NEET Biology – 5 MCQ Tests 5 Tests • 20 Questions Each

Biology – 5 MCQ Tests

5 Tests • 20 Questions Each • Correct answers appear after submission

TEST 1

20 Questions • 20 Marks

Biology – Human Reproduction & Reproductive Health

Q1. Which cells play an important role in sperm formation?

A. Sertoli cells B. Leydig cells C. Red blood cells D. Platelets

Q2. Which cells produce androgen-binding protein (ABP) in males?

A. Sertoli cells B. Leydig cells C. Hypothalamic cells D. Prostate cells

Q3. Which cells secrete the male sex hormone testosterone?

A. Sertoli cells B. Leydig cells C. Spermatogonia D. Cervical cells

Q4. Where do sperm undergo maturation?

A. Epididymis B. Prostate C. Urinary bladder D. Vas deferens

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Q5. Which enzyme-rich structure is present at the head of a human sperm?

A. Acrosome B. Centriole C. Mitochondria D. Nucleolus

Q6. What is present in large numbers in the middle piece of a sperm?

A. Mitochondria B. Ribosomes C. Golgi bodies D. Lysosomes

Q7. Which organ produces the female gamete?

A. Uterus B. Ovary C. Cervix D. Vagina

Q8. Where does fertilisation normally occur in humans?

A. Uterus B. Ovary C. Fallopian tube D. Vagina

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Q9. Which hormone mainly triggers ovulation?

A. FSH B. LH C. Prolactin D. Oxytocin

Q10. Which hormone is especially important during the follicular phase of the menstrual cycle?

A. FSH B. Oxytocin C. Prolactin D. hCG

Q11. What is the sudden rise in LH before ovulation called?

A. LH surge B. FSH block C. hCG surge D. Prolactin peak

Q12. Which hormone is mainly secreted by the corpus luteum after ovulation?

A. Progesterone B. FSH C. LH D. hCG

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Q13. Which hormone helps maintain the endometrium?

A. Progesterone B. FSH C. GnRH D. Oxytocin

Q14. A fall in estrogen and progesterone before menstruation is associated with what?

A. Degeneration of the corpus luteum B. Ovulation C. Fertilisation D. Implantation

Q15. What is the attachment of the fertilised egg to the uterine wall called?

A. Implantation B. Ovulation C. Spermiation D. Capacitation

Q16. What is the solid ball of cells formed during early embryonic development called?

A. Morula B. Gamete C. Zygote D. Corpus luteum

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Q17. Which embryonic stage follows the morula stage?

A. Blastocyst B. Spermatid C. Oocyte D. Cervix

Q18. Which structure is important for exchange of materials between the mother and embryo?

A. Placenta B. Appendix C. Prostate D. Thymus

Q19. Which fluid surrounds and protects the embryo?

A. Amniotic fluid B. Bile C. Cerebrospinal fluid D. Synovial fluid

Q20. Which hormone is important for maintaining pregnancy?

A. Progesterone B. FSH C. GnRH D. Melatonin

TEST 2

20 Questions • 20 Marks

Biology – Human Reproduction & Reproductive Health

Q1. What is the average duration of human pregnancy?

A. 180 days B. 220 days C. 280 days D. 365 days

Q2. During which period does development of the embryonic heart begin?

A. First week B. Second week C. Third week D. Tenth week

Q3. What is the first milk secreted after childbirth called?

A. Colostrum B. Lactose C. Serum D. Plasma

Q4. Which immunoglobulin is abundant in colostrum?

A. IgA B. IgE C. IgD D. IgM

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Q5. Which hormone stimulates milk production?

A. Prolactin B. Oxytocin C. LH D. FSH

Q6. Which hormone causes milk ejection?

A. Oxytocin B. Prolactin C. FSH D. hCG

Q7. Which hormone promotes uterine contractions during childbirth?

A. Oxytocin B. FSH C. Estrogen only D. hCG

Q8. What is the natural absence of menstruation during breastfeeding called?

A. Lactational amenorrhea B. Dysmenorrhea C. Menorrhagia D. Hirsutism

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12th Answers – Study Purpose

Q9. What is the absence of menstruation called?

A. Amenorrhea B. Menorrhagia C. Dysmenorrhea D. Metrorrhagia

Q10. What is excessive growth of hair in women called?

A. Hirsutism B. Amenorrhea C. Mastitis D. Endometriosis

Q11. Breast development in females normally begins during which stage?

A. Puberty B. Old age C. The final day of pregnancy D. Menopause

Q12. The greater vestibular glands are commonly called what?

A. Bartholin's glands B. Skene's glands C. Thyroid glands D. Adrenal glands

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Q13. Which structure is considered analogous to the prostate in females?

A. Bartholin's glands B. Mammary glands C. Thymus D. Pituitary gland

Q14. Which is a part of the female external genitalia?

A. Vulva B. Vas deferens C. Prostate D. Epididymis

Q15. Where does the developing oocyte mature?

A. Follicle B. Sertoli tubule C. Seminal vesicle D. Prostate

Q16. Which is the main muscular layer of the uterus?

A. Myometrium B. Endometrium C. Perimetrium D. Acrosome

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Q17. Which is the inner lining of the uterus?

A. Endometrium B. Myometrium C. Perimetrium D. Chorion

Q18. Which is the outer covering of the uterus?

A. Perimetrium B. Endometrium C. Myometrium D. Amnion

Q19. Which embryonic outer layer contributes significantly to placenta formation?

A. Trophoblast B. Hypoblast C. Endometrium D. Myometrium

Q20. Which fetal membrane surrounds the amniotic fluid?

A. Amnion B. Acrosome C. Vas deferens D. Prostate

TEST 3

20 Questions • 20 Marks

Biology – Human Reproduction & Reproductive Health

Q1. Which type of asexual reproduction commonly occurs in bacteria?

A. Binary fission B. Budding C. Conjugation D. Parthenogenesis

Q2. Which type of reproduction generally produces greater genetic variation?

A. Sexual reproduction B. Asexual reproduction C. Binary fission D. Budding

Q3. What type of parthenogenesis produces male honeybees?

A. Arrhenotoky B. Thelytoky C. Amphitoky D. Binary fission

Q4. Development of an embryo without fertilisation is called what?

A. Parthenogenesis B. Implantation C. Fertilisation D. Gastrulation

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Q5. What is the complete process of sperm formation called?

A. Spermatogenesis B. Oogenesis C. Ovulation D. Implantation

Q6. What is the process of female gamete formation called?

A. Oogenesis B. Spermiation C. Capacitation D. Ejaculation

Q7. Primary spermatocytes produce secondary spermatocytes through which division?

A. Meiosis I B. Meiosis II C. Mitosis D. Binary fission

Q8. Secondary spermatocytes produce spermatids through which division?

A. Meiosis II B. Meiosis I C. Mitosis D. Budding

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Q9. The transformation of spermatids into spermatozoa is called what?

A. Spermiogenesis B. Spermiation C. Ovulation D. Implantation

Q10. The release of mature spermatozoa into the lumen of seminiferous tubules is called what?

A. Spermiation B. Spermiogenesis C. Oogenesis D. Capacitation

Q11. Which tubules produce sperm?

A. Seminiferous tubules B. Fallopian tubes C. Cervical canal D. Eustachian tube

Q12. Which structure helps keep the temperature of the testes below body temperature?

A. Scrotum B. Prostate C. Urinary bladder D. Cervix

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Q13. What is the main function of the tail of a human sperm?

A. Movement B. Hormone secretion C. DNA replication D. Protein digestion

Q14. Which structure is mainly responsible for sperm motility?

A. Flagellum B. Acrosome C. Nucleolus D. Golgi body

Q15. Which sperm structure helps penetrate the outer layer of the ovum?

A. Acrosome B. Middle piece C. Tail D. Centriole

Q16. What is mainly present in the head of a sperm?

A. Nucleus B. Large number of mitochondria C. Fat droplets D. Vacuole

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Q17. What is the major function of Sertoli cells?

A. Supporting developing germ cells B. Secreting only testosterone C. Producing bile D. Storing urine

Q18. What is the major function of Leydig cells?

A. Secreting androgens B. Nourishing sperm C. Producing amniotic fluid D. Secreting progesterone

Q19. GnRH in males primarily stimulates which gland?

A. Anterior pituitary B. Thyroid C. Adrenal gland D. Prostate

Q20. Which gonadotropin from the anterior pituitary supports spermatogenesis?

A. FSH B. hCG C. Oxytocin D. Prolactin

TEST 4

20 Questions • 20 Marks

Biology – Human Reproduction & Reproductive Health

Q1. In females, GnRH controls the secretion of which hormones?

A. FSH and LH B. hCG and IgA C. Prolactin and oxytocin D. Estrogen and hCG only

Q2. What does LH mainly trigger in females?

A. Ovulation B. Milk production C. Fetal heartbeat D. Colostrum formation

Q3. What does FSH mainly stimulate in females?

A. Follicle development B. Labour pain C. Milk ejection D. Implantation

Q4. Which hormone helps identify early pregnancy?

A. hCG B. FSH C. LH D. GnRH

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Q5. During early pregnancy, hCG helps maintain which structure?

A. Corpus luteum B. Acrosome C. Epididymis D. Sertoli cells

Q6. What is the first cellular stage formed after fertilisation?

A. Zygote B. Morula C. Blastocyst D. Gamete

Q7. Fertilisation is the fusion of which two gametes?

A. Sperm and ovum B. Two sperm C. Two ova D. Sertoli and Leydig cells

Q8. After fertilisation, the early embryo normally moves toward which organ?

A. Uterus B. Ovary C. Cervix only D. Vagina

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NEET English Medium

Q9. The early cleavage divisions of a fertilised egg are mainly what type of cell division?

A. Mitosis B. Meiosis I C. Meiosis II D. Binary fission

Q10. Which is the outer cell layer of a blastocyst?

A. Trophoblast B. Inner cell mass C. Sertoli cells D. Leydig cells

Q11. Which part of the blastocyst forms most of the embryo proper?

A. Inner cell mass B. Trophoblast only C. Acrosome D. Corpus luteum

Q12. Which structure is important for oxygen and nutrient exchange between mother and embryo?

A. Placenta B. Prostate C. Epididymis D. Acrosome

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Q13. The placenta temporarily functions as which type of organ?

A. Endocrine organ B. Nervous organ C. Bone D. Respiratory organ

Q14. Which structure transfers fetal waste products toward the mother's blood for elimination?

A. Placenta B. Prostate C. Ovary D. Cervix

Q15. The fluid surrounding the fetus is contained within which membrane?

A. Amnion B. Acrosome C. Prostate D. Scrotum

Q16. What is one major function of amniotic fluid?

A. Protecting the fetus from mechanical shocks B. Producing sperm C. Secreting LH D. Starting menstruation

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12th Answers – Study Purpose

Q17. Which hormone increases uterine contractions during labour?

A. Oxytocin B. FSH C. hCG D. IgA

Q18. Which component of breast milk provides important immune protection to a newborn?

A. IgA B. IgD C. IgE D. IgM only

Q19. Which breast-milk component helps protect the infant's digestive tract against bacteria?

A. IgA B. FSH C. LH D. hCG

Q20. Which glands produce milk?

A. Mammary glands B. Bartholin's glands C. Prostate D. Sebaceous glands

TEST 5

20 Questions • 20 Marks

Biology – Human Reproduction & Reproductive Health

Q1. Combined oral contraceptive pills mainly suppress which hormones to prevent ovulation?

A. FSH and LH B. hCG and IgA C. Oxytocin and IgM D. TSH and ADH

Q2. What do oral hormonal contraceptive pills generally prevent?

A. Ovulation B. Sperm production only C. Fetal heartbeat D. Milk ejection

Q3. What does IUD stand for?

A. Intrauterine Device B. Internal Uterine Drug C. Intra Umbilical Device D. Intra Urinary Device

Q4. Lippes Loop is an example of which contraceptive method?

A. IUD B. Oral pill C. Condom D. Contraceptive injection

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Q5. Multiload-375 belongs to which contraceptive category?

A. IUD B. Oral contraceptive C. Surgical method D. Natural method

Q6. Condoms are based on which basic contraceptive method?

A. Barrier method B. Hormonal method C. Surgical method only D. Parthenogenesis

Q7. What is the main purpose of a condom?

A. Prevent sperm from entering the female reproductive tract B. Increase FSH C. Trigger ovulation D. Produce hCG

Q8. Avoiding intercourse during the fertile period is the basis of which natural contraceptive method?

A. Periodic abstinence B. IUD C. Vasectomy D. Tubectomy

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12th Physics Test Papers

Q9. Preventing the fusion of sperm and ovum directly aims to prevent what?

A. Fertilisation B. Labour C. Milk production D. Implantation increase

Q10. In ZIFT, what is transferred into the fallopian tube?

A. Zygote or early embryo B. Fully developed fetus C. Newborn baby D. Mature sperm only

Q11. In GIFT, what is generally transferred into the fallopian tube?

A. Gametes B. Fully developed embryo C. Placenta D. Breast secretion

Q12. What does IVF stand for?

A. In Vitro Fertilisation B. In Vivo Fetal Growth C. Internal Vaginal Fertilisation D. In Vitro Follicle Growth

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12th Chemistry Test Papers

Q13. Which bacterium causes syphilis?

A. Treponema pallidum B. Neisseria gonorrhoeae C. Candida albicans D. Trichomonas vaginalis

Q14. Gonorrhoea is caused by which type of pathogen?

A. Bacterium B. Virus C. Fungus D. Protozoan

Q15. Which organism causes trichomoniasis?

A. Trichomonas vaginalis B. Treponema pallidum C. HIV D. Candida albicans

Q16. Candidiasis is associated with which type of pathogen?

A. Fungus B. Bacterium C. Virus D. Protozoan only

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12th Biology Test Papers

Q17. Which virus causes AIDS?

A. HIV B. HBV C. HPV D. HSV

Q18. Pap smear is mainly used to screen for which condition?

A. Cervical cancerous changes B. Prostate cancer C. Testicular cancer only D. Liver cancer

Q19. A mammogram is mainly used for screening which condition?

A. Breast cancer B. Cervical cancer C. Prostate disease D. Sperm count

Q20. Which barrier method can help reduce the risk of sexually transmitted infections?

A. Condom B. IUD only C. Calendar method only D. Progesterone only

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