Daily Quiz | Science Series 2026

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

Question 2: The cervix is the narrow opening between the uterus and the:

Oviduct

Vagina

Ovary

Urethra

Question 3: The process of giving birth to a baby is called:

Parturition

Egestion

Fertilization

Osmosis

Question 4: Which of the following is a method of contraception?

Condom

Antibiotic

Dialysis

Insulin injection

Question 5: A contraceptive method that prevents implantation by changing uterine conditions is:

Plaster cast

Stethoscope

IUD (Copper-T)

Nebulizer

Question 6: Which practice helps prevent sexually transmitted infections (STIs)?

Skipping vaccines

Sharing needles

Not washing hands

Using condoms and maintaining hygiene

Question 7: In human reproduction, the stage after zygote that develops in the uterus is the:

Bud

Pollen grain

Spore

Embryo

Question 8: After a few months of development, the embryo is called a:

Pollen

Spore

Fetus

Zygote

Question 9: Which of these is an example of internal fertilization?

Plants using spores

Humans

Most fishes (external)

Frogs (mostly external)

Question 10: The main function of testes is to produce sperms and secrete:

Thyroxine

Testosterone

Insulin

Adrenaline

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

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

Question 13: The stage in which the uterine lining is rebuilt after menstruation (school level) is mainly influenced by:

Pepsin

Urea

Bile

Oestrogen

Question 14: Which event most directly marks the beginning of menstruation in a cycle?

Shedding of uterine lining

Ovulation

Implantation

Fertilization

Question 15: If fertilization occurs, menstruation usually:

Becomes heavier

Happens daily

Stops because uterine lining is maintained

Cannot be affected

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

Question 17: The release of the egg from an ovary is controlled by hormones released from the:

Stomach

Pituitary gland

Kidneys

Lungs

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

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

Question 20: Which structure receives the released ovum from the ovary?

Aorta

Urethra

Fimbriae of fallopian tube

Trachea

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