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» Science Series 2026 - Biology Human 04
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» Science Series 2026 - Biology Human 04
Science Series 2026 - Biology Human 04
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Question 1: The female reproductive organ where the baby develops is the:
Vagina
Fallopian tube
Ovary
Uterus
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Question 2: The cervix is the narrow opening between the uterus and the:
Oviduct
Vagina
Ovary
Urethra
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Question 3: The process of giving birth to a baby is called:
Parturition
Egestion
Fertilization
Osmosis
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Question 4: Which of the following is a method of contraception?
Condom
Antibiotic
Dialysis
Insulin injection
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Question 5: A contraceptive method that prevents implantation by changing uterine conditions is:
Plaster cast
Stethoscope
IUD (Copper-T)
Nebulizer
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Question 6: Which practice helps prevent sexually transmitted infections (STIs)?
Skipping vaccines
Sharing needles
Not washing hands
Using condoms and maintaining hygiene
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Question 7: In human reproduction, the stage after zygote that develops in the uterus is the:
Bud
Pollen grain
Spore
Embryo
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Question 8: After a few months of development, the embryo is called a:
Pollen
Spore
Fetus
Zygote
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Question 9: Which of these is an example of internal fertilization?
Plants using spores
Humans
Most fishes (external)
Frogs (mostly external)
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Question 10: The main function of testes is to produce sperms and secrete:
Thyroxine
Testosterone
Insulin
Adrenaline
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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
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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
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Question 13: The stage in which the uterine lining is rebuilt after menstruation (school level) is mainly influenced by:
Pepsin
Urea
Bile
Oestrogen
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Question 14: Which event most directly marks the beginning of menstruation in a cycle?
Shedding of uterine lining
Ovulation
Implantation
Fertilization
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Question 15: If fertilization occurs, menstruation usually:
Becomes heavier
Happens daily
Stops because uterine lining is maintained
Cannot be affected
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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
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Question 17: The release of the egg from an ovary is controlled by hormones released from the:
Stomach
Pituitary gland
Kidneys
Lungs
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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
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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
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Question 20: Which structure receives the released ovum from the ovary?
Aorta
Urethra
Fimbriae of fallopian tube
Trachea
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