggs may be hers or a
donor’s. The sperms may be of her husband’s or of a donor. Fertilisation occurs in vivo
and the development of the foetus takes place through natural process.
5. It is an intrauterine device having ionized copper. The copper diffuses into the uterus and
brings about the release of toxic cytokines. They inhibit sperm motility and therefore
fertilization of ovum.
6. The probable reasons could be:
- Steady decline in the death rate due to improved health services.
- Early marriages especially in certain rural areas.
- Lack of education among the poor and they fail to understand the ill effects of a large
family.
- Longer life span.
7. Barrier: Condom, IUD: Copper –T, Surgical technique: Vasectomy or Tubectomy,
Administering Hormone : Oral Pill.
8. Diseases or infections transmitted through sexual intercourse are collectively called
Sexually Transmitted Diseases or STDs. Ex: Syphilis and Gonorrhoea.
9. Reasons for infertility in men and women are:
1. Absence or blockage of vasa deferentia or vasa efferentia.in men
Non- ovulation or deficient ovulation in females can cause infertility. 
2. Alcoholism inhibits spermatogenesis in men.
Inadequate growth and functioning of the corpus luteum in females. 
Page 2


CBSE TEST PAPER-05 
CLASS - XII BIOLOGY (Reproductive Health) 
 (Answer Key) 
1. WHO defines reproductive health as total well being in all respects of reproduction
including physical, emotional, behavioural and social.
2. The Government has banned amniocentesis to check on the incidences of female
foeticides.
3. MTP: Medical Termination of Pregnancy.
ICSI: Intra Cytoplasmic Sperm Injection.
4. It is the introduction of two unfertilized oocytes and several sperms into the fallopian
tube of a woman desirous to be a mother through laproscope. The eggs may be hers or a
donor’s. The sperms may be of her husband’s or of a donor. Fertilisation occurs in vivo
and the development of the foetus takes place through natural process.
5. It is an intrauterine device having ionized copper. The copper diffuses into the uterus and
brings about the release of toxic cytokines. They inhibit sperm motility and therefore
fertilization of ovum.
6. The probable reasons could be:
- Steady decline in the death rate due to improved health services.
- Early marriages especially in certain rural areas.
- Lack of education among the poor and they fail to understand the ill effects of a large
family.
- Longer life span.
7. Barrier: Condom, IUD: Copper –T, Surgical technique: Vasectomy or Tubectomy,
Administering Hormone : Oral Pill.
8. Diseases or infections transmitted through sexual intercourse are collectively called
Sexually Transmitted Diseases or STDs. Ex: Syphilis and Gonorrhoea.
9. Reasons for infertility in men and women are:
1. Absence or blockage of vasa deferentia or vasa efferentia.in men
Non- ovulation or deficient ovulation in females can cause infertility. 
2. Alcoholism inhibits spermatogenesis in men.
Inadequate growth and functioning of the corpus luteum in females. 
3. Low fructose content ,high viscosity and low volume of ejaculation leads to male
infertility. 
Congenital malformation of the uterus also affects fertility. 
10. The consequences of overpopulation are :
- An increase demand and therefore pressure on the natural resources.
- An increase in the level of pollution.
- More number of unemployment, poor infrastructure and pressure on the country’s
economy.
11. 
 Natality rate ( Birth rate)  Mortality rate ( Death rate) 
1. It is the number of births per one
thousand individuals per year. 
1. It is the number of deaths per one
thousand individuals per year. 
2. It is the rate at which the new
members are added to the population by 
reproduction. 
2. it is the rates at which the individuals
die out. 
3. It increases population size and
population density. 
3. It decreases population size and
population density. 
12. One of the natural methods of birth control is Periodic abstinence or Rhythm method. The
couple avoids or abstains from coitus from day 10 to 17 of the menstrual cycle because
ovulation occurs during this period and therefore the period is highly fertile. The method
is based on the facts the ovum remains alive for 1-2 days and the sperm remains alive for
about 3 days. The effectiveness of this method is limited as most of the women have
irregular menstrual cycle.
13. 
 Vasectomy  Tubectomy 
1. It is a sterilization technique for men. 1. It is a sterilization technique for women.
2. The two vasa differentia are cut and
tied up. 
2. The two oviducts are cut and tied up.
3. Passage of sperms is prevented. 3. Passage of ova is prevented.
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