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AP Intermediate 2nd Year Reproduction in Organisms & Plants — practice questions — page 2

Explore 187 free Reproduction in Organisms & Plants questions in AP Intermediate 2nd Year Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Reproduction in Organisms & Plants questions and exercises with answers

Showing questions 31–60 of 187.

Which contraceptive method ALSO prevents sexually transmitted infections?Read the answer and worked solution →Oral contraceptive pills (OCPs) work primarily by:Read the answer and worked solution →Tubectomy is a surgical sterilisation procedure performed on:Read the answer and worked solution →HIV (Human Immunodeficiency Virus) primarily attacks which cells of the immune system?Read the answer and worked solution →The 2021 amendment to the MTP Act extended the upper time-limit for pregnancy termination (for vulnerable categories) from 20 to:Read the answer and worked solution →The temperature of the testis is maintained at:Read the answer and worked solution →Spermatogenesis occurs in the:Read the answer and worked solution →LH surge in the menstrual cycle triggers:Read the answer and worked solution →Estrogen and progesterone are primarily secreted by:Read the answer and worked solution →Fertilisation typically occurs in the:Read the answer and worked solution →Parturition is triggered by which hormone?Read the answer and worked solution →NEET · Bio · Human Reproduction · Hormone to Source GlandRead the answer and worked solution →NEET · Bio · Human Reproduction · Male vs Female Reproductive PartRead the answer and worked solution →NEET · Bio · Human Reproduction · Menstrual Cycle StagesRead the answer and worked solution →NEET · Bio · Human Reproduction · Tap Female HormonesRead the answer and worked solution →NEET · Bio · Human Reproduction · Spermatogenesis StagesRead the answer and worked solution →NEET · Bio · Human Reproduction · Oogenesis StagesRead the answer and worked solution →NEET · Bio · Human Reproduction · Fertilisation Term — Gap FillRead the answer and worked solution →NEET · Bio · Human Reproduction · Placenta FunctionRead the answer and worked solution →NEET · Bio · Human Reproduction · Tap Male-Only StructuresRead the answer and worked solution →NEET · Bio · Human Reproduction · Sperm Structure PartsRead the answer and worked solution →NEET · Bio · Human Reproduction · Embryonic Development OrderRead the answer and worked solution →NEET · Bio · Human Reproduction · Hormone Role in PregnancyRead the answer and worked solution →NEET · Bio · Human Reproduction · Number of ChromosomesRead the answer and worked solution →NEET · Bio · Human Reproduction · Birth Hormone — Gap FillRead the answer and worked solution →NEET · Bio · Human Reproduction · Tap Things That Cross PlacentaRead the answer and worked solution →NEET · Bio · Human Reproduction · Hormone Cycle — PairRead the answer and worked solution →NEET · Bio · Human Reproduction · Uterus RegionRead the answer and worked solution →NEET · Bio · Human Reproduction · Implantation Term — Gap FillRead the answer and worked solution →NEET · Bio · Human Reproduction · Reproductive Term — TypingRead the answer and worked solution →

Worked practice questions

Which contraceptive method ALSO prevents sexually transmitted infections?

  1. Oral contraceptive pills
  2. Intrauterine devices like copper-T
  3. Surgical sterilisation
  4. Condoms (barrier method)
Show answer and solution

Correct answer: D. Condoms (barrier method)

Condoms are the ONLY contraceptive that prevents both pregnancy and STIs (including HIV, gonorrhea, syphilis). Other methods prevent pregnancy but offer no STI protection.

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Oral contraceptive pills (OCPs) work primarily by:

  1. Killing the sperm before they reach the egg
  2. Preventing ovulation through hormonal feedback
  3. Permanently sterilising the female reproductive system
  4. Preventing the embryo from implanting by acidifying the uterus
Show answer and solution

Correct answer: B. Preventing ovulation through hormonal feedback

OCPs contain synthetic estrogen + progestin which inhibit GnRH, FSH, LH → prevent ovulation. They also thicken cervical mucus and thin the uterine lining, but the primary mechanism is preventing ovulation.

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Tubectomy is a surgical sterilisation procedure performed on:

  1. The vas deferens of males
  2. The ovaries of females
  3. The fallopian tubes of females
  4. The uterus of females
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Correct answer: C. The fallopian tubes of females

**TUBECTOMY:** fallopian tubes (oviducts) of females are cut and tied/sealed, preventing the egg from reaching the uterus. VASECTOMY is the analogous male procedure on the vas deferens.

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