Please select a subject first
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Name the kind of diseases/disorders and any two symptoms that are likely to occur in humans if The karyotype is XXY
Concept: Concept of Reproductive Health
An infertile couple was advised to undergo In vitro fertilization by the doctor. Out of the options given below, select the correct stage for transfer to the fallopian tube for successful results.
Concept: Infertility
Given below are four contraceptive methods and their modes of action. Select the correct match:
| Method | Mode of action |
| a) Condom | (i) Ovum not able to reach Fallopian tube |
| b) Vasectomy | (ii) Prevents ovulation |
| c) Pill | (iii) Prevents sperm reaching the cervix |
| d) Tubectomy | (iv) Semen contains no sperms |
Concept: Birth Control
Trace the events from copulation to zygote formation in a human female.
Concept: Infertility
‘An HIV patient normally doesn't die of ‘AIDS’, but death is caused due to many other infections.’ Do you agree with the statement? Give explanatory reasons in support of your answer.
Concept: Sexually Transmitted Diseases (STD) or Sexually Transmitted Infections (STI)
Given below are four aspects of Reproductive Health in Column A and their related information in Column B:
| Column A | Column B | ||
| S. No. | Terms used in Reproductive Health | S. No. | Significant information |
| (A) | MTP | (i) | Analysing fetal cells from amniotic fluid of the foetus |
| (B) | Amniocentesis | (ii) | Legalised in 1971 |
| (C) | Saheli | (iii) | Programme initiated in 1951 |
| (D) | Family Planning | (iv) | Non-steroidal oral Planning contraceptive |
Select the correct match from the following options:
Concept: Concept of Reproductive Health
A pregnant human female was advised to undergo MTP. It was diagnosed that the fetus she was carrying had developed from a zygote having 45 chromosomes with only one X chromosome.
- What is this condition called and how does it arise?
- Why was she advised to undergo MTP?
Concept: Induced Abortion or Medical Termination of Pregnancy (MTP)
With the help of a flow chart, illustrate how an infected animal cell can survive while viruses are being replicated or released.
Concept: Sexually Transmitted Diseases (STD) or Sexually Transmitted Infections (STI)
Placed below are case studies of some couples who were not able to have kids. These couples are not ready for adoption or taking gametes from donors. After thoroughly examining the cases, which Assisted Reproductive Technology will you suggest to these couples as a medical expert? Explain briefly with justification of each case.
| Couple | Test reports of Female partner |
Test reports of male partner |
| Couple 1 | Normal reports | Normal sperms in testes, Missing connection in epididymis and Vas deferens. |
| Couple 2 | Blockage in the fallopian tube | Normal reports |
| Couple 3 | Normal reports | Poor semen parameters in terms of count, motility and morphology. |
| Couple 4 | low ovarian reserve | Normal reports |
| Couple 5 | Sterilization in male | Morphologically abnormal sperms |
Concept: Infertility
Given below are certain situations. Analyse the situation and suggest the name of suitable contraceptive device along with mode of action.
| Situation | Requirement of contraceptive for - | Name of contraceptive device | Mode of action |
| 1 | blocking the entry of sperms through cervix | ______ | ______ |
| 2 | spacing between children | ______ | ______ |
| 3 | effective emergency contraceptive | ______ | ______ |
| 4 | terminal method to prevent any more pregnancy in female | ______ | ______ |
| 5 | sterilization in male | ______ | ______ |
Concept: Birth Control
The following is well-known abbreviation, which have been used in this chapter. Expand to its full form:
HIV
Concept: Sexually Transmitted Diseases (STD) or Sexually Transmitted Infections (STI)
A male honeybee has 16 chromosomes whereas its female has 32 chromosomes. Give one reason.
Concept: Chromosomal Theory of Inheritance
Explain the relationship between CFC’s and Ozone in the stratosphere.
Concept: Ozone Layer Depletion >> Ozone Depletion in the Stratosphere
Name any two sources of e-Wastes and write two difference ways of their disposal.
Concept: Radioactive Waste Management and E-waste
How have human activities caused desertification? Explain.
Concept: Degradation by Improper Resource Utilisation and Maintenance
State the difference between meiocyte and gamete with respect to chromosome number.
Concept: Chromosomal Theory of Inheritance
Differentiate between male and female heterogamety.
Concept: Sex Determination
Differentiate between ‘ZZ’ and ‘XY’ type of sex-determination mechanisms.
Concept: Sex Determination
Name the type of cell division involved in the production of sperms by honey bees.
Concept: Chromosomal Theory of Inheritance
Why did T. H. Morgan select Drosophila melanogaster to study sex linked genes for his lab experiments ?
Concept: Sex Determination
