Home Subjects NEET Zoology

NEET Zoology

Zoology questions for NEET UG — Animal Kingdom, Human Physiology, Genetics, Evolution.

540 Q 6 Topics Take Test
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Difficulty: All Easy Medium Hard 221–230 of 540
Topics in NEET Zoology
Q.221 Medium Reproductive Health
Which of the following contraceptive methods has the highest failure rate among barrier methods?
A Male condom
B Female condom
C Diaphragm
D Cervical cap
Correct Answer:  C. Diaphragm
EXPLANATION

Diaphragm has a failure rate of 12% with typical use, higher than male condoms (18%) and female condoms (21%) when considering perfect vs typical use. However, among barrier methods, diaphragm shows higher typical-use failure rates.

Test
Q.222 Medium Reproductive Health
During which phase of the menstrual cycle are FSH levels highest?
A Luteal phase
B Menstruation
C Follicular phase
D Post-ovulation
Correct Answer:  C. Follicular phase
EXPLANATION

FSH levels peak during the follicular phase, stimulating follicle development and estrogen production. Levels decline after ovulation.

Test
What is the most common sexually transmitted infection (STI) affecting reproductive health in India as per 2024 data?
A Syphilis
B Chlamydia trachomatis
C Gonorrhea
D HPV
Correct Answer:  D. HPV
EXPLANATION

HPV (Human Papillomavirus) is the most prevalent STI globally and in India, with significant links to cervical cancer and reproductive complications.

Test
Which of the following conditions is associated with anovulation?
A Regular menstrual cycles
B PCOS and hypothyroidism
C High progesterone levels
D Normal FSH levels
Correct Answer:  B. PCOS and hypothyroidism
EXPLANATION

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

Test
In the context of reproductive health, what does 'Comprehensive Sexuality Education' (CSE) aim to achieve?
A Promote sexual activity in teenagers
B Provide factual information about reproductive health, contraception, and safe practices
C Replace parental guidance
D Encourage early marriage
Correct Answer:  B. Provide factual information about reproductive health, contraception, and safe practices
EXPLANATION

CSE provides evidence-based, age-appropriate education about sexual health, contraception, consent, and safety to enable informed decision-making.

Test
Which statutory body in India regulates Assisted Reproductive Technology (ART) services?
A Indian Medical Association
B Indian Council of Medical Research (ICMR)
C Ministry of Health
D National Board of Examinations
Correct Answer:  B. Indian Council of Medical Research (ICMR)
EXPLANATION

ICMR provides guidelines and regulations for ART services in India under the Assisted Reproductive Technology (Regulation) Bill, 2021.

Test
A couple has been trying to conceive for 2 years without success. The male has normal semen analysis. What could be the issue?
A Definitely male infertility
B Likely female infertility (tubal blockage, ovulation disorder, etc.)
C Definitely psychological
D Must be both partners' issue
Correct Answer:  B. Likely female infertility (tubal blockage, ovulation disorder, etc.)
EXPLANATION

With normal male semen analysis, female factors such as tubal obstruction, anovulation, endometriosis, or uterine abnormalities become primary considerations.

Test
Q.228 Medium Reproductive Health
What is the significance of hCG (human Chorionic Gonadotropin) in pregnancy?
A It maintains the corpus luteum to produce progesterone
B It stimulates ovulation
C It causes menstruation
D It develops secondary sexual characters
Correct Answer:  A. It maintains the corpus luteum to produce progesterone
EXPLANATION

hCG, produced by the trophoblast after implantation, maintains the corpus luteum, ensuring continued progesterone production essential for pregnancy maintenance.

Test
Q.229 Medium Reproductive Health
Which of the following is a natural method of family planning?
A Tubal ligation
B Ovulation method (Billings method)
C IUD insertion
D Hormonal implants
Correct Answer:  B. Ovulation method (Billings method)
EXPLANATION

The Billings ovulation method is a natural family planning technique based on observing changes in cervical mucus to identify fertile days.

Test
Q.230 Medium Reproductive Health
A 25-year-old woman has irregular menstrual cycles with heavy bleeding. What could be a likely cause?
A PCOS (Polycystic Ovary Syndrome)
B Perfect ovulation
C Normal hormonal balance
D Pregnancy
Correct Answer:  A. PCOS (Polycystic Ovary Syndrome)
EXPLANATION

PCOS is characterized by irregular cycles, heavy bleeding, and hormonal imbalances. It's a common cause of menstrual irregularities in reproductive-age women.

Test
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