NEET Zoology — MCQ Practice Questions & Answers

Question 1

A couple has been trying to conceive for 2 years without success. The male has normal semen analysis. What could be the issue?

Accepted Answer

Correct answer: B. Likely female infertility (tubal blockage, ovulation disorder, etc.) — With normal male semen analysis, female factors such as tubal obstruction, anovulation, endometriosis, or uterine abnormalities become primary considerations.

Answer

A. Definitely male infertility

Answer

C. Definitely psychological

Answer

D. Must be both partners' issue

Question 2

Which statutory body in India regulates Assisted Reproductive Technology (ART) services?

Accepted Answer

Correct answer: B. Indian Council of Medical Research (ICMR) — ICMR provides guidelines and regulations for ART services in India under the Assisted Reproductive Technology (Regulation) Bill, 2021.

Answer

A. Indian Medical Association

Answer

C. Ministry of Health

Answer

D. National Board of Examinations

Question 3

In the context of reproductive health, what does 'Comprehensive Sexuality Education' (CSE) aim to achieve?

Accepted Answer

Correct answer: B. Provide factual information about reproductive health, contraception, and safe practices — CSE provides evidence-based, age-appropriate education about sexual health, contraception, consent, and safety to enable informed decision-making.

Answer

A. Promote sexual activity in teenagers

Answer

C. Replace parental guidance

Answer

D. Encourage early marriage

Question 4

Which of the following conditions is associated with anovulation?

Accepted Answer

Correct answer: B. PCOS and hypothyroidism — PCOS and hypothyroidism both disrupt the hypothalamic-pituitary-ovarian axis, leading to anovulation (failure to ovulate) and infertility.

Answer

A. Regular menstrual cycles

Answer

C. High progesterone levels

Answer

D. Normal FSH levels

Question 5

What is the most common sexually transmitted infection (STI) affecting reproductive health in India as per 2024 data?

Accepted Answer

Correct answer: D. Human Papillomavirus (HPV) — # STI Prevalence in India: Understanding HPV as the Most Common Infection The most common sexually transmitted infection affecting reproductive health in India relates to viral pathogens with high transmission rates and significant public health burden. Let me analyze the comparative epidemiology of these infections. ## Step 1: Understand the Classification of STIs STIs can be categorized as bacterial (Chlamydia, Gonorrhea, Syphilis) or viral (HPV). Viral STIs typically have: - Higher prevalence rates in populations - Persistent or chronic infection patterns - Greater asymptomatic carrier rates - Broader tissue tropism ## Step 2: Epidemiological Data on Bacterial STIs in India According to recent epidemiological surveys: - **Syphilis**: Declining trend with better screening programs - **Chlamydia trachomatis**: Common but largely asymptomatic; estimated 2-5% prevalence in reproductive-age population - **Gonorrhea**: Lower prevalence (~1-2%) compared to viral infections ## Step 3: HPV Prevalence and Public Health Impact HPV demonstrates

Answer

A. Syphilis

Answer

B. Chlamydia trachomatis

Answer

C. Gonorrhea

Question 6

What is the 'window of implantation' in the endometrium?

Accepted Answer

Correct answer: B. Days 6-10 after ovulation — The window of implantation occurs 6-10 days after ovulation (days 20-24 of a 28-day cycle) when the endometrium is optimally receptive for blastocyst implantation.

Answer

A. Days 1-5 after ovulation

Answer

C. Days 11-15 after ovulation

Answer

D. Days 16-20 after ovulation

Question 7

A woman on long-term anticonvulsant therapy wishes to use oral contraceptives. What should be the recommended action?

Accepted Answer

Correct answer: B. Higher dose estrogen pill or alternative method advised — Anticonvulsants like phenytoin induce hepatic metabolism of contraceptive hormones, reducing efficacy. Higher-dose estrogen pills or alternative methods are recommended.

Answer

A. Standard combined oral contraceptive is suitable

Answer

C. Progestin-only pill is contraindicated

Answer

D. No special consideration needed

Question 8

A 28-year-old female reports irregular menstrual cycles with excessive bleeding. Laboratory tests show elevated FSH and normal prolactin levels. What could be the likely diagnosis?

Accepted Answer

Correct answer: B. Premature Ovarian Insufficiency (POI) — Elevated FSH with irregular cycles indicates diminished ovarian reserve characteristic of POI. PCOS typically shows normal or low FSH with hyperandrogenism.

Answer

A. Hyperprolactinemia

Answer

C. Thyroid dysfunction

Answer

D. Polycystic Ovary Syndrome

NEET Zoology - MCQ Practice Questions