127. The permissible use of the technique amniocentesis is for :
A. Detecting any genetic abnormality
B. Detecting sec of the unborn fetus
C. Artificial insemination
D. Transfer of embryo into the uterus of a surrogate mother
Answer: A
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128. Artificial insemination means
A. articial 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 husband to a test tube containing ova.
D. Transfer of sperms of a healthy donor to a test tube containing ova
Answer: D
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129. Which one of the following statements is correct regarding sexually Transmitted Diseases (STD)
A. A person may contact 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 contacting a STD are very little.
Answer: D
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130. Which of the following statements is/are correct ?
A. Hepatitis B virus (HBV) can be transmitted through blood transfusion, sesual contact, tears, intravenous drug abuse, tatooing, ear and nose pierceing, sharing of razors, etc.
B. Hepatitis B virus vaccine is the second generation vaccine produced from transgenic yeast by recombinant DNA technology.
C. Hepatitis B virus vaccine is the first commercially available human vaccine produced by genetic engineering.
D. All of these.
Answer: D
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131. Which of the following cannot be considered as an advantage of amniocentesis ?
A. Prenatal diagnostics
B. Detection of biochemical abnormalities
C. Detection of congenital defects
D. Determination of sex to abort female fetus
Answer: D
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132. Population growth rate depends upon
A. Birth rate
B. Death rate
C. Age - sex ratio
D. All of these
Answer: D
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133. Replacement level is the number
of children a couple must produce to replace themselves so as to maintain population at zero growth lavel. The value of replacement level for developed countries is
A. 2.7
B. 2.1
C. 1.9
D. 1.2
Answer: B
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134. Which of the following defines the stage of demographic transition ?
A. Birth rate is higher than death rate.
B. Death rate is higher than birth rate.
C. Birth rate and death rate are equal.
D. Both (1) and (2).
Answer: C
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135. The average number of children that would be born by a female during her lifetime is called
A. Natality
B. Birth rate
C. Population growth rate
D. Total fertility rate
Answer: D
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