Science Series 2026 - Biology Human 04 Time Left: 8:00 Question 1: The female reproductive organ where the baby develops is the: Vagina Fallopian tube Ovary Uterus Submit Question 2: The cervix is the narrow opening between the uterus and the: Oviduct Vagina Ovary Urethra Submit Question 3: The process of giving birth to a baby is called: Parturition Egestion Fertilization Osmosis Submit Question 4: Which of the following is a method of contraception? Condom Antibiotic Dialysis Insulin injection Submit Question 5: A contraceptive method that prevents implantation by changing uterine conditions is: Plaster cast Stethoscope IUD (Copper-T) Nebulizer Submit Question 6: Which practice helps prevent sexually transmitted infections (STIs)? Skipping vaccines Sharing needles Not washing hands Using condoms and maintaining hygiene Submit Question 7: In human reproduction, the stage after zygote that develops in the uterus is the: Bud Pollen grain Spore Embryo Submit Question 8: After a few months of development, the embryo is called a: Pollen Spore Fetus Zygote Submit Question 9: Which of these is an example of internal fertilization? Plants using spores Humans Most fishes (external) Frogs (mostly external) Submit Question 10: The main function of testes is to produce sperms and secrete: Thyroxine Testosterone Insulin Adrenaline Submit Question 11: The main function of ovaries is to produce ova and secrete: Oestrogen and progesterone Adrenaline and thyroxine Bile and saliva Insulin and glucagon Submit Question 12: The thick muscular wall of uterus is helpful because it: Stores bile Supports fetus and contracts during childbirth Filters blood Produces digestive enzymes Submit Question 13: The stage in which the uterine lining is rebuilt after menstruation (school level) is mainly influenced by: Pepsin Urea Bile Oestrogen Submit Question 14: Which event most directly marks the beginning of menstruation in a cycle? Shedding of uterine lining Ovulation Implantation Fertilization Submit Question 15: If fertilization occurs, menstruation usually: Becomes heavier Happens daily Stops because uterine lining is maintained Cannot be affected Submit Question 16: Which of these changes at puberty occurs in both boys and girls? Growth of beard Menstruation Increase in height (growth spurt) Start of sperm production only Submit Question 17: The release of the egg from an ovary is controlled by hormones released from the: Stomach Pituitary gland Kidneys Lungs Submit Question 18: In IVF (test-tube baby), fertilization is done: Only inside the fallopian tube Inside the bladder Outside the body in a lab and then embryo is placed in uterus Only inside the mouth Submit Question 19: Semen is a mixture of sperms and secretions from glands such as: Thyroid and pituitary Prostate and seminal vesicles Liver and pancreas Kidney and bladder Submit Question 20: Which structure receives the released ovum from the ovary? Aorta Urethra Fimbriae of fallopian tube Trachea Submit Previous Next
