Human Reproduction and Development - Numerical Applications

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This section focuses on numerical, quantitative, and data-based problems related to reproductive physiology and human development. It is designed for Class 11–12 students, NEET aspirants, and undergraduate learners to strengthen their ability to apply reproductive concepts using calculations, timelines, and data interpretation.

In this section, you will practice:

  • Numerical problems based on menstrual cycle timing and ovulation

  • Calculations involving gestation period and developmental stages

  • Data interpretation from hormonal level charts

  • Timeline-based questions on embryonic and fetal development

  • Table- and graph-based questions related to reproductive hormones

  • NCERT-aligned numerical and logic-based exam questions

The content is structured to improve step-by-step analytical skills, enhance data interpretation, and help students confidently handle numerical and logic-based questions in school examinations, NEET, and undergraduate assessments.

Develop accuracy and confidence in solving numerical applications related to human reproduction and development through systematic practice.

Q. At what week does the heart start to beat in a developing fetus?
  • A. 4 weeks
  • B. 6 weeks
  • C. 8 weeks
  • D. 10 weeks
Q. How many chromosomes are present in a human sperm cell?
  • A. 23
  • B. 46
  • C. 22
  • D. 44
Q. How many stages are there in human labor?
  • A. 1
  • B. 2
  • C. 3
  • D. 4
Q. What is the average duration of human gestation?
  • A. 28 weeks
  • B. 36 weeks
  • C. 40 weeks
  • D. 44 weeks
Q. What is the average length of a human newborn at birth?
  • A. 40 cm
  • B. 50 cm
  • C. 60 cm
  • D. 70 cm
Q. What is the primary hormone responsible for maintaining pregnancy?
  • A. Estrogen
  • B. Progesterone
  • C. Testosterone
  • D. Oxytocin
Q. What is the typical volume of amniotic fluid at 36 weeks of pregnancy?
  • A. 200 mL
  • B. 500 mL
  • C. 800 mL
  • D. 1000 mL
Q. What is the typical weight range of a full-term newborn?
  • A. 1-2 kg
  • B. 2-3 kg
  • C. 3-4 kg
  • D. 4-5 kg
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