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#QuestionSubject and topicDifficulty
1481 The first menstruation at puberty is called Biology/Biological Studies/Biotechnology/Biochemistry
Menstrual cycle
Easy
1482 Which hormone, secreted by the corpus luteum, is essential to maintain the endometrium? Biology/Biological Studies/Biotechnology/Biochemistry
Menstrual cycle
Medium
1483 In a woman with a regular 28-day cycle, during which days does the follicular (proliferative) phase mainly oc… Biology/Biological Studies/Biotechnology/Biochemistry
Menstrual cycle
Medium
1484 If the corpus luteum of a non-pregnant woman were made to persist and keep secreting progesterone, what would… Biology/Biological Studies/Biotechnology/Biochemistry
Menstrual cycle
Hard
1485 In humans, fertilisation normally takes place in the Biology/Biological Studies/Biotechnology/Biochemistry
Fertilisation and implantation
Easy
1486 The stage of the human embryo that becomes embedded in the endometrium is the Biology/Biological Studies/Biotechnology/Biochemistry
Fertilisation and implantation
Easy
1487 Which part of the blastocyst gives rise to the embryo proper? Biology/Biological Studies/Biotechnology/Biochemistry
Fertilisation and implantation
Medium
1488 Why is the sex of a human child said to be determined by the father? Biology/Biological Studies/Biotechnology/Biochemistry
Fertilisation and implantation
Medium
1489 A secondary oocyte released at ovulation never meets a sperm. What will be the fate of its second meiotic div… Biology/Biological Studies/Biotechnology/Biochemistry
Fertilisation and implantation
Hard
1490 Which hormone is produced only during pregnancy and is detected by pregnancy test kits? Biology/Biological Studies/Biotechnology/Biochemistry
Pregnancy, parturition and lactation
Easy
1491 The first milk secreted after childbirth, rich in antibodies, is called Biology/Biological Studies/Biotechnology/Biochemistry
Pregnancy, parturition and lactation
Easy
1492 Which hormone causes strong uterine contractions during parturition? Biology/Biological Studies/Biotechnology/Biochemistry
Pregnancy, parturition and lactation
Medium
1493 By the end of the first trimester of human pregnancy, which development is generally complete? Biology/Biological Studies/Biotechnology/Biochemistry
Pregnancy, parturition and lactation
Medium
1494 Why is parturition described as a positive feedback process? Biology/Biological Studies/Biotechnology/Biochemistry
Pregnancy, parturition and lactation
Hard
1495 Amniocentesis involves examining Biology/Biological Studies/Biotechnology/Biochemistry
Reproductive health problems and strategies
Easy
1496 Why has amniocentesis for sex determination been banned in India? Biology/Biological Studies/Biotechnology/Biochemistry
Reproductive health problems and strategies
Easy
1497 Which of the following is an indicator of improved reproductive health in a society? Biology/Biological Studies/Biotechnology/Biochemistry
Reproductive health problems and strategies
Medium
1498 A school introduces age-appropriate sex education. Which goal of reproductive health does this mainly serve? Biology/Biological Studies/Biotechnology/Biochemistry
Reproductive health problems and strategies
Medium
1499 A pregnant woman of advanced age is advised a test to check whether the foetus has an extra copy of chromosom… Biology/Biological Studies/Biotechnology/Biochemistry
Reproductive health problems and strategies
Hard
1500 Which of the following is a copper-releasing IUD? Biology/Biological Studies/Biotechnology/Biochemistry
Birth control and population stabilisation
Easy