Multiple Choice QuestionsGenetic material found in Human Immunodeficiency Virus (HIV) is
Double stranded RNA
Single stranded RNA
Double stranded DNA
Single stranded DNA
Which of the following can be controlled by using biopesticides?
Insects
Diseases
Weeds
All of these
Which hormone is secreted in a woman if pregnancy has occurred?
Estrogen
Progesterone
Luteinizing hormone
Human chorionic gonadotropin
B.
Progesterone
If fertilization occurs and the foetus is implanted in the endometrium, the trophoblast cells of the developing placenta secrete a hormone called Human Crionic Gonadtrophic hormone (HCG). This hormone-like LH maintains the corpus luteum and secretion of progesterone and estradiol by it. These two hormones check the breakdown of the endometrium of the uterus. The absence of menstrual bleeding is the earliest sign of pregnancy.
The product of biotechnology is
transgenic crops (GM crops)
humulin
biofertilizer
All of the above
Menstruation is due to sudden
Reduction of FSH
Increase of LH
Reduction in estrogen and progesterone
None of the above
Which of these is used to control human population?
Estrogen + progesterone
IUCD and MTP
Tubectomy and vasectomy
All of the above
Which has an additional X-chromosome?
Turner’s syndrome
Klinefelter’s syndrome
Super female
Down’s syndrome
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