NEET Zoology - MCQ Practice Questions

A population of 500 individuals has allele frequencies of A = 0.7 and a = 0.3. If the population follows Hardy-Weinberg equilibrium, what will be the frequency of heterozygotes in the next generation?

Homologous structures like bat wings, whale flippers, and human arms demonstrate evolutionary relationship through:

Which hormone is primarily responsible for the regulation of spermatogenesis in males?

The menstrual cycle in humans is approximately how many days?

Which intrauterine device (IUD) releases hormones to prevent pregnancy?

What is the primary function of the corpus luteum?

Which of the following is NOT a barrier method of contraception?

Which hormone is responsible for the development of male secondary sexual characteristics?

What is the normal duration of the luteal phase of the menstrual cycle?

Which intrauterine device (IUD) releases copper ions to prevent fertilization?

At what age does the average Indian girl experience menarche?

Which hormone shows a surge 24-36 hours before ovulation?

In the context of Assisted Reproductive Technology (ART), what does ICSI stand for?

Which vaccine protects against human papillomavirus-related cervical cancer?

What is the correct chronological order of events during the menstrual cycle?

Which hormone is essential for maintaining the corpus luteum during the first 8 weeks of pregnancy?

What is the recommended interval for cervical cancer screening using Pap smear in women aged 21-65 years with normal previous results?

Which phase of the ovarian cycle is characterized by rising estrogen levels and endometrial proliferation?

Which hormone is primarily responsible for maintaining the corpus luteum during early pregnancy?

Which of the following contraceptive methods has the lowest failure rate in typical use?