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
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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
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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
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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 |
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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 |
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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
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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. |
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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
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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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