Q. No.In vitro fertilization is a technique that involves transfer of which one of the following into the fallopian tube?
1. Embryo only, up to 8 cell stage
2. Either zygote or early embryo upto 8 cell stage
3. Embryo of 32 cell stage
4. Zygote only
1. Embryo only, up to 8 cell stage
2. Either zygote or early embryo upto 8 cell stage
3. Embryo of 32 cell stage
4. Zygote only
The permissible use of the technique amniocentesis is for
1. detecting sex of the unborn foetus
2. artificial insemination
3. transfer of embryo into the uterus of a surrogate mother
4. detecting any genetic abnormality
Cu ions released from copper-releasing Intra Uterine Devices (IUDs):
1. make the uterus unsuitable for implantation
2. increase phagocytosis of sperms
3. suppress sperm motility
4. prevent ovulation
Given below are four methods (A-D) and their modes of action (a-d) in achieving contraception. Select their correct matching from the four options that follow:
|
Method |
Mode of action |
||
|
A |
The pill |
a |
Prevents sperms from reaching the ovum |
|
B |
Condom |
b |
Prevents implantation |
|
C |
Vasectomy |
c |
Prevents ovulation |
|
D |
Copper - T |
d |
Semen contains no sperms |
| Options: | A | B | C | D |
| 1. | c | a | d | b |
| 2. | d | a | b | c |
| 3. | c | d | a | b |
| 4. | b | c | a | d |
Consider the statements given below regarding contraception and answer as directed thereafter:
| A. | Medical Termination of Pregnancy (MTP) during the first trimester is generally safe |
| B. | Generally, chances of conception are nil until the mother breast-feeds the infants up to two years |
| C. | Intrauterine devices like copper-T are effective contraceptives |
| D. | Contraception pills may be taken up to one week after coitus to prevent conception |
| 1. | B, C | 2. | C, D |
| 3. | A, C | 4. | A, B |
Contraceptive oral pills help in birth control by
1. killing the sperms in uterus
2. preventing implantation
3. preventing ovulation
4. both 2 and 3
Which of the following is correct regarding HIV, hepatitis B, gonorrhoea, and trichomoniasis?
| 1. | Trichomoniasis is an STD whereas others or not. |
| 2. | Gonorrhoea is a viral disease whereas others are bacterial. |
| 3. | HIV is a pathogen whereas others are diseases. |
| 4. | Hepatitis B has been eradicated completely whereas others have not. |
Saheli is an oral contraceptive pill that has very high contraceptive value with little side effects. It is because
1. it is taken once in a week
2. it contains synthetic progesterone
3. it contains centchroman
4. it decreases risk of cancer
| Assertion (A): | Coitus interruptus has a high failure rate for a method of contraception. |
| Reason (R): | The pre-ejaculate fluid secreted by bulbourethral glands is known to have sperms. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
| Assertion (A): | The population of India is still growing. |
| Reason (R): | A rising birth rate and a falling death rate is responsible for this. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
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