11. When does menstrual flow takes place?
A When ovulation happens
C. When the egg cell stays in the fallopian tube
B. When the egg cell is fertilized
D. When the egg is not fertilized
12. The following statements are suggested good habits to keep our reproductive organs healthy. Which one is nor?
A. Always use public toilets.
C. Change your underwear as often as necessary.
B. Take a bath daily.
D. Eat nutritious food and get adequate rest and sleep.
13. Is it advisable to borrow underwear to a friend? Why or why not?
A. Yes, if she/he really needs it
B. Yes, if my friend can't afford to buy one.
C. No, because it is very expensive.
D. No, because it can cause undesirable organisms to genitals.
14. What part of the male butterfly conveys sperm out from the testis?
A. Accessory gland
C. Vas deferens
B. Seminal Vesicle
D. Ejaculatory duct
15. Why do many organisms produce thousands of offspring?
A To increase survival rate of generations
B. To make sure that there are lots of brothers and sisters
C. To produce food for predators
D. Egg production require very little energy
16. Which organism does not produce an external egg as part of its life cycle?
A. dog
B. parrot
C. turtle D. insect
17. Which of these animals reproduce by external fertilization?
A camel
B. human
D.bats
C. parrot
18. What is reproduction?
A. When parents make offspring.
B. When offspring make adults.
C. When offspring is an exact copy of the adult
D. When offspring is an exact opposite of the adult
19. What part of the female reproductive system produces egg?
A. Oviduct
B. Uterus
C. Ovary D. Vagina
20.What part of the flower produces male sex cells or pollen?
A anthers
B. filament
C. style
D. ovary​